WIINBERG ULF

SEC source: 0001193125-26-379575 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,929

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0001193125-26-253461 · ownership.xml · nonDerivative · entry 2

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,650

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0001193125-26-253461 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,519

F3 · price: Due to an administrative error, the RSUs for Q1 2026 Board and committee compensation were not filed timely.

SEC source: 0001193125-26-004786 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,395

Underlying: Common Stock · 5,395 shares

Expires 2036-01-02

F1 · derivative.exercise_date: Option vests on February 2, 2026, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

SEC source: 0001193125-25-306675 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,234

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0001193125-25-201314 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,225

Underlying: Common Stock · 3,225 shares

Expires 2035-09-09

F1 · derivative.exercise_date: The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

SEC source: 0001193125-25-195095 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,971

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-25-081611 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,960

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-25-033525 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,007

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-24-132518 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,181

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-24-112007 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,500.664

Underlying: Common Stock · 3,423.478 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $7.49 per Deferred Stock Unit acquired on October 1, 2024. The price of each Deferred Stock Unit acquired on October 1,2024 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000950170-24-103745 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,705

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-24-079585 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,077.186

Underlying: Common Stock · 2,121.119 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $12.08 per Deferred Stock Unit acquired on July 1, 2024. The price of each Deferred Stock Unit acquired on July 1,2024 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000950170-24-069212 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,410

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-24-039351 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 279,121.341

Underlying: Common Stock · 38,635.459 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $0.66 per Deferred Stock Unit acquired on April 1, 2024. The price of each Deferred Stock Unit acquired on April 1, 2024 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000950170-24-026426 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,333

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-24-046417 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires 2034-02-05

F1 · derivative.exercise_date: The Stock Options were awarded in accordance with the Agenus Inc. 2019 Amended and Restated Equity Incentive Plan on February 5, 2024 and will vest on February 5, 2025. The Stock Options were granted prior to the 1 for 20 reverse stock split, representing 100,000 Stock Options with an exercise price of $0.63.

SEC source: 0000950170-24-001478 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,485.882

Underlying: Common Stock · 30,956.376 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $0.83 per Deferred Stock Unit acquired on January 2, 2024. The price of each Deferred Stock Unit acquired on January 2, 2024 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000950170-23-068312 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,543

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000950170-23-064833 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,063

F1 · shares: Represents open market purchase of common stock for cash.

SEC source: 0000950170-23-051963 · ownership.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 209,529.506

Underlying: Common Stock · 18,001.063 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $1.42 per Deferred Stock Unit acquired on October 2, 2023. The price of each Deferred Stock Unit acquired on October 2, 2023 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediatlely preceding the date such Deferred Stock Unit was acquired pursuant to the Plan. This amount also includes a downward adjustment of 75.02 Deferred Stock Units in respect of the grant dated July 3, 2023, as the average closing price used for such calculation incorrectly reflected a stock split and was increased on October 2, 2023 to $1.61 per Deferred Stock Unit.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000950170-23-046773 · ownership.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,119

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

F2 · balance_after: In Table 1 of the Form 4 filed on June 2, 2023, the amount of securities acquired and price (column 4) and amount of securities beneficially owned following reported transaction (column 5) were erroneously reported. On June 1, 2023, 7,778 RSUs were acquired at a price of $1.80 each, resulting in a total amount of securities beneficially owned following the reported transaction of 50,529 instead of 50,706 as erroneously reported.

SEC source: 0000899243-23-017124 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,528.442

Underlying: Common Stock · 16,018.322 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $1.60 per Deferred Stock Unit acquired on July 3, 2023. The price of each Deferred Stock Unit acquired on July 3, 2023 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediat1ely preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-23-015837 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,500

Underlying: Common Stock · 22,500 shares

Expires 2033-06-14

F1 · derivative.exercise_date: The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

SEC source: 0000899243-23-014410 · doc4.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,706

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000899243-23-010207 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,510.12

Underlying: Common Stock · 11,901.641 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $2.153 per Deferred Stock Unit acquired on April 3, 2023. The price of each Deferred Stock Unit acquired on April 3, 2023 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediat1ely preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-23-006928 · doc4.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,751

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000899243-23-001356 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2033-01-08

F1 · derivative.exercise_date: Options of Common Stock were awarded in accordance with the Agenus Inc. 2019 Amended and Restated Equity Incentive Plan (the "2019 Plan") on January 8, 2023. Options will vest on January 8, 2024.

