| 2026-02-26 | 10-K | 10.4 | Non-Employee Director Compensation Policy of Tectonic Therapeutic, Inc. |
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| 2025-03-20 | 10-K | 10.17 | Offer Letter dated May 28, 2024, by and between Tectonic Therapeutic, Inc. and Daniel Lochner. |
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| 2025-02-03 | 8-K | 10.2 | Form of Registration Rights Agreement. |
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| 2025-02-03 | 8-K | 10.1 | Form of Securities Purchase Agreement. |
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| 2024-11-12 | 10-Q | 10.1 | Non-Employee Director Compensation Policy of Tectonic Therapeutic, Inc. |
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| 2024-07-05 | 8-K | 10.1 | Separation Agreement, dated July 5, 2024, between Tectonic Therapeutic, Inc. and Christian Cortis. |
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| 2024-06-20 | 8-K | 10.8 | Tectonic Therapeutic, Inc. 2024 Employee Stock Purchase Plan. |
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| 2024-06-20 | 8-K | 10.7 | Forms of Option Grant Notice, Option Agreement and Notice of Exercise under Tectonic Therapeutic, Inc. 2024 Equity Incentive Plan. |
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| 2024-06-20 | 8-K | 10.6 | Tectonic Therapeutic, Inc. 2024 Equity Incentive Plan. |
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| 2024-06-20 | 8-K | 10.4 | Amended and Restated Employment Agreement, dated as of June 20, 2024, by and between Tectonic Therapeutic, Inc. and Alise Reicin, M.D. |
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| 2024-06-20 | 8-K | 10.3 | Subscription Agreement, dated as of January 30, 2024, by and among Tectonic and the purchasers thereunder. |
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| 2024-06-20 | 8-K | 10.2 | Form of Indemnification Agreement between Tectonic Therapeutic, Inc. and each of its directors and executive officers. |
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| 2024-06-20 | 8-K | 10.1 | Contingent Value Rights Agreement dated June 20, 2024, by and between Tectonic Therapeutic, Inc. and Computershare Trust Company, LLC. |
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| 2024-01-30 | 8-K | 10.4 | Form of Contingent Value Rights Agreement |
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| 2024-01-30 | 8-K | 10.3 | Form of Lock-Up Agreement |
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| 2024-01-30 | 8-K | 10.2 | Form of AVRO Support Agreement |
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| 2024-01-30 | 8-K | 10.1 | Form of Tectonic Support Agreement |
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| 2023-08-10 | 10-Q | 10.4 | Executive Retention Payment Agreement, by and between the Registrant and Essra Ridha dated June 26, 2023 |
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| 2023-08-10 | 10-Q | 10.3 | Executive Retention Payment Agreement, by and between the Registrant and Azadeh Golipour dated June 26, 2023 |
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| 2023-08-10 | 10-Q | 10.2 | Executive Retention Payment Agreement, by and between the Registrant and Steven Avruch dated June 26, 2023 |
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| 2023-08-10 | 10-Q | 10.1 | Executive Retention Payment Agreement, by and between the Registrant and Erik Ostrowski dated June 26, 2023 |
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| 2022-08-09 | 10-Q | 10.3 | Amended and Restated Master Services Agreement, by and between the Registrant and Miltenyi Biotec, Inc., dated November 20, 2021. |
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| 2022-06-10 | 8-K | 10.1 | Second Amendment to the AVROBIO, Inc. 2018 Stock Option and Incentive Plan |
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| 2022-05-10 | 10-Q | 10.1 | Amendment No. 2 to Employment Agreement, dated April 25, 2022, by and between the Registrant and Chris Mason. |
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| 2022-03-17 | 10-K | 10.22 | Employment Agreement, by and between the Registrant and Essra Ridha, dated October 6, 2021 |
