Form 8-K

8-K — Context Therapeutics Inc.

Accession: 0001628280-26-043042

Filed: 2026-06-15

Period: 2026-06-15

CIK: 0001842952

SIC: 2834 (PHARMACEUTICAL PREPARATIONS)

Item: Regulation FD Disclosure

Item: Other Events

Item: Financial Statements and Exhibits

Documents

8-K — cntx-20260615.htm (Primary)

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8-K

8-K (Primary)

Filename: cntx-20260615.htm · Sequence: 1

cntx-20260615

0001842952FALSE00018429522026-06-152026-06-15

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 15, 2026

Context Therapeutics Inc.

(Exact name of registrant as specified in its charter)

Delaware 001-40654

86-3738787

(State of other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.)

2001 Market Street, Suite 3915, Unit #15

Philadelphia, Pennsylvania 19103

(Address of principal executive offices including zip code)

(267) 225-7416

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐        Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐        Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐        Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐        Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Title of each class

Trading

Symbol Name of exchange

on which registered

Common Stock CNTX The Nasdaq Stock Market

$0.001 par value per share

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01.     Regulation FD Disclosure.

On June 15, 2026, Context Therapeutics Inc. (the “Company”) posted an updated corporate presentation on its website at www.contexttherapeutics.com. A copy of the presentation is filed as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference into this Item 7.01.

The information in this Item 7.01, and Exhibit 99.1 attached hereto, are being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 8.01.     Other Events.

On June 15, 2026, the Company issued a press release announcing positive interim efficacy and safety results from its ongoing Phase 1 clinical trial for CTIM-76, the Company’s investigational Claudin 6 x CD3 T cell engaging bispecific antibody. A copy of the press release is filed as Exhibit 99.2 to this Current Report on Form 8-K and incorporated herein by reference into this Item 8.01.

On June 15, 2026, the Company also hosted a conference call to discuss the interim CTIM-76 Phase 1 clinical trial data. A copy of the presentation used during the conference call is filed as Exhibit 99.3 to this Current Report on Form 8-K and incorporated herein by reference into this Item 8.01.

Item 9.01. Exhibits.

(d) Exhibits

Exhibit No.    Description

99.1    Context Therapeutics Inc. Corporate Presentation — June 2026

99.2    Press Release issued by Context Therapeutics Inc., dated June 15, 2026

99.3    Context Therapeutics Inc. Phase 1 Interim Results Presentation, dated June 15, 2026

104    Cover Page Interactive Data File (embedded within the inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: June 15, 2026 Context Therapeutics Inc.

By: /s/ Martin A. Lehr

Name: Martin A. Lehr

Title: Chief Executive Officer

EX-99.1

EX-99.1

Filename: a2026june-contextxcorpde.htm · Sequence: 2

a2026june-contextxcorpde

June 2026 Corporate Presentation Advancing T Cell Engagers for Solid Tumors

Important Notice and Disclaimers This presentation contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact, including statements regarding the Company’s strategy, future operations, prospects, and plans and objectives of management, are forward-looking statements. These statements may be identified by words such as “may,” “will,” “expect,” “believe,” “could,” “estimate,” “potential,” “anticipate,” “look forward,” “plan,” “intend,” and similar expressions. Forward-looking statements in this presentation include, without limitation, statements regarding (i) the Company’s business strategy, cash flows, cash runway and funding status, (ii) potential growth opportunities, (iii) clinical development activities, (iv) the timing and results of preclinical research, clinical trials and potential regulatory approval and commercialization of product candidates, (v) estimates of potential market size and opportunity, and (vi) other non-historical statements. These forward-looking statements involve substantial risks and uncertainties that could cause actual results to differ materially from those expressed or implied, and the Company cannot assure that its plans, intentions, expectations, or strategies will be achieved. These risks and uncertainties include, without limitation: (i) uncertainties regarding the Company’s expectations, projections, and estimates of future costs and expenses, capital requirements, the availability of additional financing and the Company’s capital requirements; (ii) the timing, progress, and results of the Company’s discovery, preclinical and clinical development activities; (iii) clinical trial site activation and enrollment; (iv) unexpected safety or efficacy data observed during preclinical studies or clinical trials; (v) the risk that results from nonclinical or clinical studies may not be predictive of future results, and that interim data are subject to further analysis; (vi) uncertainties related to the regulatory approval process; (vii) the Company’s reliance on third parties; (viii) macroeconomic conditions; and (ix) whether the Company has sufficient funding to meet future operating expenses and capital expenditure requirements. Additional factors that may cause actual results to differ materially from those expressed or implied in the forward-looking statements in this presentation are described under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, as filed with the U.S. Securities and Exchange Commission (the “SEC”), and in the Company’s other filings with the SEC, including future reports. Except as required by law, the Company undertakes no obligation to update or revise any forward- looking statements, which speak only as of the date of this presentation, whether as a result of new information, future events or otherwise. Certain information contained in this presentation relates to or is based on studies, publications, surveys and other data obtained from third-party sources and the Company's own internal estimates and research. While the Company believes these third-party sources to be reliable as of the date of this presentation, it has not independently verified any information obtained from third- party sources. In addition, all of the market data included in this presentation involves a number of assumptions and limitations. References in this presentation to research reports or to articles and publications should not be construed as depicting the complete findings of the entire referenced report or article. This presentation discusses product candidates that are under preclinical and clinical study, and which have not yet been approved for marketing by the U.S. Food and Drug Administration. No representation is made as to the safety or effectiveness of these product candidates for the use for which such product candidates are being studied. While the Company believes its internal research is reliable, such research has not been verified by any independent source. All the scientific, preclinical and clinical data presented within this presentation are – by definition prior to completion of the clinical trial and a clinical study report – preliminary in nature and subject to further quality checks including customary source data verification. The trademarks included herein are the property of the owners thereof and are used for reference purposes only. Such use should not be construed as an endorsement of such products. Forward Looking Statement Executive Summary Context Therapeutics Inc. - June 20262

Building a Leading T cell Engager (TCE) Pipeline Executive Summary Strategy Developing potentially best-in-class TCE for solid tumors • Tumor antigens that are clinically validated by antibody drug conjugates (ADC) or chimeric antigen receptor T cell therapy (CAR-T) • Limited or weak competition addressing large market opportunities • High affinity CD3 to maximize solid tumor response Pipeline CTIM-76: Claudin 6 (CLDN6) x CD3 bispecific antibody • CLDN6 is overexpressed in ovarian, endometrial, lung, testicular, and other solid tumors • CTIM-76 was designed to bind selectively to CLDN6 over similar claudin family members, including CLDN3/4/9 CT-95: Mesothelin (MSLN) x CD3 bispecific antibody • MSLN is overexpressed in pancreatic, lung, colorectal, and other solid tumors • CT-95 was designed to bind selectively to membrane-bound MSLN to enhance drug exposure and activity CT-202: Nectin-4 x CD3 bispecific antibody • Nectin-4 is overexpressed in bladder, lung, breast, colorectal, and other solid tumors • CT-202 was designed to be conditionally active within the tumor microenvironment Capitalization Strong financial position with high quality investor base • Expected cash runway into mid-2027 Context Therapeutics Inc. - June 20263

Executive Summary Pipeline Overview 4 PROGRAM TARGET ADDRESSABLE MARKET (U.S. ONLY) PRECLINICAL PHASE 1 PHASE 2 ANTICIPATED MILESTONES CTIM-76 Claudin 6 (CLDN6) > 50,000 patients Q4 2026: QW updated data Q2 2027: Q3W dosing data CT-95 Mesothelin (MSLN) > 100,000 patients Sept 2026: Preliminary Ph 1a data CT-202 Nectin-4 > 125,000 patients Q3 2026: Ph 1 FPI CTIM-76: CLDN6 x CD3 CT-95: MSLN x CD3 Product differentiation: highly selective for CLDN6 over CLDN3/4/9 Safety: potent CD3 induction without broad cytokine activation Potential Indications: ovarian, endometrial, lung α-CLDN6 Fab α-CD3 scFv α-MSLN Fab α-CD3 scFv CT-202: Nectin-4 x CD3 Product differentiation: avidity optimized to avoid mesothelin (MSLN) fragments Safety: sterically hindered CD3 to avoid T cell crosslinking Potential Indications: lung, pancreatic, ovarian, colorectal Product differentiation: conditionally activate in the tumor microenvironment Safety: sterically hindered CD3 to avoid T cell crosslinking Potential Indications: bladder, colorectal, breast, lung α-Nectin-4 Fab α-CD3 scFv Context Therapeutics Inc. - June 2026 Addressable market is the estimated patient population derived from tumor antigen positive population multiplied by Relapsed/Refractory (R/R) incident population.

