INSW

SEC source: 0001679049-26-000010 · form4.xml · nonDerivative · entry 2

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,463

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-26-000010 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,362

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F1 · price: These stock options were exercised on a net share settlement basis.

SEC source: 0001679049-26-000007 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,073

F1 · kind: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · shares: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · price: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · acquired: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

SEC source: 0001679049-26-000006 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 180,421

F1 · kind: This transaction was executed in multiple trades at prices ranging from $54.4800 to $55.9100. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $54.4800 to $55.9100. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · price: This transaction was executed in multiple trades at prices ranging from $54.4800 to $55.9100. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $54.4800 to $55.9100. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

SEC source: 0001679049-26-000002 · form4.xml · derivative · entry 3

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,289

Underlying: Common Stock · 16,000 shares

Expires 2029-04-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F3 · derivative.exercise_date: 100% of these options were vested on the date exercisable date.

F2 · derivative.underlying: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F3 · balance_after: 100% of these options were vested on the date exercisable date.

SEC source: 0001679049-26-000002 · form4.xml · nonDerivative · entry 2

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,073

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-26-000002 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,242

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F1 · price: These stock options were exercised on a net share settlement basis.

SEC source: 0001679049-25-000150 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 75,242

F1 · security: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · kind: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · shares: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · price: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · acquired: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

SEC source: 0001679049-25-000149 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 182,421

F1 · security: This transaction was executed in multiple trades at prices ranging from $48.2400 to $48.8500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · kind: This transaction was executed in multiple trades at prices ranging from $48.2400 to $48.8500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $48.2400 to $48.8500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · price: This transaction was executed in multiple trades at prices ranging from $48.2400 to $48.8500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $48.2400 to $48.8500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

SEC source: 0001679049-25-000147 · form4.xml · derivative · entry 3

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,995 shares

Expires 2028-04-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F3 · derivative.exercise_date: 100% of these options were vested on the date exercisable date.

F2 · derivative.underlying: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · balance_after: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-25-000147 · form4.xml · nonDerivative · entry 2

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,242

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-25-000147 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,729

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F1 · price: These stock options were exercised on a net share settlement basis.

SEC source: 0001679049-25-000145 · form4.xml · nonDerivative · entry 1

Oshodi Adewale · CIK 0001614569 · Vice President & Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,578

F1 · shares: This transaction represents a gift effective November 20, 2025. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

F1 · price: This transaction represents a gift effective November 20, 2025. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

F1 · balance_after: This transaction represents a gift effective November 20, 2025. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

SEC source: 0001679049-25-000142 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 71,734

F1 · security: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · kind: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · shares: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · price: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · acquired: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

SEC source: 0001679049-25-000143 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 184,421

F1 · security: This transaction was executed in multiple trades at prices ranging from $53.5800 to $54.0800. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · kind: This transaction was executed in multiple trades at prices ranging from $53.5800 to $54.0800. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $53.5800 to $54.0800. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · price: This transaction was executed in multiple trades at prices ranging from $53.5800 to $54.0800. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $53.5800 to $54.0800. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

SEC source: 0001679049-25-000139 · form4.xml · nonDerivative · entry 1

Small James D III · CIK 0001635888 · CAO,SVP,Sec. & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,292

F1 · kind: This transaction was executed in multiple trades at prices ranging from $53.2500 to $53.8000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $53.2500 to $53.8000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

F1 · price: This transaction was executed in multiple trades at prices ranging from $53.2500 to $53.8000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $53.2500 to $53.8000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

SEC source: 0001679049-25-000137 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,421

F1 · shares: This transaction represents a gift effective November 12, 2025. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

F1 · price: This transaction represents a gift effective November 12, 2025. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

F1 · balance_after: This transaction represents a gift effective November 12, 2025. This is not a market transaction, thus no price has been reported. No value was received for the gifted shares.

SEC source: 0001679049-25-000132 · form4.xml · derivative · entry 3

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2028-04-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F3 · derivative.exercise_date: 100% of these options were vested on the date exercisable date.

F2 · derivative.underlying: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · balance_after: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-25-000132 · form4.xml · nonDerivative · entry 2

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,734

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-25-000132 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,695

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F1 · price: These stock options were exercised on a net share settlement basis.

