Form 8-K

8-K — International Seaways, Inc.

Accession: 0001104659-26-118505

Filed: 2026-10-23

Period: 2026-10-19

CIK: 0001679049

SIC: 4400 (WATER TRANSPORTATION)

Item: Entry into a Material Definitive Agreement

Item: Financial Statements and Exhibits

Documents

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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

October 23, 2026

(October 19, 2026)

Date of Report (Date

of earliest event reported)

International

Seaways, Inc.

(Exact

Name of Registrant as Specified in Charter)

1-37836-1

Commission

File Number

Marshall Islands

98-0467117

(State or other jurisdiction of incorporation or organization)

(I.R.S. Employer Identification Number)

600 Third Avenue,

39th Floor

New York, New York

10016

(Address

of Principal Executive Offices) (Zip Code)

Registrant's

telephone number, including area code (212) 578-1600

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))

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 ¨

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. ¨

Securities registered pursuant to Section 12(b)

of the Act:

Title of each class

Symbol

Name of each exchange on which registered

Common Stock (no par value)

INSW

New York Stock Exchange

Rights to Purchase Common Stock

N/A true

New York Stock Exchange

Section

1 – Registrant’s Business and Operations

Item 1.01 Entry Into a Material Definitive Agreement.

October 19, 2026, a subsidiary of International Seaways, Inc. (the “Company”) entered into a joinder

agreement (the “Agreement”) to that certain Credit Agreement dated as of May 20, 2022 (as amended by the

First Amendment to the Credit Agreement, dated as of March 10, 2023, the Second Amendment to the Credit Agreement, dated as of April

26, 2024, the Third Amendment to the Credit Agreement, dated as of October 7, 2025 and as further amended and/or restated, the

“$500 Million RCF”) among the Company, International Seaways Operating Corporation Ltd. (the

“Borrower”), the subsidiary guarantors, Nordea Bank Abp, New York Branch (as administrative agent,

collateral agent, security trustee and a lender) and the other lenders thereunder. Pursuant to the Agreement, the subject subsidiary

agreed to be bound as subsidiary guarantor under the $500 Million RCF and related loan documents and also agreed to pledge as

collateral one VLCC tanker. This vessel comprises a Substitution Vessel (as defined in the Credit Agreement) that replaces a

collateral vessel previously sold (and announced) in the third quarter of 2026.

The

description of the Agreement set forth in this Item 1.01 is qualified in its entirety by reference to the full text thereof, a copy of

which is filed as an exhibit to this Current Report on Form 8-K and which is incorporated herein by reference.

Section 9 – Financial Statements

and Exhibits

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Pursuant to General Instruction B.2 of Form 8-K, the

following exhibit is furnished with this Form 8-K.

Exhibit No.

Description

10.1

Joinder Agreement dated October 19, 2026 by Liberty Tanker Company LLC to the $500 Million RCF among the Registrant, the Borrower, the other Guarantors from time to time party thereto, the Lenders from time to time party thereto, Nordea Bank Abp, New York Branch, as administrative agent for the lenders and as collateral agent and security trustee for the Secured Parties.

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.

INTERNATIONAL SEAWAYS, INC.

(Registrant)

Date: October 23, 2026

/s/ James D. Small III

Name:

James D. Small III

Title:

Chief Administrative Officer, Senior Vice President, Secretary and General Counsel

EXHIBIT

INDEX

Exhibit No.

Description

10.1

Joinder Agreement dated October 19, 2026.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

EX-10.1 — EXHIBIT 10.1

EX-10.1

Filename: tm2628139d1_ex10-1.htm · Sequence: 2

Exhibit 10.1

Execution Version

JOINDER AGREEMENT

International Seaways, Inc.

International Seaways Operating Corporation Ltd.

600 Third Avenue, 39th Floor

New York, NY 10016

October 19, 2026

Ladies and Gentlemen:

Reference

is made to that certain Credit Agreement, dated as of May 20, 2022 (as amended by the First Amendment to Credit Agreement, dated as of

March 10, 2023, the Second Amendment to Credit Agreement, dated as of April 26, 2024, the Third Amendment to Credit Agreement, dated as

of October 7, 2025 and as further amended, restated, amended and restated, supplemented and/or otherwise modified from time to time, the

“Credit Agreement”), among International Seaways, Inc., a Marshall Island corporation (“Holdings”),

International Seaways Operating Corporation Ltd., a Bermuda exempted limited company (f/k/a International Seaways Operating Corporation,

a Marshall Islands corporation) (the “Borrower”), the other Guarantors from time to time party thereto, the Lenders

from time to time party thereto and Nordea Bank Abp, New York Branch, as Administrative Agent, Collateral Agent and Security Trustee.

Capitalized terms used but not otherwise defined herein shall have the meanings assigned to such terms in the Credit Agreement.