Context is Positioned to Develop the Next Generation of Transformative T Cell Engagers Potential to expand into early treatment lines through synergistic drug combinations Executive Summary Context Therapeutics Inc. - June 20265 Synergistic Combination ApproachesOptimized Novel Monotherapies CTIM-76 CT-95 CT-202 Bispecific TCE Engineered for: Potential Opportunities for: • Best-in-class efficacy • Reduced risk of CRS • Target selectivity • Pharmacokinetics • Complementary mechanisms to enhance activity • Improved safety due to non-overlapping toxicities • Synergistic immunologic effects TCE + ADC TCE + PD-1xVEGF + +

T Cell Engager Strategy Context Therapeut ics Inc . - June 20266

T Cell Engaging (TCE) Bispecific Antibodies T Cell Engager Strategy Context Therapeutics Inc. - June 20267 Mechanism of Action T-cell engagers (TCEs) are bispecific antibodies designed to redirect cytotoxic T lymphocytes toward malignant cells. These molecules simultaneously bind to a tumor-associated antigen on the cancer cell and to CD3, a component of the T-cell receptor complex. This dual engagement facilitates T-cell activation, immune synapse formation, and targeted cytolysis of tumor cells. TCE-mediated Cancer Cell Death TCE Bispecific Antibody T Cell Cancer Cell Target Antigen CD3 Cancer Cell Killing

10 FDA Approvals for TCE for Solid and Liquid Tumors Recently approved TCE have had strong initial commercial launches T Cell Engager Strategy Context Therapeutics Inc. - June 20268 2024202320222014 2025 Product Target 2025 Revenue1 Blincyto CD19 x CD3 $1,559 million Tecvayli BCMA x CD3 $670 million Imdelltra DLL3 x CD3 $627 million Talvey GPRC5D x CD3 $463 million Epkinly CD20 x CD3 $468 million Kimmtrak Gp100 x CD3 $400 million Columvi CD20 x CD3 $375 million Lunsumio CD20 x CD3 $168 million 1 Information from 2025 earnings filings and other public disclosures. Information provided is for illustrative purposes only and is not indicative of future performance.

TCE Success in Solid Tumors Asset Tarlatamab (AMG757) HPN328 QLS31905 IBI389 VIR-5500 JANX007 JNJ-78278343 Xaluritamig (AMG509) Ubamatamab (REGN4018) Target x Effector DLL3 x CD3 DLL3 x CD3 CLDN18.2 x CD3 CLDN18.2 x CD3 PSMA x CD3 PSMA x CD3 KLK2 x CD3 STEAP1 x CD3 MUC16 x CD3 Cancer Indication Small Cell Lung Small Cell Lung Pancreatic Pancreatic Prostate Prostate Prostate Prostate Ovarian Patients (n) 100 73 12 27 11 8 33 21 13 Efficacy ORR: 40% PFS: 4.9 mos. ORR: 55% DoR: 10.8 mos. ORR: 25% PFS: 3.9 mos. ORR: 38% PSA50: 100% ORR: 36% PFS: ~6 mos. PSA50: 100% ORR: 13% PFS: 7.9 mos. PSA50: 42% ORR: 8% PFS: 7.9 mos. PSA50: 50% ORR: 20% PFS: 7.8 mos. ORR: 31% Grade ≥ 3 CRS 1% 1% 3% 0% 2% 8% 0% 2% 0% Reference Ahn 2023 ESMO 2025 ASCO 2025 ASCO 2024 ASCO GU 2026 Dec 2025 data cutoff ASCO 2025 ESMO 2024 ESMO 2022 T Cell Engager Strategy Context Therapeutics Inc. - June 20269 Information provided in the table above as of March 1, 2026. Information provided is for illustrative purposes only and is not a head-to-head comparison. Differences exist between study or trial designs and subject characteristics, and caution should be exercised when comparing data across studies. TCE efficacy in cold tumors with a low rate of cytokine release syndrome (CRS)

CTIM-76 CLDN6 x CD3 bispecific antibody Context Therapeut ics Inc . - June 202610

CLDN6 Therapies Have the Potential to Reach a Large Patient Population >50,000 patients per year in the United States in Relapse/Refractory (R/R) Setting CTIM-76 Program 11 Context Therapeutics Inc. - June 2026 Initial indications of interest based on: • CLDN6 prevalence • Patient population size • CLDN6 target validation Selected Cancer indications Incidence (US Only) R/R Incidence CLDN6 Positive CLDN6 Med/High Patient Population Based on R/R Incidence Ovarian 21,010 19,500 75%1 35%1 14,625 Endometrial 68,270 17,000 50%1 22%1 8,500 Testicular 9,810 750 100%3 >95%3 750 Non-Small Cell Lung 199,586 122,500 26%2 6%2 31,850 Colon 158,850 36,600 43%3 0%3 15,738 Breast 321,910 66,000 40%3 0%3 26,400 1 Context internal Phase 1 data; 2 Context internal biopsy prevalence screen data; 3 Mackensen, Nature Medicine, 2023. Incidences based on public estimates; Relapsed/refractory (R/R) or last-line patient population approximated by annual mortality; CLDN6 target prevalence is based on IHC or RNAseq from published reports. Patient population derived from midpoint of CLDN6 positive population multiplied by R/R incident population.

CLDN6 is an Attractive Target for Immunotherapy • CLDN6 is an oncofetal protein. Normally present at higher levels during embryonic development • Turned off or have low levels of expression in adult tissues • Expression increases with cancer disease stage • Tetraspan protein; does not readily internalize CTIM-76 Program Context Therapeutics Inc. - June 202612 CLDN6 is an Ideal TCE Target 1 Screnci, Cancer Res, 2022; 2 Tanaka, J Hepatol, 2018; 3 Cordat, Physiology, 2019; Li, FEBS Open Bio, 2020 CLDN6 selectivity is required to avoid off-target liabilities The CLDN6 antibody binding region is highly conserved with CLDN3 and CLDN4 – differing by only 3 amino acids1 CLDN3 and CLDN4 are enriched in the liver and antibody binding may result in liver enzyme elevations2,3 Avoiding CLDN3 and CLDN4 is a Critical Safety Determinant CLDN6 Protein Claudin Gene Family Extracellular Space Cytoplasm Antibody Binding Domain CLDN9 CLDN6 CLDN4 CLDN3 CLDN5 CLDN8 CLDN17 CLDN2 CLDN14 CLDN20 CLDN7 CLDN1 CLDN19 CLDN34 CLDN12 CLDN23 CLDN16 CLDN24 CLDN22 CLDN15 CLDN18 CLDN11 CLDN15 CLDN10

CTIM-76: Claudin 6 x CD3 T cell Engaging (TCE) Bispecific Antibody Optimized structure for CLDN6 selectivity, potency, and manufacturability • Highly selective CLDN6 binding fragment antibody-binding (Fab) arm • Immunostimulatory CD3 binding single-chain fragment variable (scFv) domain is functionally monovalent to avoid aberrant T cell activation • Silenced Fc domain to avoid off target immune cell activation Potentially wide therapeutic window • T cell dependent cellular cytotoxicity with no or minimal activation of circulating cytokines • Humanized CLDN6 and CD3 binding domains Ease of manufacturing • IgG1 backbone is highly stable and enables high yield CTIM-76 Program Context Therapeutics Inc. - June 202613 α-CLDN6 Fab α-CD3 scFv IgG1 backbone Silenced Fc

Positive Phase 1a Clinical Data Observed for CTIM-76 CTIM-76 has been granted FDA Fast Track Designation CTIM-76 Program Context Therapeutics Inc. - June 202614 Pan-PROC Target Clinical Activity in Late Line PROC 7 (5-16) prior lines of therapy Low Rate of CRS in PROC ~75% of platinum resistant ovarian cancer (PROC) patients are CLDN6+ Potential for Rapid Clinical Enrollment 29% confirmed ORR 57% confirmed DCR 66% of patients on therapy Potential to Address ADC Resistance in PROC 11% Grade 1 CRS at target dose levels Potential for Outpatient Dosing CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. RECIST-evaluable PROC population (n=9 patients at target doses) is defined as having measurable disease documented at baseline according to RECIST v1.1 criteria and at least one follow-up tumor assessment after a full cycle of treatment. Disease Control Rate: Patients achieving confirmed stable disease, partial response, or complete response. Data as of May 29, 2026

Significant Market Opportunity in High Unmet Need CLDN6+ Post-ADC PROC • ~75% of PROC patients are CLDN6+ • No approved treatment option specifically for this biomarker selected PROC population • ~42,000 CLDN6+ PROC patients globally (US, EU7, JP) • CLDN6 has significant target overlap with promising ADC targets, including FRα, CDH6, NaPi2b – opening the door to potential combination opportunities • Additional opportunities in earlier lines of ovarian cancer and other tumor types with CLDN6 overexpression, including non-small cell lung (NSCLC) and endometrial cancer CTIM-76 Program Context Therapeutics Inc. - June 202615 Broad Use Case as Monotherapy or Combination Potential Opportunities for: • Monotherapy development post-ADC • Combination development with ADC, VEGF, or chemotherapy CTIM-76 + ADC + CTIM-76 Patient population based on multiplying NIH SEER 2026 ovarian cancer estimates in United States and prevalence estimates for EU7 and Japan by ~80% of all PROC (based on internal data)

CTIM-76 Phase 1a Dose Escalation Trial Target population • Ovarian, endometrial and testicular cancer relapsed to standard of care (all comers) • CLDN6+ positive via IHC (≥10% 1+ staining) Trial objectives • Assess safety and tolerability • Pharmacokinetic and pharmacodynamic data • Evaluate preliminary anti-tumor activity Dosing and Administration • Step dosing • Pretreat patients with 16 mg dexamethasone 1 hour prior to C1D1 and C1D8 doses CTIM-76 Program Path to the identification of optimal prime dose, full dose, and dosing schedule CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026 22.5  70 µg (n=3) 70  140 µg (n=4) 22.5 µg (n=1) 140  280 µg (n=4) 140  560 µg (n=4) cohorts at predicted sub-therapeutic doses 70  210 µg (n= 5) 70  280 µg (n=3-12) 70  420 µg (n=3-12) 2H 2026 evaluating Q3W dosing in ovarian patients exceeded target exposure 70  TBD µg (n=3-12) 16 Context Therapeutics Inc. - June 2026 Dose Level 1 Dose Level 2 Dose Level 3 Dose Level 4 Dose Level 5 Dose Level 3a QW dose escalation (n=21)

