SEC Form 4 · accession 0002023255-26-000007
Tectonic Therapeutic, Inc. · TECX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Peter McNamara
Officer — Chief Scientific Officer
Period of report
Aug 12, 2026
Accepted (ET)
Aug 14, 2026 · 7:25 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001681087
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 12, 2026 | M | 43 | $14.71 | A | 55,328 | D | |
| Common Stock | Aug 12, 2026 | S | 43 | $35.00 | D | 55,285 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy)F2 | $14.71 | Aug 12, 2026 | M | 43 | D | — | Sep 24, 2035 | Common Stock | 43 | 7,830 | D |
Explanation of responses
- F1This exercise and subsequent sale was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 14, 2025.
- F2The shares subject to the option vest in 48 equal monthly installments beginning on October 25, 2025, subject to the Reporting Person's continued service to the Issuer on each such vesting date.