SEC source: 0001679049-25-000135 · form4.xml · nonDerivative · entry 1

Solon Derek G. · CIK 0001699442 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,393

F1 · shares: This transaction was executed in multiple trades at prices ranging from $53.5200 to $53.8300 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

F1 · price: This transaction was executed in multiple trades at prices ranging from $53.5200 to $53.8300 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $53.5200 to $53.8300 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

F1 · ownership.direct: This transaction was executed in multiple trades at prices ranging from $53.5200 to $53.8300 The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

SEC source: 0001679049-26-000008 · form4.xml · nonDerivative · entry 2

Grillo Debra · CIK 0002059275 · Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,574

F1 · kind: These 1,944 shares of Common Stock are being acquired in connection with the vesting of 1,944 restricted stock units on October 24, 2025 pursuant to the International Seaways, Inc. 2020 Management Incentive Compensation Plan (the "2020 Plan") which vested units are being settled in shares of Common Stock. The 1,944 restricted stock units were granted on April 24, 2024. In connection with the vesting of the 1,944 units, 759 shares are being withheld by International Seaways, Inc. in partial payment of the Reporting Person's tax withholding liability incurred as a result of the vesting of the units. This Form 4 is being filed late due to administrative oversight.

F1 · shares: These 1,944 shares of Common Stock are being acquired in connection with the vesting of 1,944 restricted stock units on October 24, 2025 pursuant to the International Seaways, Inc. 2020 Management Incentive Compensation Plan (the "2020 Plan") which vested units are being settled in shares of Common Stock. The 1,944 restricted stock units were granted on April 24, 2024. In connection with the vesting of the 1,944 units, 759 shares are being withheld by International Seaways, Inc. in partial payment of the Reporting Person's tax withholding liability incurred as a result of the vesting of the units. This Form 4 is being filed late due to administrative oversight.

F1 · price: These 1,944 shares of Common Stock are being acquired in connection with the vesting of 1,944 restricted stock units on October 24, 2025 pursuant to the International Seaways, Inc. 2020 Management Incentive Compensation Plan (the "2020 Plan") which vested units are being settled in shares of Common Stock. The 1,944 restricted stock units were granted on April 24, 2024. In connection with the vesting of the 1,944 units, 759 shares are being withheld by International Seaways, Inc. in partial payment of the Reporting Person's tax withholding liability incurred as a result of the vesting of the units. This Form 4 is being filed late due to administrative oversight.

SEC source: 0001679049-26-000008 · form4.xml · nonDerivative · entry 1

Grillo Debra · CIK 0002059275 · Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,333

F1 · kind: These 1,944 shares of Common Stock are being acquired in connection with the vesting of 1,944 restricted stock units on October 24, 2025 pursuant to the International Seaways, Inc. 2020 Management Incentive Compensation Plan (the "2020 Plan") which vested units are being settled in shares of Common Stock. The 1,944 restricted stock units were granted on April 24, 2024. In connection with the vesting of the 1,944 units, 759 shares are being withheld by International Seaways, Inc. in partial payment of the Reporting Person's tax withholding liability incurred as a result of the vesting of the units. This Form 4 is being filed late due to administrative oversight.

F1 · shares: These 1,944 shares of Common Stock are being acquired in connection with the vesting of 1,944 restricted stock units on October 24, 2025 pursuant to the International Seaways, Inc. 2020 Management Incentive Compensation Plan (the "2020 Plan") which vested units are being settled in shares of Common Stock. The 1,944 restricted stock units were granted on April 24, 2024. In connection with the vesting of the 1,944 units, 759 shares are being withheld by International Seaways, Inc. in partial payment of the Reporting Person's tax withholding liability incurred as a result of the vesting of the units. This Form 4 is being filed late due to administrative oversight.

F1 · price: These 1,944 shares of Common Stock are being acquired in connection with the vesting of 1,944 restricted stock units on October 24, 2025 pursuant to the International Seaways, Inc. 2020 Management Incentive Compensation Plan (the "2020 Plan") which vested units are being settled in shares of Common Stock. The 1,944 restricted stock units were granted on April 24, 2024. In connection with the vesting of the 1,944 units, 759 shares are being withheld by International Seaways, Inc. in partial payment of the Reporting Person's tax withholding liability incurred as a result of the vesting of the units. This Form 4 is being filed late due to administrative oversight.

SEC source: 0001679049-25-000130 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,695

F1 · kind: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · shares: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · price: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · acquired: The transaction reported on this Form 4 effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

SEC source: 0001679049-25-000128 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 186,771

F1 · kind: This transaction was executed in multiple trades at prices ranging from $43.8800 to $44.4000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $43.8800 to $44.4000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · price: This transaction was executed in multiple trades at prices ranging from $43.8800 to $44.4000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $43.8800 to $44.4000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the Issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

SEC source: 0001679049-25-000126 · form4.xml · derivative · entry 3

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 17,442 shares

Expires 2027-03-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F3 · derivative.exercise_date: 100% of these options were vested on the date exercisable date.