CTIM-76 Exhibits Compelling Pharmacokinetic (PK) Properties CTIM-76 Program Context Therapeutics Inc. - June 202617 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. 1 Pasritamig: Autio ESMO 2025 . Q3W = every three weeks. 210 and 280µg doses displayed optimal PK properties, including Cmax below target saturation (EC90) and Cmin above activity threshold (EC50) 560µg resulted in target saturation and was associated with rapid T cell exhaustion Weekly Dosing (QW) Reducing TCE dose frequency has been shown to reduce T cell exhaustion, resulting in improved treatment response and durability1 Q3W dosing of CTIM-76 may optimize T cell activation and recovery through on/off cycling Every Three Week (Q3W) PK Simulation On Off EC50 EC90 EC50 EC90

Patient Demographics at Target Doses of 140 to 280 µg CTIM-76 evaluated in heavily pre-treated patients with high tumor burden CTIM-76 Program Context Therapeutics Inc. - June 202618 Baseline Characteristics All Comers N 13 Age, n (range) 61 (29-72) ECOG, n (range) 1 (0-1) Ovarian, n (%) 9 (69) Testicular, n (%) 3 (23) Endometrial, n (%) 1 (8) Prior therapies, median (range) 6 (3-16) 1, n (%) 0 (0) 2 0 (0) 3 3 (23) 4 1 (7) ≥5 9 (69) Baseline Characteristics Ovarian N 9 Age, n (range) 63 (53-74) ECOG, n (range) 0 (0-1) Sum of longest dimension (mm) 71 (39-114) Liver metastases, n (%) 4 (44) H-Score, median (range) 145 (25-300) Prior therapies, median (range) 7 (5-16) Checkpoint Inhibitor, n (%) 5 (55) ADC 8 (89) DNA Repair 7 (78) VEGF 9 (100) CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. ADC = antibody drug conjugate; DNA Repair = PARP, WEE1, or Chk1/2 inhibitor; VEGF = bevacizumab or PD-1xVEGF. Because the trial permits use of archival biopsy specimens, some samples may reflect earlier stages of disease and prior treatment history rather than contemporaneous tumor biology at study entry.

Safety Analysis at Target Doses of 140 to 280 µg Observed to be well-tolerated with a favorable safety profile • Adverse events (AE) generally occurred during the first or second dose • Most events were low grade, of short duration, and were reversible with standard management • Low rate of cytokine release syndrome (CRS) CTIM-76 Program Context Therapeutics Inc. - June 202619 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. All comers = ovarian, testicular, and endometrial patients at target dose levels. TEAE ≥15% in patients. Treatment Emergent Adverse Events (TEAE) All Comers Ovarian N (%) 13 9 Any 13 (100) 9 (100) Related 13 (100) 9 (100) Serious 5 (39) 3 (33) Related Serious 2 (15) 1 (11) Grade 1 CRS 2 (15) 1 (11) Grade ≥2 CRS 0 (0) (0) Dose Reduction 0 (0) 0 (0) Discontinuation 0 (0) 0 (0) Ovarian: overall TEAE and Serious TEAE for by Maximum Severity Grade (N=9)

CRS in PROC Patients at Target Dose Levels Benchmarking CRS profiles across approved and experimental TCE 0% 10% 20% 30% 40% 50% 60% Talvey (GPCR5) Elfrexio (BCMA) Epkinly (CD20) Brenetafusp (PRAME) Imdelltra (DLL3) HPN328 (DLL3) CTIM76 (CLDN6) Pasritamig (KLK2) C RS R at e Grade 1 Grade 2 Grade 3 CTIM-76 Program Context Therapeutics Inc. - June 202620 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. CTIM-76 CRS derived from 16% Grade 1 CRS in all comers patients (n=13). Cross-trial data interpretation should be considered with caution as it is limited by differences in study population, sample size, inclusion and exclusion criteria and many other factors. Imdelltra; Epkinly; Elrexfio; Talvey: Prescribing label. HPN329: Beltran ASCO 2024. Brenetafusp: Freidman ESMO 2024. Pasritamig: Autio ESMO 2025, Stein ASCO 2025 Low CRS rates may be driven by both programs having tumor restricted targets and utilizing step dosing plus steroid prophylaxis

CTIM-76 Interim Phase 1a Data at Target Doses Tumor reduction combined with manageable CRS profile supports continued clinical development CTIM-76 Program Context Therapeutics Inc. - June 202621 Best Overall % Change in Tumor Size From Baseline* CRS Grade Ef fic ac y Sa fe ty -6% -15% -37% -46% -85% -100% -80% -60% -40% -20% 0% 20% Step Dose Cohort 70/140 µg 70/210 µg 0 1 2 3 4 • Limited CRS to date • Dose proportional anti-tumor activity • Tumor shrinkage across multiple lesions and patients, providing evidence of effective T cell engagement E O T T O O On treatment E Endometrial cancer O Platinum-resistant ovarian cancer T Testicular cancer PR PR PD SD O CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. RECIST-evaluable population (n =10 patients at target doses) is defined as having measurable disease documented at baseline according to RECIST v1.1 criteria and at least one follow-up tumor assessment after a full cycle of treatment. *Best tumor reduction at any time point in evaluable patients. Data as of May 29, 2026. O 140/280 µg O O

CTIM-76 Anti-tumor Activity at Target Dose Levels Emerging durability signal, despite weekly dosing during escalation phase CTIM-76 Program 22 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. RECIST-evaluable population (n =10 patients at target doses) is defined as having measurable disease documented at baseline according to RECIST v1.1 criteria and at least one follow-up tumor assessment after a full cycle of treatment. Disease Control Rate: Patients achieving confirmed stable disease, partial response, or complete response. Data as of May 29, 2026. All Comers Ovarian Patient enrolled, n 13 9 RECIST evaluable, n 10 7 Not RECIST evaluable, n 1 0 Pending 1st Scan 2 2 Overall Response Rate (ORR), n (%) 2 (20) 2 (29) Stable Disease (SD), n (%) 3 (30) 2 (29) Disease Control Rate (DCR), n (%) 5 (50) 4 (57) Context Therapeutics Inc. - June 2026 70/140 µg 70/210 µg 140/280 µg Step Dose Cohort -100 -80 -60 -40 -20 0 20 0 5 10 15 20 25 30 35 40 C ha ng e fr om B as el in e (% ) Week Spider Plot On treatment

CTIM-76 Program Context Therapeutics Inc. - June 202623 CTIM-76 Anti-tumor Activity at Target Dose Levels Emerging durability signal with the potential to further improve with less frequent CTIM-76 dosing CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Swimmer plot includes all comers at target dose levels (n=13). Data as of May 29, 2026. Indication Prior Rx Dose Testicular 3 280 Ovarian 5 280 Testicular 3 280 Ovarian 8 280 Ovarian 7 210 Ovarian 6 210 Ovarian 7 210 Ovarian 16 210 Ovarian 11 210 Ovarian 5 140 Ovarian 4 140 Endo 6 140 Testicular 3 140 1 2 3 4 5 6 Months on Treatment 7 8 9 10 Progressive Disease Stable Disease Partial Response RECIST Response 11

Significant RECIST Response in Ovarian Patient with Liver Lesions CTIM-76 Program Context Therapeutics Inc. - June 202624 Baseline CA125 3108 ng/mL Week 9 CA125 272 ng/mL Week 16 CA125 166 ng/mL • PROC patient administered 140µg • 53-year-old female • High disease burden; liver and peritoneum • 5 prior lines of treatment and treatments included mirvetuximab, pembrolizumab, olaparib, VLS-1488 • Rapid progression on two prior therapies • Confirmed PR, 85% decrease in tumor diameter • Disappearance of peritoneal target lesion • On treatment for 162 days; progression due to new lesions 95% CA125 Decline Patient Case Study Detail Context Internal Data. CTIM-76-101. Study Patient Biopsy.

T Cell Exhaustion is a Critical Determinant of Tumor Response Durability Q3W dosing may delay T cell exhaustion, improve treatment durability, and be more convenient for patients1 CTIM-76 Program Context Therapeutics Inc. - June 202625 Context Internal Data. CTIM-76-101. Study Patient correlative data. 1 Autio, Pasritamig in mCRPC, ESMO2025 • Response profiles for two patients with similar tumor burden and H-scores were compared • Markers of T cell exhaustion (%TIM3+ CD8T) were dose proportional Ovarian Patient @ 70/140 µg Testicular Patient @ 140/280 µg 0 1000 2000 3000 4000 0% 25% 50% 1 32 60 91 121 152 182 AF P % TI M 3+ C D 8T Days %TIM3+ CD8T AFP 0 750 1500 2250 3000 0% 25% 50% 1 32 60 91 121 152 182 C A1 25 % TI M 3+ C D 8T Days %TIM3+ CD8T CA125 Partial Response (-54%) Partial Response (-85%) Progressive Disease (-85%; PD non-target) Stable Disease (-1%) Stable Disease (-6%) Stable Disease (-6%; PD new lesion)

CTIM-76 Program Context Therapeutics Inc. - June 202626 Competitive Profile for CTIM-76 in PROC Encouraging tumor response and safety profile in heavily pretreated / ADC-experienced patient population CTIM-76 Multiple Nab-Paclitaxel Azenosertib Brenetafusp Target CLDN6 CDH6, FRα, NaPi2b Microtubule Wee1 (CCNE1 amplified) PRAME Format TCE ADC Chemotherapy Small Molecule TCE Prior ADC (%) 89 3-20 3 15 11 Prior Lines, median 7 3-5 2 3 4 ORR (%) 29 46-55 30 33 6 Trial NCT06515713 REJOICE Ovarian-01, Rainfol-01, NAPISTAR ROSELLA DENALI Part 1b ESMO 2024 Data are not from head-to-head studies. Cross-trial data interpretation should be considered with caution as it is limited by differences in study population, sample size, inclusion and exclusion criteria and many other factors. CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026.