SEC source: 0000899243-23-000503 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163,608.479

Underlying: Common Stock · 9,893.822 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $2.590 per Deferred Stock Unit acquired on January 3, 2023. The price of each Deferred Stock Unit acquired on January 3, 2023 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-22-037698 · doc4.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,052

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

F2 · balance_after: Includes shares inadvertently excluded from a Form 4 filed on September 19, 2022.

SEC source: 0000899243-22-032920 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,714.657

Underlying: Common Stock · 9,862.289 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $2.598 per Deferred Stock Unit acquired on October 3, 2022. The price of each Deferred Stock Unit acquired on October 3, 2022 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-22-031528 · doc4.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,688

F1 · price: The Reporting Person was granted restricted stock units ("RSUs"), which represent a contingent right to receive one share of Common Stock for each RSU. The RSUs were received in lieu of cash retainers for board and committee compensation. The RSUs will vest one month from the grant date.

SEC source: 0000899243-22-026460 · doc4.xml · nonDerivative · entry 2

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 298,300

F2 · price: This transaction was executed in multiple trades through a broker-dealer at prices ranging from $1.37 - $1.51. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of shares sold at each price.

SEC source: 0000899243-22-026460 · doc4.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 281,639

F1 · price: This transaction was executed in multiple trades through a broker-dealer at prices ranging from $1.31 - $1.44. The price reported in this column reflects the weighted average sales price. Upon request, the reporting person will provide to the SEC staff full information regarding the number of shares sold at each price.

SEC source: 0000899243-22-025320 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,852.368

Underlying: Common Stock · 13,854.975 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $1.850 per Deferred Stock Unit acquired on July 1, 2022. The price of each Deferred Stock Unit acquired prior to July 1, 2022 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-22-013870 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,997.393

Underlying: Common Stock · 9,307.809 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $2.753 per Deferred Stock Unit acquired on April 1, 2022. The price of each Deferred Stock Unit acquired prior to April 1, 2022 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-22-010698 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2032-03-09

F1 · derivative.exercise_date: The option vests in full on the one-year anniversary of the date of grant, provided that the Reporting Person continues to serve on the Issuer's Board of Directors through such date.

SEC source: 0000899243-22-005239 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2032-02-04

F1 · derivative.exercise_date: Option awarded in accordance with the Agenus Inc. 2019 Equity Incentive Plan, as amended, and will vest on February 4, 2023.

SEC source: 0000899243-22-000866 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,689.584

Underlying: Common Stock · 6,391.991 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $4.009 per Deferred Stock Unit acquired on January 3, 2022. The price of each Deferred Stock Unit acquired prior to January 3, 2022 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-21-039305 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,297.593

Underlying: Common Stock · 4,451.32 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $5.757 per Deferred Stock Unit acquired on October 1, 2021. The price of each Deferred Stock Unit acquired prior to October 1, 2021 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-21-027312 · doc4.xml · derivative · entry 2

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,846.273

Underlying: Common Stock · 6,707.279 shares

Expires not disclosed

F2 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F4 · price: $3.820 per Deferred Stock Unit acquired on July 1, 2021. The price of each Deferred Stock Unit acquired prior to July 1, 2021 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F3 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F3 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0000899243-21-024971 · doc4.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,063

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 · shares: On June 16, 2020, Mr. Wiinberg was granted 16,853 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 16, 2021, this award vested in full and Mr. Wiinberg was issued the underlying 16,853 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

F1 · price: On June 16, 2020, Mr. Wiinberg was granted 16,853 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 16, 2021, this award vested in full and Mr. Wiinberg was issued the underlying 16,853 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

SEC source: 0000899243-21-027312 · doc4.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2030-12-17

F1 · derivative.exercise_date: Option was granted on January 1, 2021, subject to shareholder approval of an increase to the available pool under the Company's 2019 Equity Incentive Plan ("2019 Plan"), which was obtained at the Company's annual shareholder meeting on June 15, 2021. Option awarded in accordance with the 2019 Plan. Option vests in full on December 17, 2022.

