| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Schwabish Marc | Chief Business Officer | C/O TECTONIC THERAPEUTIC, INC., 490 ARSENAL WAY, SUITE 200, WATERTOWN | /s/ Daniel Lochner, Attorney-in-Fact | 12 Feb 2026 | 0002023175 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TECX | Common Stock | Options Exercise | $10,710 | +4,500 | +21% | $2.38 | 25,814 | 10 Feb 2026 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TECX | Employee Stock Option (Right to Buy) | Options Exercise | -4,500 | -5.2% | 82,014 | 10 Feb 2026 | Common Stock | 4,500 | $2.38 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The shares subject to the option vest as to 25% of the shares on March 15, 2022 with the remainder vesting in the following 36 equal monthly installments, subject to the Reporting Person's continued service on each such vesting date. |
| F2 | Received in exchange for a stock option to acquire 170,679 shares of Tectonic common stock pursuant to that certain merger, as more specifically described in the Reporting Person's Form 4 filed with the Securities and Exchange Commission on June 24, 2024. https://www.sec.gov/Archives/edgar/data/1681087/000141588924017972/xslF345X05/form4-06242024_080616.xml |