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| 2021-11-04 | 10-Q | 10.1 | Loan and Security Agreement, dated November 2, 2021, by and among the Registrant, the lenders party thereto from time to time and Silicon Valley Bank, as administrative agent and collateral agent. |
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| 2021-05-13 | 10-Q | 10.6 | AMENDMENT TO EMPLOYMENT AGREEMENT, BY AND BETWEEN THE REGISTRANT AND DEANNA PETERSEN, DATED APRIL 5, 2021. |
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| 2021-05-13 | 10-Q | 10.5 | AMENDMENT TO EMPLOYMENT AGREEMENT, BY AND BETWEEN THE REGISTRANT AND CHRIS MASON, DATED APRIL 5, 2021. |
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| 2021-05-13 | 10-Q | 10.4 | AMENDMENT TO EMPLOYMENT AGREEMENT, BY AND BETWEEN THE REGISTRANT AND DIANA ESCOLAR, MD, DATED APRIL 5, 2021. |
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| 2021-05-13 | 10-Q | 10.3 | AMENDMENT TO EMPLOYMENT AGREEMENT, BY AND BETWEEN THE REGISTRANT AND STEVEN AVRUCH, DATED APRIL 5, 2021. |
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| 2021-05-13 | 10-Q | 10.2 | AMENDMENT TO EMPLOYMENT AGREEMENT, BY AND BETWEEN THE REGISTRANT AND ERIK OSTROWSKI, DATED APRIL 5, 2021. |
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| 2021-05-13 | 10-Q | 10.1 | AMENDMENT TO EMPLOYMENT AGREEMENT, BY AND BETWEEN THE REGISTRANT AND GEOFF MACKAY, DATED APRIL 5, 2021. |
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| 2021-03-18 | 10-K | 10.25 | 2020 Inducement Plan and form of award agreement thereunder |
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| 2021-03-18 | 10-K | 10.20 | Employment Agreement, by and between the Registrant and Diana Escolar, dated December 4, 2020 |
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| 2021-03-18 | 10-K | 10.19 | Employment Agreement, by and between the Registrant and Chris Mason, dated September 1, 2018 |
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| 2020-08-06 | 10-Q | 10.2 | Separation Agreement and Release, by and between the Registrant and Birgitte Volck, M.D., Ph.D., dated July 16, 2020. |
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| 2020-06-09 | 8-K | 10.1 | First Amendment to the AVROBIO, Inc. 2018 Stock Option and Incentive Plan. |
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| 2020-03-16 | 10-K | 10.16 | Employment Agreement, by and between the Registrant and Deanna Petersen, dated September 1, 2018 |
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| 2020-03-16 | 10-K | 10.8 | Amendment No. 2 to License Agreement, by and between the Registrant and BioMarin Pharmaceutical Inc., dated January 7, 2020 |
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| 2020-03-16 | 10-K | 10.7 | Amendment No. 1 to License Agreement, by and between the Registrant and BioMarin Pharmaceutical Inc., dated February 21, 2018 |
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| 2019-03-25 | 10-K | 10.15 | Employment Agreement, by and between the Registrant and Birgitte Volck, M.D., Ph.D., dated December 17, 2018 |
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| 2019-03-25 | 10-K | 10.14 | Consulting Agreement, by and between the Registrant and Birgitte Volck, M.D., Ph.D., dated December 17, 2018 |
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| 2019-03-25 | 10-K | 10.13 | Employment Agreement, by and between the Registrant and Steven Avruch, dated December 17, 2018 |
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| 2019-01-11 | 8-K/A | 10.2 | Separation Agreement and Release, dated January 10, 2019, by and between the Company and Nerissa Kreher, M.D. |
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| 2019-01-11 | 8-K/A | 10.1 | Separation Agreement and Release, dated January 8, 2019, by and between the Company and Katina Dorton. |
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| 2018-12-21 | 8-K | 10.1 | Employment Agreement, dated December 17, 2018, by and between the Company and Erik Ostrowski. |
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