CT-95 MSLN x CD3 bispecific antibody Context Therapeut ics Inc . - June 202627

MSLN Therapies Have the Potential to Reach a Large Patient Population >100,000 patients per year in the United States in Relapse/Refractory (R/R) Setting CT-95 Program 28 Context Therapeutics Inc. - June 2026 Selected Cancer indications Incidence (US Only) R/R Incidence MSLN Positive MSLN Med/High Patient Population Based on R/R Incidence Non-Small Cell Lung 199,586 122,500 55% 36% 67,375 Pancreatic 67,530 47,850 80% 61% 38,280 Colon 158,850 36,600 41% 17% 15,006 Ovarian 19,900 19,500 90% 80% 17,550 Mesothelioma 3,000 2,500 70% 60% 1,750 Esophageal 22,530 16,290 41% 26% 6,679 Endometrial 68,270 17,000 45% 23% 7,650 Gastric 31,510 11,200 49% 23% 5,488 Incidences based on public estimates; Relapsed/refractory (R/R) or last-line patient population approximated by annual mortality; MSLN target prevalence is based on Simon et al, Biomedicines, 2021. Patient population derived from MSLN positive population multiplied by R/R incident population. Initial indications of interest based on: • MSLN prevalence • Patient population size • MSLN target validation

MSLN Target Biology Shed mesothelin (sMSLN) in tumor microenvironment requires a creative solution to overcome CT-95 Program Context Therapeutics Inc. - June 202629 MSLN is bound to tumor cells via a GPI-anchor Like many GPI-anchored proteins, MSLN can be cut into smaller fragments1,2 The MSLN gene encodes a precursor that is cleaved into two products: a soluble N-terminal protein called megakaryocyte potentiating factor (MPF), and a membrane-bound fragment called full length mesothelin (FL-MSLN) sMSLN serves as a competitive sink, preventing antibodies from binding to the tumor, which can lead to suboptimal drug exposure and efficacy Overcoming Fragmented MSLN in the Tumor Microenvironment 1 Zhang, Transl Oncol, 2022; 2 Liu, Commun Biol, 2020; GPI = Glycosylphosphatidylinositol Precursor MSLN Protein FL-MSLNMPF Tumor Cell Enzymatic cleavage GPI sMSLN fragments Enzymatic cleavage

CT-95: MSLN x CD3 T cell Engaging (TCE) Bispecific Antibody Novel design to overcome mesothelin (MSLN) sink • Binds to membrane-proximal MSLN epitope • Affinity tuned MSLN binding • Cooperative binding results in high affinity binding of CT-95 to tumor Potentially wide therapeutic window • No crosslinking by shed MSLN, mitigating off-tumor T cell activation • Cooperative binding of MSLN on tumor surface crosslinks CD3, activating T cells Ease of manufacturing • IgG1 backbone is highly stable and enables high yield CT-95 Program Context Therapeutics Inc. - June 202630 α-MSLN Fab α-CD3 scFv IgG1 backbone Silenced Fc Anticipate Preliminary Phase 1a Data in September 2026

Cytotoxicity in the Presence of Soluble MSLN CT-95 Intended to Overcome MSLN Sink HPN-536 (Harpoon Therapeutics) binds to soluble MSLN (sMSLN) in a dose proportional manner, limiting therapeutic exposure CT-95 Program Context Therapeutics Inc. - June 202631 CT-95 +10nM sMSLN +30nM sMSLN HPN-536 +10nM sMSLN +30nM sMSLN HPN-536 clones are not derived from the original manufacturer and were produced for this research study based on the published sequence of their antibody variable chains; thus, the clones used in this study are biosimilars and may not be identical to the antibodies formulated for clinical development. OVCAR-3 Cytotoxicity OVCAR-3 Cytotoxicity

CT-95 Phase 1a/b Study An open-label, multi-center, dose escalation / expansion, safety, and PK study (NCT06756035) CT-95 Program 32 Context Therapeutics Inc. - June 2026 Trial status information provided as of March 20, 2026 0.3 µg/kg 0.18  0.6 µg/kg 0.27  0.9 µg/kg 0.36  1.2 µg/kg Cohort 1 Cohort 2 Cohort 3 Cohort 4 Cohort 5 Active Dose Level 0.1 µg/kg MABEL Dose Completed (n=1) Completed (n=4) Phase 1a Dose EscalationBiomarker stratification • Ovarian, pancreatic, and mesothelioma do not require prospective screening • All other indications require prospective MSLN screening via IHC (≥10% 1+ staining) Trial objectives • Assess safety and tolerability at increasing dose levels • Pharmacokinetic and pharmacodynamic data • Evaluate preliminary anti-tumor activity Dosing and Administration • Weekly IV infusion • Single step dose • Pretreat patients with 10 mg dexamethasone 1 hour prior to C1D1 and C1D8 doses Enrolling (n=6) Completed (n=3)

CT-95 Competitive Landscape CT-95 is avidity enhanced, affinity tuned, and binds to membrane-bound MSLN CT-95 Program Context Therapeutics Inc. - June 202633 CT-95 AMG-305 HPN-536 JNJ-79032421 ZW171 Company Context Amgen4 Harpoon1 JNJ Zymeworks2,3 Format 2 + 2 1 + 1 + 2 CDH3 + MSLN dBiTE TriTAC 1+1 2 + 1 Avoids sMSLN ✘ ✘ ✘ Affinity Tuned ✘ ✘ ✘ ✘ High Affinity CD3 ✘ ✘ ✘ Program Status Phase 1 FPI Apr 2025 Phase 1 FPI Oct. 2023 Phase 1 Discontinued Phase 1 Discontinued Phase 1 Discontinued Clinical trials.gov accessed on October 30, 2025 1 Harpoon Therapeutics Corporate Presentation, 4 November 2021; 2 Piscitelli, PEGS Boston, 2023; 3 Zymeworks R&D Day, 2022; 4 WO2022096716A2. Information provided in the table above is for illustrative purposes only and is not a head-to-head comparison. Differences exist between study or trial designs and subject characteristics, and caution should be exercised when comparing data across studies.

CT-202 Nectin-4 x CD3 bispecific antibody Context Therapeut ics Inc . - June 202634

Nectin-4 Therapies Have the Potential to Reach a Large Patient Population >125,000 patients per year in the United States in Relapse/Refractory (R/R) Setting CT-202 Program 35 Context Therapeutics Inc. - June 2026 Selected Cancer indications Incidence (US Only) R/R Incidence Nectin-4 Positive Nectin-4 Med/High Patient Population Based on R/R Incidence Colon 158,850 36,600 87%1 78%2 31,842 Bladder (urothelial) 84,530 18,765 83%3 60%3 15,575 Breast (TNBC) 56,334 11,550 78%3 58%5 9,009 Non-Small Cell Lung 199,586 122,500 64%3 58%6 78,400 Pancreatic 67,530 47,850 71%3 37%3 33,974 Head and Neck 72,680 12,000 59%3 18%3 7,080 Esophageal 22,530 16,290 55%3 24%3 8,960 Gastric 31,510 11,200 94%7 60%4 10,528 Initial indications of interest based on: • Nectin-4 prevalence • Patient population size • Target validation via antibody-drug conjugates (ADCs) Incidences based on public estimates; Relapsed/refractory (R/R) or last-line patient population approximated by annual mortality; Patient population derived from Nectin-4 positive population multiplied by R/R incident population. 1 Kobecki, Int J Mol Sci, 2023; 2 Nikanjan, Can Let, 2025; 3 Challita, Can Res, 2016; 4 Zhang, Oncol Lett, 2018; 5 Zeindler, Front Med, 2019; 6 Takano, Mol Bio, 2009; 7 Muro, ESMO Open, 2025

CT-202: Nectin-4 x CD3 T cell Engaging (TCE) Bispecific Antibody CT-202 Program Context Therapeutics Inc. - June 202636 α-Nectin-4 Fab α-CD3 scFv IgG1 backbone Silenced Fc Novel design incorporating logic gating to spare Nectin-4 in normal tissue • Because of its expression in healthy epidermal keratinocytes, sweat glands, and hair follicles, Nectin-4 targeted treatments are associated with dermatological side effects • CT-202 uses pH dependent binding to both Nectin-4 and CD3 to minimize binding to healthy tissues and maximize binding and T cell activation within the tumor microenvironment Avidity optimized to mitigate CRS risk • Bivalent Nectin-4 binding to reduce T cell crosslinking in the absence of target • Steric hindrance of CD3 binding by Fc domain prevents T cell crosslinking by single CT-202 molecules Ease of manufacturing • IgG1 backbone is highly stable and enables high yield Anticipate Phase 1 First Patient Dosed in Q3 2026

Two-Pronged Approach to Overcoming Nectin-4 Expression in Skin CT-202 Program 37 Logic Gating Through pH Dependency + Increased Target Selectivity Through Avidity 1 Chang, PNAS, 2021 CD3 Potent T cell activationNo T cell activation High on-/off-rate when bound to Nectin-4 monomer Avidity-enhanced Nectin-4 binding T cell Tumor 30x gain of activity in acidic tumor microenvironment versus healthy cells1 Context Therapeutics Inc. - June 2026 No CT-202 Binding CT-202 Binding

