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Form 8-K

sec.gov

8-K — Outlook Therapeutics, Inc.

Accession: 0001104659-26-078337

Filed: 2026-06-26

Period: 2026-06-26

CIK: 0001649989

SIC: 2836 (BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES))

Item: Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

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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 26, 2026

Outlook Therapeutics,

Inc.

(Exact name of registrant

as specified in its charter)

Delaware

001-37759

38-3982704

(State or other jurisdiction

of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

111

S. Wood Avenue, Unit

#100

Iselin, New Jersey

08830

(Address of principal executive offices)

(Zip Code)

Registrant's telephone number, including area code:

(609) 619-3990

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))

Securities pursuant to Section 12(b) of the Act:

Title of Each Class

Trading Symbol(s)

Name of Each Exchange

on Which

Registered

Common Stock

OTLK

The Nasdaq Stock Market LLC

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 3.01.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

As previously reported, on February 18, 2026,

Outlook Therapeutics, Inc., a Delaware corporation (the “Company”), received a letter from the Listing Qualifications Staff

(the “Nasdaq Staff”) of The Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company that Nasdaq staff had determined

to delist the Company’s common stock, par value $0.01 per share (the “Common Stock”) from the Nasdaq Capital Market

because it failed to maintain a minimum bid price of $1.00 per share for 30 consecutive business days, in violation of Nasdaq Listing

Rule 5550(a)(2).

On June 26, 2026, the Company received a letter

from the Nasdaq Staff notifying the Company that, because the closing bid price of the Company’s common stock had been at $1.00

per share or greater for the ten consecutive business days between June 11, 2026 - June 25, 2026, the Company had regained compliance

with the minimum bid price requirement set forth in Nasdaq Listing Rule 5550(a)(2) for continued listing on The Nasdaq Capital Market

and that this matter is now closed.

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.

Outlook Therapeutics, Inc.

Date: June 26, 2026

By:

/s/ Lawrence A. Kenyon

Lawrence A. Kenyon

Chief Financial Officer

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