This joinder agreement (this

“Joinder Agreement”) supplements the Credit Agreement and is delivered by the undersigned (the “Joining Party”),

pursuant to Section 5.15 of the Credit Agreement.

The Joining Party hereby agrees

that upon the execution hereof to be bound as a Subsidiary Guarantor by all of the terms, covenants, obligations, liabilities and conditions

set forth in the Credit Agreement and the other Loan Documents to the same extent that it would have been bound if it had been a signatory

to the Credit Agreement and the other Loan Documents on the execution date or dates of the Credit Agreement and such other Loan Documents.

Without limiting the generality of the foregoing, and in furtherance thereof, the Joining Party, jointly and severally, hereby guarantees,

as a primary obligor and not a surety, to each Secured Party and their respective successors and assigns, the prompt payment and performance

in full when due (whether at stated maturity, by required prepayment, declaration, demand, by acceleration or otherwise) of the Guaranteed

Obligations. The Joining Party hereby represents and warrants that the representations and warranties set forth in Article III of the

Credit Agreement and each of the other Loan Documents and applicable to the undersigned are true and correct in all material respects

(or true and correct in all respects in the case of representations and warranties qualified by materiality or Material Adverse Effect)

on and as of the date hereof with the same effect as though made on and as of this date, except to the extent such representations and

warranties expressly relate to an earlier date (in which case such representations and warranties shall be true and correct in all material

respects (or true and correct in all respects in the case of representations and warranties qualified by materiality or Material Adverse

Effect) on and as of such earlier date).

Schedule

A, Collateral Vessels and Schedule B, Subsidiary Guarantors, attached hereto supplement Schedule 1.01(a), Part 2 and

Schedule 1.01(h), respectively, of the Credit Agreement and shall be deemed a part thereof for all purposes of the Credit Agreement. The

Joining Party hereby certifies, as of the date first written above, that the schedules attached hereto are complete and accurate and include

all of the information required to be scheduled for them pursuant to the Credit Agreement.

This Joinder Agreement and

any amendments, waivers, consents or supplements hereto may be executed in any number of counterparts and by the different parties hereto

on separate counterparts, all of which shall together constitute one and the same instrument. The words “execution,” “signed,”

“signature,” and words of like import in this Joinder Agreement shall be deemed to include electronic signatures or the keeping

of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature

or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable law, including

the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any

other similar applicable state laws based on the Uniform Electronic Transactions Act.

This Joinder Agreement shall

be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns, except that the Joining Party

may not assign or otherwise transfer any of its respective rights or obligations hereunder, except as permitted by the Credit Agreement

and any other Loan Documents.

THIS

JOINDER AGREEMENT AND ANY CLAIMS, CONTROVERSY, DISPUTE OR CAUSE OF ACTION (WHETHER SOUNDING IN CONTRACT, TORT OR OTHERWISE) BASED UPON,

ARISING OUT OF OR RELATING TO THIS JOINDER AGREEMENT AND THE TRANSACTIONS CONTEMPLATED HEREBY SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE

WITH, THE LAWS OF THE STATE OF NEW YORK.

The provisions of Sections

11.06, 11.07, 11.09(b), 11.09(c), 11.09(d), 11.10 and 11.12 of the Credit Agreement are

incorporated herein by reference, mutatis mutandis.

From and after the execution

and delivery hereof by the parties hereto, this Joinder Agreement shall constitute a “Loan Document” for all purposes of the

Credit Agreement and the other Loan Documents.

[Remainder of this page intentionally left blank]

IN WITNESS WHEREOF, the Joining

Party has caused this Joinder Agreement to be executed and delivered by its duly authorized officer as of the date first above written.

LIBERTY

TANKER COMPANY LLC

By:

/s/

James D. Small III

Name:

James

D. Small III

Title:

Vice

President and Assistant Secretary

[Signature Page to Joinder

Agreement to INSW $750M Credit Agreement]

AGREED

TO AND ACCEPTED:

NORDEA

BANK ABP, NEW YORK BRANCH,

Administrative Agent and Collateral Agent

By:

/s/

Erik Havnvik

Name:

Erik

Havnvik

Title:

Managing

Director

By:

/s/

Anna Cecilie Ribe

Name:

Anna

Cecilie Ribe

Title:

Associate

Director

[Signature Page to Joinder Agreement to INSW $750M Credit Agreement]

Schedules to the Joinder Agreement

Table

of Contents

Schedule A

Collateral Vessels

Schedule B

Subsidiary Guarantors

Schedule A - Collateral Vessels

Vessel

Documented Owner

Official

Number

Flag

IMO

Number

Built Date

(yyyy)

Seaways Liberty

Liberty Tanker Company LLC

6448

Marshall Islands

9727027

2016

Schedule B - Subsidiary Guarantors

Liberty Tanker Company LLC

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