CT-202 is Highly Active and Well Tolerated Across In Vivo Models CT-202 Program Context Therapeutics Inc. - June 202638 Complete Tumor Regressions CT-202 demonstrated similar efficacy in BT474 breast cancer xenograft compared to enfortumab TCE control antibodies in mice Reduced Cytokine Release CT-202 treatment resulted in significantly lower IL-6 induction compared to enfortumab TCE benchmark antibodies in NHP CT -2 02 En fo rt um ab T CE CT -2 02 En fo rt um ab T CE Control CT-202 1 mg/kg CT-202 0.5 mg/kg CT-202 0.25 mg/kg Control Enfortumab TCE 1 mg/kg Enfortumab TCE 0.5 mg/kg Enfortumab TCE 0.25 mg/kg CT-202 0.1 mg/kg CT-202 1 mg/kg CT-202 5 mg/kg Enfortumab TCE 0.1 mg/kg Enfortumab TCE 1 mg/kg Enfortumab TCE 5 mg/kg Padcev = enfortumab vedotin 30x Higher

CT-202 Competitive Landscape Competitor TCE programs lack conditional activation, avidity enhancement, and high potency immune activator Context Therapeutics Inc. - June 202639 Company Context Therapeutics Bicycle Therapeutics Rondo Therapeutics Asset CT-202 BT74801,2 RNDO-5643 Format 2 + 2 (pH dependent) 1 + 2 (Bicycle) 1 + 1 (Fixed light chain) Conditionally active ✘ ✘ Avidity enhanced ✘ ✘ High Affinity CD3 ✘ ✘ Program Status Preclinical (Ph 1 FPI expected Q3 2026) Phase 1 (completed) Preclinical (Ph 1 late 2025) 1 Bicycle Therapeutics R&D Day, Dec 2023; 2 Hurov, J Immunother Cancer, 2021; 3 PEGS Boston 2024. Information provided in the table above is for illustrative purposes only, is not exhaustive and is not a head-to-head comparison. Differences exist between study or trial designs and subject characteristics, and caution should be exercised when comparing data across studies. CT-202 Program

Corporate 40 Context Therapeut ics Inc . - June 2026

Anticipated Key Milestones in 2026-2027 • Multiple data inflection points over the next 12 months • Current cash runway into mid-2027 Corporate PROGRAM target 1H 2026 2H 2026 1H 2027 2H 2027 CTIM-76 Claudin 6 (CLDN6) CT-95 Mesothelin (MSLN) CT-202 Nectin-4 Ph 1a Dose Escalation Ph 1a Q3W Dose Evaluation Ph 1b Dose Expansion Ph 1a Dose Escalation Ph 1b Dose Expansion Ph 1a Dose Escalation Context Therapeutics Inc. - June 202641 Reflects current expectations, subject to change

Corporate Experienced Leadership Team Experienced management team Clinical team has developed T cell therapies Our management team is supported by a Board with deep oncology experience Focus on Execution Martin Lehr CEO and Director Alex Levit, Esq Chief Legal Officer Karen Chagin, MD Chief Medical Officer Context Therapeutics Inc. - June 202642 Jennifer Dashnau, PhD SVP Technical Operations Jennifer Minai Chief Financial Officer Chris Beck, MBA SVP Operations

Advancing T Cell Engagers for Solid Tumors © Context Therapeutics 2026

Glossary ADC Antibody drug conjugate AE Adverse event CAR-T Chimeric antigen receptor T cell therapy CD3 Cluster of differentiation 3 CLDN Claudin CRS Cytokine release syndrome DLT Dose limiting toxicity Fab Fragment antigen-binding region FIH First-in-human FPI First Patient In (dosed) FRα Folate receptor alpha GPI Glycosylphosphatidylinositol IHC Immunohistochemistry IND Investigational new drug IV Intravenous Mabel Minimum anticipated biologic effect level MoA Mechanism of action MSLN Mesothelin Appendix MTD Maximum tolerated dose N.D. Not disclosed ORR Overall response rate PFS Progression free survival PK Pharmacokinetic PR Partial Response PROC Platinum resistant ovarian cancer QW Every week Q3W Every three weeks scFv Single chain variable fragment SD Stable Disease TCE T cell engager YE Year End Context Therapeutics Inc. - June 202644

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Exhibit 99.2

Context Therapeutics Announces Positive Interim Efficacy and Safety Results from Ongoing Phase 1 Clinical Trial for CTIM-76

29% confirmed overall response rate per RECIST v1.1 in patients with platinum-resistant ovarian cancer (“PROC”) who progressed on a median of 7 prior lines of therapy

Cytokine Release Syndrome (“CRS”) in PROC limited to Grade 1 in 11% of patients

Pharmacokinetic (“PK”) profile supports exploration of Q3W dosing in 2H 2026

CTIM-76 has been granted FDA Fast Track Designation in PROC

Company to host conference call on Monday, June 15 at 8:00 a.m. ET

PHILADELPHIA, PA— June 15, 2026 —Context Therapeutics Inc. (“Context” or the “Company”) (Nasdaq: CNTX), a clinical-stage biopharmaceutical company advancing T cell engaging (“TCE”) bispecific antibodies for solid tumors, today announced positive interim Phase 1 clinical data for its CLDN6 x CD3 T cell engaging bispecific antibody, CTIM-76, in advanced, late-line platinum-resistant ovarian cancer (“PROC”). The data are as of a May 29, 2026 data cutoff from the ongoing CTIM-76 Phase 1 study.

“We are encouraged by the continued development of CTIM-76 as a potentially best-in-class CLDN6 T cell engager that may offer a much-needed new therapeutic approach for patients with platinum-resistant ovarian cancer,” said Martin Lehr, Chief Executive Officer of Context. “In our first clinical presentation of dose-escalation data, weekly administration of CTIM-76 produced compelling anti-tumor activity and a well-tolerated safety profile in heavily pretreated patients, many of whom had extensive prior exposure to antibody-drug conjugates. Building on this encouraging data, we have advanced into the next phase of development, where we will evaluate CTIM-76 administered every three weeks (“Q3W”). These results are expected to inform subsequent Phase 1b dose expansion in 2027.”

CTIM-76 Phase 1a Interim Data Summary:

•21 patients with PROC (n=14), testicular (n=4), and endometrial (n=3) cancer were treated with CTIM-76 at doses ranging from 22.5µg to 560µg every week (“QW”).

•At the active doses of 140µg to 280µg, 13 patients were treated in total, 10 of whom were efficacy evaluable, having had at least one post-baseline tumor assessment as of the data cutoff.

•560µg exceeded target exposures with QW dosing and was not pursued further.

PROC Patient Characteristics:

•Patients (n=9) received a median of 7 prior lines of therapy (range 5-16).

•Prior patient treatments included ADC (89%), checkpoint inhibitor (55%), VEGF (100%), or DNA repair agent (78%).

•44% of patients had liver metastases.

Efficacy Results:

•As of the data cutoff, 7 PROC patients were efficacy-evaluable at doses of 140µg to 280µg.

•Overall response rate (ORR): 29% of PROC patients (2/7) achieved confirmed partial RECIST v. 1.1 responses.

•Disease control rate (DCR)1: 57% (4/7)

•In early cohort patients who achieved confirmed stable disease or partial response, treatment durability was sustained for at least 6 months (n=3).

Safety Results:

•At active dose levels, CTIM-76 produced a favorable safety profile that is consistent with the expected mechanism of action for a T cell engager and supports continued clinical development.

•Adverse events generally occurred during the first or second dose and were predominantly low grade, with the majority of events reported as Grade 1 or Grade 2 and reversible with standard management.

•CRS events were infrequent and limited to Grade 1 (11%, n=1/9) at active dose levels in PROC patients, which may be supportive of outpatient dosing in future trials.

Pharmacokinetic Results:

•Approximately dose-dependent increases in CTIM-76 exposure with increasing dose level.

•Preliminary PK supports exploration of Q3W dosing schedule.

Investor Webcast and Conference Call Information

The Company will host a conference call to discuss these data at 8:00 a.m. ET today, June 15, 2026. Participants may access the live webcast of the conference call from the “News & Events” page of the Company’s website at www.contexttherapeutics.com. Participants may register for the conference call here and are advised to do so at least 10 minutes prior to joining the call. The webcast will be available for replay for at least 90 days on the Company’s website.

About CTIM-76

CTIM-76 is a CLDN6 x CD3 T cell engaging bispecific antibody. CLDN6 is enriched in a wide range of solid tumors, including ovarian, endometrial, lung, gastric, and testicular. Preclinical research suggests the potential for convenient dosing with low immunogenicity risk and scalable manufacturing to address the significant number of patients who are potentially eligible for CTIM-76 therapy. More information about the CTIM-76 clinical trial (NCT06515613) can be found on https://clinicaltrials.gov/.

About Context Therapeutics®

Context Therapeutics Inc. (Nasdaq: CNTX) is a clinical-stage biopharmaceutical company advancing T cell engaging (“TCE”) bispecific antibodies for solid tumors. Context’s goal is to

build an innovative portfolio of TCE bispecific therapeutics, including CTIM-76, a Claudin 6 x CD3 TCE, CT-95, a Mesothelin x CD3 TCE, and CT-202, a Nectin-4 x CD3 TCE. Context is headquartered in Philadelphia. For more information, please visit www.contexttherapeutics.com or follow the Company on X (formerly Twitter) and LinkedIn.

Forward-looking Statements

This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact, including statements regarding the Company’s strategy, future operations, prospects, and plans and objectives of management, are forward-looking statements. These statements may be identified by words such as “may,” “will,” “expect,” “believe,” “could,” “estimate,” “potential,” “anticipate,” “look forward,” “plan,” “intend,” and similar expressions.

