| 2026-08-21 | 8-K | 10.2 | Form of Support Agreement |
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| 2026-08-21 | 8-K | 10.1 | Form of Securities Purchase Agreement |
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| 2026-07-27 | 8-K | 10.1 | Rights Reacquisition Agreement, dated as of July 23, 2026, by and among Chiesi Farmaceutici S.p.A. and Chiesi USA, Inc., on the one hand; and Gossamer Bio USA, Inc. (formerly GB002, Inc.), Gossamer Bio 002 Ltd., and Gossamer Bio, Inc., on the other hand. |
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| 2026-07-15 | 8-K | 10.1 | Gossamer Bio, Inc. 2019 Incentive Award Plan, as Amended and Restated Effective May 18, 2026 |
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| 2026-06-05 | 8-K | 10.7 | Form of Voting Agreement (incorporated by reference to Exhibit 10.2 of the Company’s Current Report on Form 8-K filed on May 18, 2026). |
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| 2026-06-05 | 8-K | 10.6 | Form of Prefunded Warrant. |
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| 2026-06-05 | 8-K | 10.5 | Second Supplemental Indenture, dated as of June 4, 2026, by and between Gossamer Bio, Inc. and Wilmington Trust, National Association, as trustee, to the Indenture, dated as of May 21, 2020. |
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| 2026-06-05 | 8-K | 10.4 | Form of Purchase Warrant (included as Exhibit A to Exhibit 10.3). |
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| 2026-06-05 | 8-K | 10.3 | Purchase Warrant Agreement, dated as of June 4, 2026, by and between Gossamer Bio, Inc. and Computershare, Inc., as warrant agent. |
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| 2026-06-05 | 8-K | 10.2 | Form of 7.50% Convertible Senior Secured First Lien Notes due 2030 (included as Exhibit A to Exhibit 10.1). |
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| 2026-06-05 | 8-K | 10.1 | Indenture, dated as of June 4, 2026, by and among Gossamer Bio, Inc., the guarantors party thereto from time to time and U.S. Bank Trust Company, National Association, as trustee and collateral agent. |
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| 2026-05-18 | 8-K | 10.2 | Form of Voting Agreement |
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| 2026-05-18 | 8-K | 10.1 | Transaction Support Agreement, dated May 18, 2026, among Gossamer Bio, Inc., and the other parties thereto |
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| 2025-11-05 | 10-Q | 10.1 | Gossamer Bio, Inc. Performance Stock Unit Agreement under the 2019 Equity Incentive Plan |
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| 2025-03-13 | 10-K | 10.7 | Gossamer Bio, Inc. Non-Employee Director Compensation Program. |
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| 2024-08-12 | 10-Q | 10.1 | Collaboration and License Agreement dated May 3, 2024 by and among GB002, Inc., Gossamer Bio 002 Ltd. and Gossamer Bio, Inc. on the one hand and CHIESI Farmaceutici S.p.A and CHIESI USA, Inc. on the other hand. |
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| 2024-03-05 | 10-K | 10.15 | Employment Letter, dated November 25, 2023, by and between Robert Smith and the Registrant. |
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| 2024-03-05 | 10-K | 10.7 | Gossamer Bio, Inc. Non-Employee Director Compensation Program. |
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| 2023-11-27 | 8-K | 10.1 | Gossamer Bio, Inc. 2023 Employment Inducement Incentive Award Plan and Form of Stock Option Agreement thereunder. |
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| 2023-08-08 | 10-Q | 10.1 | Form of Option Repricing and Cancellation Agreement. |
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| 2023-07-20 | 8-K | 10.1 | Form of Securities Purchase Agreement |
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| 2023-03-17 | 10-K | 10.24 | Fourth Amendment to Credit, Guarantee and Security Agreement, dated February 14, 2023, by and among the Registrant, GB001, Inc., GB002, Inc. and GB004, Inc., as co-borrowers, the other guarantors from time to time party thereto and MidCap Financial Trust, as Agent and as a Lender and the additional lenders from time to time party thereto. |
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| 2023-03-17 | 10-K | 10.23 | Third Amendment to Credit, Guaranty and Security Agreement, dated December 7, 2022, by and among the Registrant, GB001, Inc., GB002, Inc. and GB004, Inc., as co-borrowers, the other guarantors from time to time party thereto and MidCap Financial Trust, as Agent and as a Lender and the additional lenders from time to time party thereto. |
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| 2023-03-17 | 10-K | 10.7 | Gossamer Bio, Inc. Non-Employee Director Compensation Program. |
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| 2022-08-09 | 10-Q | 10.1 | Second Amendment to Sublease Agreement, dated June 1, 2022, by and between The Medicines Company and the Registrant. |
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| 2022-07-13 | 8-K | 10.1 | Stock Purchase Agreement, dated July 12, 2022, by and among the Company and the Purchasers named therein. |
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| 2022-03-03 | 10-K | 10.7 | Gossamer Bio, Inc. Non-Employee Director Compensation Program. |
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| 2021-08-09 | 10-Q | 10.3 | Employment Letter, dated June 21, 2021, by and between Richard Aranda and the Registrant. |
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| 2021-08-09 | 10-Q | 10.2 | Employment Letter, dated May 1, 2021, by and between Laura Carter and the Registrant. |
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| 2021-08-09 | 10-Q | 10.1 | Employment Letter, dated April 16, 2021, by and between Caryn Peterson and the Registrant. |
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| 2021-05-06 | 10-Q | 10.1 | Gossamer Bio, Inc. Non-Employee Director Compensation Program |
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| 2021-02-26 | 10-K | 10.11 | Letter Agreement, dated November 16, 2020, by and between Faheem Hasnain and the Registrant. |
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| 2021-02-26 | 10-K | 10.10 | Transition Agreement, dated November 17, 2020, by and between Sheila Gujrathi, M.D. and the Registrant. |
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| 2020-08-11 | 10-Q | 10.2 | Amendment No. 1 to License Agreement, dated May 11, 2020, by and between GB004, Inc. and Aerpio Pharmaceuticals, Inc. |
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| 2020-07-02 | 8-K | 10.1 | Second Amendment to Credit, Guaranty and Security Agreement by and among Gossamer Bio, Inc., GB001, Inc., GB002, Inc. and GB004, Inc., as co-borrowers, the other guarantors from time to time party thereto and MidCap Financial Trust, as Agent and as a Lender and the additional lenders from time to time party thereto. |
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| 2020-05-12 | 10-Q | 10.1 | Gossamer Bio, Inc. Restricted Stock Unit Agreement under the 2019 Equity Incentive Plan. |
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| 2019-11-12 | 10-Q | 10.1 | First Amendment to Credit, Guaranty and Security Agreement, dated September 18, 2019, by and among GB001, Inc., as borrower, the Registrant, as guarantor, the other guarantors from time to time party thereto and MidCap Financial Trust, as Agent and as Lender, and the additional lenders from time to time party thereto. |
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| 2019-08-08 | 10-Q | 10.2 | Letter Agreement, dated June 3, 2019, by and between Feheem Hasnain and the Registrant |
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| 2019-05-03 | 8-K | 10.1 | Credit, Guaranty and Security Agreement by and among GB001, as borrower, Gossamer Bio, Inc., as guarantor, the other guarantors from time to time party thereto and MidCap Financial Trust, as Agent and as a Lender and the additional lenders from time to time party thereto, dated May 2, 2019. |
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