F2 · derivative.underlying: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · balance_after: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-25-000126 · form4.xml · nonDerivative · entry 2

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,695

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

F2 · price: Represents the number of shares withheld by the Issuer to satisfy (i) the aggregate exercise price for the options and (ii) withholding taxes related to such exercise.

SEC source: 0001679049-25-000126 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,944

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: These stock options were exercised on a net share settlement basis.

F1 · price: These stock options were exercised on a net share settlement basis.

SEC source: 0001679049-25-000122 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,502

F1 · kind: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · shares: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · price: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · acquired: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

SEC source: 0001679049-25-000124 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 188,771

F1 · kind: This transaction was executed in multiple trades at prices ranging from $48.5200 to $49.3000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $48.5200 to $49.3000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · price: This transaction was executed in multiple trades at prices ranging from $48.5200 to $49.3000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $48.5200 to $49.3000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

SEC source: 0001679049-25-000120 · form4.xml · nonDerivative · entry 1

Pribor Jeffrey · CIK 0001303205 · SVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,502

F1 · kind: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · shares: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · price: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

F1 · acquired: The transaction reported on this Form 4 was effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 23, 2025.

SEC source: 0001679049-25-000116 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 190,771

F1 · kind: This transaction was executed in multiple trades at prices ranging from $41.3300 to $41.7500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $41.3300 to $41.7500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · price: This transaction was executed in multiple trades at prices ranging from $41.3300 to $41.7500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $41.3300 to $41.7500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on March 14, 2025.

SEC source: 0001679049-25-000112 · form4.xml · nonDerivative · entry 1

Small James D III · CIK 0001635888 · CAO,SVP,Sec. & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,292

F1 · kind: This transaction was executed in multiple trades at prices ranging from $41.2000 to $41.4600. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $41.2000 to $41.4600. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

F1 · price: This transaction was executed in multiple trades at prices ranging from $41.2000 to $41.4600. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $41.2000 to $41.4600. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer.

SEC source: 0001679049-25-000114 · form4.xml · nonDerivative · entry 1

Solon Derek G. · CIK 0001699442 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,893

F1 · kind: This transaction was executed in multiple trades at prices ranging from $41.2200 to $41.4300. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $41.2200 to $41.4300. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

F1 · price: This transaction was executed in multiple trades at prices ranging from $41.2200 to $41.4300. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $41.2200 to $41.4300. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer.

SEC source: 0001679049-25-000110 · form4.xml · nonDerivative · entry 1

Nugent William F. · CIK 0001699272 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,752

F1 · kind: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · shares: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · price: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · acquired: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

SEC source: 0001679049-25-000108 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 192,771

F1 · kind: This transaction was executed in multiple trades at prices ranging from $38.3500 to $39.0000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $38.3500 to $39.0000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · price: This transaction was executed in multiple trades at prices ranging from $38.3500 to $39.0000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $38.3500 to $39.0000. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

SEC source: 0001679049-26-000008 · form4.xml · derivative · entry 4

Grillo Debra · CIK 0002059275 · Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,714

Underlying: Common Stock · 2,714 shares

Expires not disclosed

F3 · security: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · security: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · date: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · date: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · kind: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · kind: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · shares: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · shares: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · price: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · price: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · derivative.exercise_date: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · derivative.exercise_date: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · derivative.expiration_date: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · derivative.expiration_date: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · derivative.underlying: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · derivative.underlying: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · derivative.underlying_shares: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · derivative.underlying_shares: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

F3 · balance_after: On July 3, 2025, INSW granted the Reporting Person pursuant to the 2025 Plan, 2,714 performance restricted stock units (PRSUs). Achievement under the PRSUs will be measured using an operating performance metric (return on invested capital, or ROIC) and a market performance metric (total shareholder return, or TSR, relative to the TSR of a peer group or companies), in each case measured over the three-year period beginning on January 2, 2025 and ending on December 31, 2027. Each metric relates to half of the PRSUs granted.

F4 · balance_after: These PRSUs represent the right to receive an equivalent number of shares of INSW Common Stock (net of any shares deducted for applicable taxes and other withholdings) if and when the PRSUs vest, assuming a performance factor of 100% achievement. The PRSU grants are subject (so long as at least the minimum performance threshold is achieved) to increase or decrease pursuant to a performance factor that may range from 50% to 150%. The number of shares vesting, if any, will be reported after the Compensation Committee of the Issuer's Board of Directors certifies the achievement of the applicable performance metric following the end of the measurement period.