Forward-looking statements in this press release include, without limitation, statements regarding (i) expectations of CTIM-76 Q3W dosing in the second half of 2026 and that CTIM-76 Q3W data will be available to inform subsequent dose expansion, (ii) expectations of CTIM-76 Phase 1b clinical trial development to occur in 2027; (iii) expectations that CTIM-76 may potentially be a best-in-class CLDN6 T cell engager; (iv) expectations that CTIM-76 could be a new therapeutic approach for patients with platinum-resistant ovarian cancer; and (v) other non-historical statements.

These forward-looking statements involve substantial risks and uncertainties that could cause actual results to differ materially from those expressed or implied, and the Company cannot assure that its plans, intentions, expectations, or strategies will be achieved. These risks and uncertainties include, without limitation: (i) uncertainties regarding the Company’s expectations, projections, and estimates of future costs and expenses, capital requirements, the availability of additional financing and the Company’s capital requirements; (ii) the timing, progress, and results of the Company’s discovery, preclinical and clinical development activities; (iii) clinical trial site activation and enrollment; (iv) unexpected safety or efficacy data observed during preclinical studies or clinical trials; (v) the risk that results from nonclinical or clinical studies may not be predictive of future results, and that interim data are subject to further analysis; (vi) uncertainties related to the regulatory approval process; (vii) the Company’s reliance on third parties; (viii) macroeconomic conditions; and (ix) whether the Company has sufficient funding to meet future operating expenses and capital expenditure requirements. Additional factors that may cause actual results to differ materially from those expressed or implied in the forward-looking statements in this press release are described under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, as filed with the U.S. Securities and Exchange Commission (the “SEC”), and in the Company’s other filings with the SEC, including future reports.

Except as required by law, the Company undertakes no obligation to update or revise any forward-looking statements, which speak only as of the date of this press release, whether as a result of new information, future events or otherwise.

Investor Relations Contact:

Jennifer Minai-Azary

Chief Financial Officer

Context Therapeutics

IR@contexttherapeutics.com

1 Disease Control Rate: Patients achieving a confirmed response of stable disease, partial response, or complete response.

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June 15, 2026 Phase 1 Interim Results CTIM-76: A Novel CLDN6 x CD3 TCE

Important Notice and Disclaimers This presentation contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact, including statements regarding the Company’s strategy, future operations, prospects, and plans and objectives of management, are forward-looking statements. These statements may be identified by words such as “may,” “will,” “expect,” “believe,” “could,” “estimate,” “potential,” “anticipate,” “look forward,” “plan,” “intend,” and similar expressions. Forward-looking statements in this presentation include, without limitation, statements regarding (i) the Company’s business strategy, cash flows, cash runway and funding status, (ii) potential growth opportunities, (iii) clinical development activities, (iv) the timing and results of preclinical research, clinical trials and potential regulatory approval and commercialization of product candidates, (v) estimates of potential market size and opportunity, and (vi) other non-historical statements. These forward-looking statements involve substantial risks and uncertainties that could cause actual results to differ materially from those expressed or implied, and the Company cannot assure that its plans, intentions, expectations, or strategies will be achieved. These risks and uncertainties include, without limitation: (i) uncertainties regarding the Company’s expectations, projections, and estimates of future costs and expenses, capital requirements, the availability of additional financing and the Company’s capital requirements; (ii) the timing, progress, and results of the Company’s discovery, preclinical and clinical development activities; (iii) clinical trial site activation and enrollment; (iv) unexpected safety or efficacy data observed during preclinical studies or clinical trials; (v) the risk that results from nonclinical or clinical studies may not be predictive of future results, and that interim data are subject to further analysis; (vi) uncertainties related to the regulatory approval process; (vii) the Company’s reliance on third parties; (viii) macroeconomic conditions; and (ix) whether the Company has sufficient funding to meet future operating expenses and capital expenditure requirements. Additional factors that may cause actual results to differ materially from those expressed or implied in the forward-looking statements in this presentation are described under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, as filed with the U.S. Securities and Exchange Commission (the “SEC”), and in the Company’s other filings with the SEC, including future reports. Except as required by law, the Company undertakes no obligation to update or revise any forward- looking statements, which speak only as of the date of this presentation, whether as a result of new information, future events or otherwise. Certain information contained in this presentation relates to or is based on studies, publications, surveys and other data obtained from third-party sources and the Company's own internal estimates and research. While the Company believes these third-party sources to be reliable as of the date of this presentation, it has not independently verified any information obtained from third- party sources. In addition, all of the market data included in this presentation involves a number of assumptions and limitations. References in this presentation to research reports or to articles and publications should not be construed as depicting the complete findings of the entire referenced report or article. This presentation discusses product candidates that are under preclinical and clinical study, and which have not yet been approved for marketing by the U.S. Food and Drug Administration. No representation is made as to the safety or effectiveness of these product candidates for the use for which such product candidates are being studied. While the Company believes its internal research is reliable, such research has not been verified by any independent source. All the scientific, preclinical and clinical data presented within this presentation are – by definition prior to completion of the clinical trial and a clinical study report – preliminary in nature and subject to further quality checks including customary source data verification. The trademarks included herein are the property of the owners thereof and are used for reference purposes only. Such use should not be construed as an endorsement of such products. Forward Looking Statement Executive Summary CTIM-76 Phase 1 Interim Results2

On Today’s Call CTIM-76 Phase 1 Interim Results3 Executive Summary Pipeline Overview Martin Lehr Chief Executive Officer CTIM-76 Development Karen Chagin, MD Chief Medical Officer Corporate and Financials Jennifer Minai Chief Financial Officer

Introduction Martin Lehr CEO, Context Therapeutics CTIM-76 Phase 1 Interim Results4

Context Therapeutics Introduction Pipeline Overview 5 PROGRAM TARGET ADDRESSABLE MARKET (U.S. ONLY) PRECLINICAL PHASE 1 PHASE 2 ANTICIPATED MILESTONES CTIM-76 Claudin 6 (CLDN6) > 50,000 patients Q4 2026: QW updated data Q2 2027: Q3W dosing data CT-95 Mesothelin (MSLN) > 100,000 patients Sept 2026: Preliminary Ph 1a data CT-202 Nectin-4 > 125,000 patients Q3 2026: Ph 1 FPI CTIM-76: CLDN6 x CD3 CT-95: MSLN x CD3 Product differentiation: highly selective for CLDN6 over CLDN3/4/9 Safety: potent CD3 induction without broad cytokine activation Potential Indications: ovarian, endometrial, lung α-CLDN6 Fab α-CD3 scFv α-MSLN Fab α-CD3 scFv CT-202: Nectin-4 x CD3 Product differentiation: avidity optimized to avoid mesothelin (MSLN) fragments Safety: sterically hindered CD3 to avoid T cell crosslinking Potential Indications: lung, pancreatic, ovarian, colorectal Product differentiation: conditionally activate in the tumor microenvironment Safety: sterically hindered CD3 to avoid T cell crosslinking Potential Indications: bladder, colorectal, breast, lung α-Nectin-4 Fab α-CD3 scFv CTIM-76 Phase 1 Interim Results Addressable market is the estimated patient population derived from tumor antigen positive population multiplied by Relapsed/Refractory (R/R) incident population.

Context is Positioned to Develop the Next Generation of Transformative T Cell Engagers Potential to expand into early treatment lines through synergistic drug combinations Context Therapeutics Introduction CTIM-76 Phase 1 Interim Results6 Synergistic Combination ApproachesOptimized Novel Monotherapies CTIM-76 CT-95 CT-202 Bispecific TCE Engineered for: Potential Opportunities for: • Best-in-class efficacy • Reduced risk of CRS • Target selectivity • Pharmacokinetics • Complementary mechanisms to enhance activity • Improved safety due to non-overlapping toxicities • Synergistic immunologic effects TCE + ADC TCE + PD-1xVEGF + +

Today’s Update: Encouraging Phase 1a Clinical Data Observed for CTIM-76 CTIM-76 has been granted FDA Fast Track Designation Context Therapeutics Introduction CTIM-76 Phase 1 Interim Results7 Pan-PROC Target Clinical Activity in Late Line PROC 7 (5-16) prior lines of therapy Low Rate of CRS in PROC ~75% of platinum resistant ovarian cancer (PROC) patients are CLDN6+ Potential for Rapid Clinical Enrollment 29% confirmed ORR 57% confirmed DCR 66% of patients on therapy Potential to Address ADC Resistance in PROC 11% Grade 1 CRS at target dose levels Potential for Outpatient Dosing CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. RECIST-evaluable PROC population (n=9 patients at target doses) is defined as having measurable disease documented at baseline according to RECIST v1.1 criteria and at least one follow-up tumor assessment after a full cycle of treatment. Disease Control Rate: Patients achieving confirmed stable disease, partial response, or complete response. Data as of May 29, 2026

Claudin 6 (CLDN6) Target Overview Martin Lehr CEO, Context Therapeutics CTIM-76 Phase 1 Interim Results8