SEC source: 0001745285-21-000015 · primary_doc.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,098.9

Underlying: Common Stock · 6,959.905 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $3.682 per Deferred Stock Unit acquired on April 1, 2021. The price of each Deferred Stock Unit acquired prior to April 1, 2021 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0001745285-21-000004 · primary_doc.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,179.09

Underlying: Common Stock · 5,896.535 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $3.780 per Deferred Stock Unit acquired on January 4, 2021. The price of each Deferred Stock Unit acquire prior to January 4, 2021 is the average of the closing price for the Company's Common Stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's Common Stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's Common Stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0001745285-20-000051 · primary_doc.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,000

Underlying: Common Stock · 100,000 shares

Expires 2030-12-17

F1 · derivative.exercise_date: Stock Option awarded in accordance with the Agenus Inc. 2019 Equity Incentive Plan. The Stock Option vests in full on December 17, 2021 (provided Mr. Wiinberg continues to serve on the board on such date).

SEC source: 0001745285-20-000035 · primary_doc.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,282.555

Underlying: Common Stock · 6,464.583 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $3.964 per Deferred Stock Unit acquired on October 1, 2020. The price of each Deferred Stock Unit acquired prior to October 1, 2020 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquire pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to be a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to be a director of the Company.

SEC source: 0001745285-20-000024 · primary_doc.xml · derivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,817.972

Underlying: Common Stock · 8,398.143 shares

Expires not disclosed

F1 · derivative.exercise_price: Deferred Stock Units convert to shares of Common Stock on a 1 for 1 basis.

F3 · price: $3.051 per Deferred Stock Unit acquired on July 1, 2020. The price of each Deferred Stock Unit acquired prior to July 1, 2020 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such Deferred Stock Unit was acquired pursuant to the Plan.

F2 · derivative.exercise_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

F2 · derivative.expiration_date: Acquired under the Agenus Inc. Amended and Restated Directors' Deferred Compensation Plan, as amended (the "Plan"). Deferred Stock Units represent an equal amount of the Company's common stock to be distributed under the terms of the Plan, typically once the director ceases to serve as a director of the Company.

SEC source: 0001745285-20-000020 · primary_doc.xml · derivative · entry 2

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,338 shares

Expires not disclosed

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 · derivative.exercise_price: On June 19, 2019, Mr. Wiinberg was granted 20,338 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 19, 2020, this award vested in full and Mr. Wiinberg was issued the underlying 20,338 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

F1 · shares: On June 19, 2019, Mr. Wiinberg was granted 20,338 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 19, 2020, this award vested in full and Mr. Wiinberg was issued the underlying 20,338 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

F1 · price: On June 19, 2019, Mr. Wiinberg was granted 20,338 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 19, 2020, this award vested in full and Mr. Wiinberg was issued the underlying 20,338 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

F1 · derivative.exercise_date: On June 19, 2019, Mr. Wiinberg was granted 20,338 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 19, 2020, this award vested in full and Mr. Wiinberg was issued the underlying 20,338 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

F1 · derivative.expiration_date: On June 19, 2019, Mr. Wiinberg was granted 20,338 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 19, 2020, this award vested in full and Mr. Wiinberg was issued the underlying 20,338 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

SEC source: 0001745285-20-000020 · primary_doc.xml · nonDerivative · entry 1

WIINBERG ULF · CIK 0001187314 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,210

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 · shares: On June 19, 2019, Mr. Wiinberg was granted 20,338 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 19, 2020, this award vested in full and Mr. Wiinberg was issued the underlying 20,338 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.

F1 · price: On June 19, 2019, Mr. Wiinberg was granted 20,338 Restricted Stock Units as part of his annual compensation for service on the Executive Committee of the Agenus Inc. Board of Directors. On June 19, 2020, this award vested in full and Mr. Wiinberg was issued the underlying 20,338 shares of common stock, all in accordance with the Agenus Inc. 2019 Equity Incentive Plan.