SEC source: 0001679049-26-000008 · form4.xml · derivative · entry 3

Grillo Debra · CIK 0002059275 · Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,715

Underlying: Common Stock · 2,715 shares

Expires not disclosed

F2 · security: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · date: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · kind: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · shares: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · price: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · derivative.exercise_date: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · derivative.expiration_date: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · derivative.underlying: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · derivative.underlying_shares: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

F2 · balance_after: On July 3, 2025, INSW granted the Reporting Person pursuant to the International Seaways 2025 Management Incentive Plan (the "2025 Plan") 2,715 restricted stock units which units vest as to one-third of such units on each of the first, second and third anniversaries of the date of the grant. Each unit represents the right to acquire one share of Common Stock. Settlement of vested units which may be in either shares of Common Stock or cash as determined by the Human Resources and Compensation Committee of the Board in its discretion, and will be net of any shares deducted for applicable taxes and other withholdings.

SEC source: 0001679049-25-000106 · form4.xml · nonDerivative · entry 1

Nugent William F. · CIK 0001699272 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,752

F1 · kind: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · shares: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · price: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · acquired: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

SEC source: 0001679049-25-000104 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 194,771

F1 · security: This transaction was executed in multiple trades at prices ranging from $38.3000 to $39.5400. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · kind: This transaction was executed in multiple trades at prices ranging from $38.3000 to $39.5400. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $38.3000 to $39.5400. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · price: This transaction was executed in multiple trades at prices ranging from $38.3000 to $39.5400. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $38.3000 to $39.5400. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · balance_after: This transaction was executed in multiple trades at prices ranging from $38.3000 to $39.5400. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan executed by the reporting person on May 10, 2024.

SEC source: 0001679049-25-000096 · form4.xml · nonDerivative · entry 1

STEVENSON CRAIG H JR · CIK 0001088231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,745

F1 · shares: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000097 · form4.xml · nonDerivative · entry 1

BERNLOHR TIMOTHY J · CIK 0001286593 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,295

F1 · shares: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000099 · form4.xml · nonDerivative · entry 1

GREENBERG DAVID I · CIK 0001189718 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,022

F1 · shares: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000098 · form4.xml · nonDerivative · entry 1

Day Randee E · CIK 0001327776 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,160

F1 · shares: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000095 · form4.xml · nonDerivative · entry 1

BLACKLEY IAN T · CIK 0001337856 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,700

F1 · shares: These 6,344 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 6,344 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000102 · form4.xml · nonDerivative · entry 1

Anderson Darron M. · CIK 0001708546 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,115

F1 · shares: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000101 · form4.xml · nonDerivative · entry 1

Johansen Kristian · CIK 0001980204 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,115

F1 · shares: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000100 · form4.xml · nonDerivative · entry 1

Blankenship Alexandra Kate · CIK 0001769458 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,213

F1 · shares: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

F1 · balance_after: These 3,104 shares of Common Stock were granted to the Reporting Person by the Issuer on June 10, 2025 pursuant to the Issuer's 2020 Non-Employee Director Incentive Compensation Plan and vest on the earlier of (i) June 10, 2026 and (ii) the date of the annual meeting of stockholders in 2026.

SEC source: 0001679049-25-000085 · form4.xml · nonDerivative · entry 1

Nugent William F. · CIK 0001699272 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,752

F1 · kind: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · shares: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · price: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

F1 · acquired: The reporting person hereby undertakes to provide upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a rule10b5-1 trading plan executed by the reporting person on May 10, 2024.

SEC source: 0001679049-25-000082 · form4.xml · nonDerivative · entry 1

Zabrocky Lois K · CIK 0001349704 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 196,771

F1 · kind: This transaction was executed in multiple trades at prices ranging from $37.8000 to $38.3500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1trading plan executed by the reporting person on May 10, 2024.

F1 · shares: This transaction was executed in multiple trades at prices ranging from $37.8000 to $38.3500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1trading plan executed by the reporting person on May 10, 2024.

F1 · price: This transaction was executed in multiple trades at prices ranging from $37.8000 to $38.3500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1trading plan executed by the reporting person on May 10, 2024.

F1 · acquired: This transaction was executed in multiple trades at prices ranging from $37.8000 to $38.3500. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, full information regarding the number of shares and prices at which the transaction was effected to the SEC staff, the issuer or a security holder of the issuer. The transaction reported on this Form 4 were effected pursuant to a Rule 10b5-1trading plan executed by the reporting person on May 10, 2024.