CLDN6 is an Attractive Target for Immunotherapy • CLDN6 is an oncofetal protein. Normally present at higher levels during embryonic development • Turned off or have low levels of expression in adult tissues • Expression increases with cancer disease stage • Tetraspan protein; does not readily internalize CTIM-76 Program CTIM-76 Phase 1 Interim Results9 CLDN6 is an Ideal TCE Target 1 Screnci, Cancer Res, 2022; 2 Tanaka, J Hepatol, 2018; 3 Cordat, Physiology, 2019; Li, FEBS Open Bio, 2020 CLDN6 selectivity is required to avoid off-target liabilities The CLDN6 antibody binding region is highly conserved with CLDN3 and CLDN4 – differing by only 3 amino acids1 CLDN3 and CLDN4 are enriched in the liver and antibody binding may result in liver enzyme elevations2,3 Avoiding CLDN3 and CLDN4 is a Critical Safety Determinant CLDN6 Protein Claudin Gene Family Extracellular Space Cytoplasm Antibody Binding Domain CLDN9 CLDN6 CLDN4 CLDN3 CLDN5 CLDN8 CLDN17 CLDN2 CLDN14 CLDN20 CLDN7 CLDN1 CLDN19 CLDN34 CLDN12 CLDN23 CLDN16 CLDN24 CLDN22 CLDN15 CLDN18 CLDN11 CLDN15 CLDN10

CTIM-76: Claudin 6 x CD3 T cell Engaging (TCE) Bispecific Antibody Optimized structure for CLDN6 selectivity, potency, and manufacturability • Highly selective CLDN6 binding fragment antibody-binding (Fab) arm • Immunostimulatory CD3 binding single-chain fragment variable (scFv) domain is functionally monovalent to avoid aberrant T cell activation • Silenced Fc domain to avoid off target immune cell activation Potentially wide therapeutic window • T cell dependent cellular cytotoxicity with no or minimal activation of circulating cytokines • Humanized CLDN6 and CD3 binding domains Ease of manufacturing • IgG1 backbone is highly stable and enables high yield CTIM-76 Program CTIM-76 Phase 1 Interim Results10 α-CLDN6 Fab α-CD3 scFv IgG1 backbone Silenced Fc

CTIM-76 Phase 1 Interim Results Karen Chagin, MD Chief Medical Officer, Context Therapeutics CTIM-76 Phase 1 Interim Results11

CTIM-76 Phase 1a Dose Escalation Trial Target population • Ovarian, endometrial and testicular cancer relapsed to standard of care (all comers) • CLDN6+ positive via IHC (≥10% 1+ staining) Trial objectives • Assess safety and tolerability • Pharmacokinetic and pharmacodynamic data • Evaluate preliminary anti-tumor activity Dosing and Administration • Step dosing • Pretreat patients with 16 mg dexamethasone 1 hour prior to C1D1 and C1D8 doses CTIM-76 Phase 1 Interim Results Path to the identification of optimal prime dose, full dose, and dosing schedule CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026 22.5  70 µg (n=3) 70  140 µg (n=4) 22.5 µg (n=1) 140  280 µg (n=4) 140  560 µg (n=4) cohorts at predicted sub-therapeutic doses 70  210 µg (n= 5) 70  280 µg (n=3-12) 70  420 µg (n=3-12) 2H 2026 evaluating Q3W dosing in ovarian patients exceeded target exposure 70  TBD µg (n=3-12) 12 CTIM-76 Phase 1 Interim Results Dose Level 1 Dose Level 2 Dose Level 3 Dose Level 4 Dose Level 5 Dose Level 3a QW dose escalation (n=21)

CTIM-76 Exhibits Compelling Pharmacokinetic (PK) Properties CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results13 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. 1 Pasritamig: Autio ESMO 2025 . Q3W = every three weeks. 210 and 280µg doses displayed optimal PK properties, including Cmax below target saturation (EC90) and Cmin above activity threshold (EC50) 560µg resulted in target saturation and was associated with rapid T cell exhaustion Weekly Dosing (QW) Reducing TCE dose frequency has been shown to reduce T cell exhaustion, resulting in improved treatment response and durability1 Q3W dosing of CTIM-76 may optimize T cell activation and recovery through on/off cycling Every Three Week (Q3W) PK Simulation On Off EC50 EC90 EC50 EC90

Patient Demographics at Target Doses of 140 to 280 µg CTIM-76 evaluated in heavily pre-treated patients with high tumor burden CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results14 Baseline Characteristics All Comers N 13 Age, n (range) 61 (29-72) ECOG, n (range) 1 (0-1) Ovarian, n (%) 9 (69) Testicular, n (%) 3 (23) Endometrial, n (%) 1 (8) Prior therapies, median (range) 6 (3-16) 1, n (%) 0 (0) 2 0 (0) 3 3 (23) 4 1 (7) ≥5 9 (69) Baseline Characteristics Ovarian N 9 Age, n (range) 63 (53-74) ECOG, n (range) 0 (0-1) Sum of longest dimension (mm) 71 (39-114) Liver metastases, n (%) 4 (44) H-Score, median (range) 145 (25-300) Prior therapies, median (range) 7 (5-16) Checkpoint Inhibitor, n (%) 5 (55) ADC 8 (89) DNA Repair 7 (78) VEGF 9 (100) CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. ADC = antibody drug conjugate; DNA Repair = PARP, WEE1, or Chk1/2 inhibitor; VEGF = bevacizumab or PD-1xVEGF. Because the trial permits use of archival biopsy specimens, some samples may reflect earlier stages of disease and prior treatment history rather than contemporaneous tumor biology at study entry.

Safety Analysis at Target Doses of 140 to 280 µg Observed to be well-tolerated with a favorable safety profile • Adverse events (AE) generally occurred during the first or second dose • Most events were low grade, of short duration, and were reversible with standard management • Low rate of cytokine release syndrome (CRS) CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results15 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. All comers = ovarian, testicular, and endometrial patients at target dose levels. TEAE ≥15% in patients. Treatment Emergent Adverse Events (TEAE) All Comers Ovarian N (%) 13 9 Any 13 (100) 9 (100) Related 13 (100) 9 (100) Serious 5 (39) 3 (33) Related Serious 2 (15) 1 (11) Grade 1 CRS 2 (15) 1 (11) Grade ≥2 CRS 0 (0) (0) Dose Reduction 0 (0) 0 (0) Discontinuation 0 (0) 0 (0) Ovarian: overall TEAE and Serious TEAE for by Maximum Severity Grade (N=9)

CRS in PROC Patients at Target Dose Levels Benchmarking CRS profiles across approved and experimental TCE 0% 10% 20% 30% 40% 50% 60% Talvey (GPCR5) Elfrexio (BCMA) Epkinly (CD20) Brenetafusp (PRAME) Imdelltra (DLL3) HPN328 (DLL3) CTIM76 (CLDN6) Pasritamig (KLK2) C RS R at e Grade 1 Grade 2 Grade 3 CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results16 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026. CTIM-76 CRS derived from 16% Grade 1 CRS in all comers patients (n=13). Cross-trial data interpretation should be considered with caution as it is limited by differences in study population, sample size, inclusion and exclusion criteria and many other factors. Imdelltra; Epkinly; Elrexfio; Talvey: Prescribing label. HPN329: Beltran ASCO 2024. Brenetafusp: Freidman ESMO 2024. Pasritamig: Autio ESMO 2025, Stein ASCO 2025 Low CRS rates may be driven by both programs having tumor restricted targets and utilizing step dosing plus steroid prophylaxis

CTIM-76 Interim Phase 1a Data at Target Doses Tumor reduction combined with manageable CRS profile supports continued clinical development CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results17 Best Overall % Change in Tumor Size From Baseline* CRS Grade Ef fic ac y Sa fe ty -6% -15% -37% -46% -85% -100% -80% -60% -40% -20% 0% 20% Step Dose Cohort 70/140 µg 70/210 µg 0 1 2 3 4 • Limited CRS to date • Dose proportional anti-tumor activity • Tumor shrinkage across multiple lesions and patients, providing evidence of effective T cell engagement E O T T O O On treatment E Endometrial cancer O Platinum-resistant ovarian cancer T Testicular cancer PR PR PD SD O CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. RECIST-evaluable population (n =10 patients at target doses) is defined as having measurable disease documented at baseline according to RECIST v1.1 criteria and at least one follow-up tumor assessment after a full cycle of treatment. *Best tumor reduction at any time point in evaluable patients. Data as of May 29, 2026. O 140/280 µg O O

CTIM-76 Anti-tumor Activity at Target Dose Levels Emerging durability signal, despite weekly dosing during escalation phase CTIM-76 Phase 1 Interim Results 18 CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. RECIST-evaluable population (n =10 patients at target doses) is defined as having measurable disease documented at baseline according to RECIST v1.1 criteria and at least one follow-up tumor assessment after a full cycle of treatment. Disease Control Rate: Patients achieving confirmed stable disease, partial response, or complete response. Data as of May 29, 2026. All Comers Ovarian Patient enrolled, n 13 9 RECIST evaluable, n 10 7 Not RECIST evaluable, n 1 0 Pending 1st Scan 2 2 Overall Response Rate (ORR), n (%) 2 (20) 2 (29) Stable Disease (SD), n (%) 3 (30) 2 (29) Disease Control Rate (DCR), n (%) 5 (50) 4 (57) CTIM-76 Phase 1 Interim Results 70/140 µg 70/210 µg 140/280 µg Step Dose Cohort -100 -80 -60 -40 -20 0 20 0 5 10 15 20 25 30 35 40 C ha ng e fr om B as el in e (% ) Week Spider Plot On treatment

CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results19 CTIM-76 Anti-tumor Activity at Target Dose Levels Emerging durability signal with the potential to further improve with less frequent CTIM-76 dosing CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Swimmer plot includes all comers at target dose levels (n=13). Data as of May 29, 2026. Indication Prior Rx Dose Testicular 3 280 Ovarian 5 280 Testicular 3 280 Ovarian 8 280 Ovarian 7 210 Ovarian 6 210 Ovarian 7 210 Ovarian 16 210 Ovarian 11 210 Ovarian 5 140 Ovarian 4 140 Endo 6 140 Testicular 3 140 1 2 3 4 5 6 Months on Treatment 7 8 9 10 Progressive Disease Stable Disease Partial Response RECIST Response 11

Significant RECIST Response in Ovarian Patient with Liver Lesions CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results20 Baseline CA125 3108 ng/mL Week 9 CA125 272 ng/mL Week 16 CA125 166 ng/mL • PROC patient administered 140µg • 53-year-old female • High disease burden; liver and peritoneum • 5 prior lines of treatment and treatments included mirvetuximab, pembrolizumab, olaparib, VLS-1488 • Rapid progression on two prior therapies • Confirmed PR, 85% decrease in tumor diameter • Disappearance of peritoneal target lesion • On treatment for 162 days; progression due to new lesions 95% CA125 Decline Patient Case Study Detail Context Internal Data. CTIM-76-101. Study Patient Biopsy.

T Cell Exhaustion is a Critical Determinant of Tumor Response Durability Q3W dosing may delay T cell exhaustion, improve treatment durability, and be more convenient for patients1 CTIM-76 Phase 1 Interim Results CTIM-76 Phase 1 Interim Results21 Context Internal Data. CTIM-76-101. Study Patient correlative data. 1 Autio, Pasritamig in mCRPC, ESMO2025 • Response profiles for two patients with similar tumor burden and H-scores were compared • Markers of T cell exhaustion (%TIM3+ CD8T) were dose proportional Ovarian Patient @ 70/140 µg Testicular Patient @ 140/280 µg 0 1000 2000 3000 4000 0% 25% 50% 1 32 60 91 121 152 182 AF P % TI M 3+ C D 8T Days %TIM3+ CD8T AFP 0 750 1500 2250 3000 0% 25% 50% 1 32 60 91 121 152 182 C A1 25 % TI M 3+ C D 8T Days %TIM3+ CD8T CA125 Partial Response (-54%) Partial Response (-85%) Progressive Disease (-85%; PD non-target) Stable Disease (-1%) Stable Disease (-6%) Stable Disease (-6%; PD new lesion)

Rationale for CTIM-76 in PROC Karen Chagin, MD Chief Medical Officer, Context Therapeutics CTIM-76 Phase 1 Interim Results22

Significant Market Opportunity in High Unmet Need CLDN6+ Post-ADC PROC • ~75% of PROC patients are CLDN6+ • No approved treatment option specifically for this biomarker selected PROC population • ~42,000 CLDN6+ PROC patients globally (US, EU7, JP) • CLDN6 has significant target overlap with promising ADC targets, including FRα, CDH6, NaPi2b – opening the door to potential combination opportunities • Additional opportunities in earlier lines of ovarian cancer and other tumor types with CLDN6 overexpression, including non-small cell lung (NSCLC) and endometrial cancer CTIM-76 in Platinum-resistant Ovarian Cancer CTIM-76 Phase 1 Interim Results23 Broad Use Case as Monotherapy or Combination Potential Opportunities for: • Monotherapy development post-ADC • Combination development with ADC, VEGF, or chemotherapy CTIM-76 + ADC + CTIM-76 Patient population based on multiplying NIH SEER 2026 ovarian cancer estimates in United States and prevalence estimates for EU7 and Japan by ~80% of all PROC (based on internal data)

Patient Population (US Only) 21,010 new cases and 12,450 deaths per year CTIM-76 in Platinum-resistant Ovarian Cancer CTIM-76 Phase 1 Interim Results24 PLAT + CHEMO ± BEV P + C ± BEV BEV BEV Combo NON-PLAT CHEMO OTHER PARP ± BEV PARP ± BEV BEV OTHERPLAT + CHEMO ± BEV BEV COMBO OTHERMIRV BEV Combo PARP ± CHEMO 9k 3k 7k 10k 12k 18k 1L 1LM 2L 2LM 3L-4L 2L+ PSOC PROC Patient population based on SEER 2026 ovarian cancer estimates. Numbers represent Company estimates of U.S. patients with conditions covered by the Company’s targeted indications and are dependent upon regulatory approvals. PSOC = platinum sensitive ovarian cancer; PROC = platinum resistant ovarian cancer Primary Surgery CTIM-76 CTIM-76 ± ADC or Chemotherapy CTIM-76 ± Bevacizumab CTIM-76 Potential to Move Into Earlier Lines

Initial Product Development in Platinum-resistant Ovarian Cancer (PROC) CTIM-76 therapeutic window supports broad monotherapy and combination therapy development program in PROC CTIM-76 in Platinum-resistant Ovarian Cancer CTIM-76 Phase 1 Interim Results25 Doxorubicin Topo2 Inhibitor Mirvextuximab FRα ADC Gem or Etop (Off Label) Rina-S FRα Ralu-Dxd CDH6 Sac-TMT TROP2 AZD5335 FRα TUB-040 NaPi2b Enhertu HER2 Doxorubicin Topo2 Inhibitor FRa (-) FRa (++) Paclitaxel Microtubule Inhibitor 1L 2L 3L 4L Current PROC Treatment Algorithm Future / Conceptual PROC Treatment Algorithm Topo1 ADC Doxorubicin Topo2 Inhibitor Mirvextuximab FRα ADC Gem or Etop (Off Label) Doxorubicin Topo2 Inhibitor FRa (-) FRa (++) Paclitaxel Microtubule Inhibitor Gem or Etop (Off Label) 1L 2L 3L 4L 5L Paclitaxel Microtubule Inhibitor CTIM-76 monotherapy in later lines Gem or Etop (Off Label) Paclitaxel Microtubule Inhibitor Representative Topo-based ADC CTIM-76 combo in earlier lines Current treatment options is based upon NCCN guidelines and Company internal estimates. Future / Conceptual PROC treatment algorithm is based on Company internal estimates and is for illustrative purposes only.

CTIM-76 in Platinum-resistant Ovarian Cancer CTIM-76 Phase 1 Interim Results26 Competitive Profile for CTIM-76 in PROC Encouraging tumor response and safety profile in heavily pretreated / ADC-experienced patient population CTIM-76 Multiple Nab-Paclitaxel Azenosertib Brenetafusp Target CLDN6 CDH6, FRα, NaPi2b Microtubule Wee1 (CCNE1 amplified) PRAME Format TCE ADC Chemotherapy Small Molecule TCE Prior ADC (%) 89 3-20 3 15 11 Prior Lines, median 7 3-5 2 3 4 ORR (%) 29 46-55 30 33 6 Trial NCT06515713 REJOICE Ovarian-01, Rainfol-01, NAPISTAR ROSELLA DENALI Part 1b ESMO 2024 Data are not from head-to-head studies. Cross-trial data interpretation should be considered with caution as it is limited by differences in study population, sample size, inclusion and exclusion criteria and many other factors. CTIM-76-101 ClinicalTrials.gov Identifier: NCT06515713. Data as of May 29, 2026.

Concluding Remarks CTIM-76 Phase 1 Inter im Results27

Anticipated Key Milestones in 2026-2027 • Multiple data inflection points over the next 12 months • Current cash runway into mid-2027 Concluding Remarks PROGRAM target 1H 2026 2H 2026 1H 2027 2H 2027 CTIM-76 Claudin 6 (CLDN6) CT-95 Mesothelin (MSLN) CT-202 Nectin-4 Ph 1a Dose Escalation Ph 1a Q3W Dose Evaluation Ph 1b Dose Expansion Ph 1a Dose Escalation Ph 1b Dose Expansion Ph 1a Dose Escalation CTIM-76 Phase 1 Interim Results28 Reflects current expectations, subject to change

Concluding Remarks CTIM-76 Phase 1a Interim Data Summary and Next Steps CTIM-76 Phase 1 Interim Results29 Clinical activity demonstrated for CLDN6 x CD3 TCE Potential best-in-class CLDN6 TCE could present a multi-billion dollar opportunity Evaluating Q3W dosing to potentially enhance patient convenience and combinability Promising safety data supports exploration of earlier lines of ovarian cancer therapy, including platinum sensitive and maintenance settings Company estimates regarding pricing assumptions based on approved ADCs and TCEs, Abbvie Q4 2025 Earnings disclosing $690 million of Net Sales for Elahare in PROC, and estimated duration of treatment based on PROC (~35% of patients eligible), PSOC, and ovarian maintenance standard of care. Reflects current expectations, subject to change.

c o n t ex t© CONTEXT THERAPEUTICS 2026 context t h e r a p e u t i c s Advancing T Cell Engagers for Solid Tumors 30CTIM-76 Phase 1 Inter im Results

Glossary ADC Antibody drug conjugate AE Adverse event CAR-T Chimeric antigen receptor T cell therapy CD3 Cluster of differentiation 3 CLDN Claudin CRS Cytokine release syndrome DLT Dose limiting toxicity Fab Fragment antigen-binding region FIH First-in-human FPI First Patient In (dosed) FRα Folate receptor alpha GPI Glycosylphosphatidylinositol IHC Immunohistochemistry IND Investigational new drug IV Intravenous Mabel Minimum anticipated biologic effect level MoA Mechanism of action MSLN Mesothelin Appendix MTD Maximum tolerated dose N.D. Not disclosed ORR Overall response rate PFS Progression free survival PK Pharmacokinetic PR Partial Response PROC Platinum resistant ovarian cancer QW Every week Q3W Every three weeks scFv Single chain variable fragment SD Stable Disease TCE T cell engager YE Year End CTIM-76 Phase 1 Interim Results31

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