SEC Form 4 · accession 0002023849-26-000012
Tectonic Therapeutic, Inc. · TECX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Marcella K. Ruddy
Officer — Chief Medical Officer
Period of report
Sep 3, 2026
Accepted (ET)
Sep 8, 2026 · 4:45 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001681087
Table I — non-derivative securities
No Table I lines on this filing.
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)F1 | $29.92 | Sep 3, 2026 | A | 24,250 | A | — | Sep 2, 2036 | Common Stock | 24,250 | 24,250 | D |
Explanation of responses
- F11/8th of the shares subject to the option vest on September 3, 2026 with the remaining shares subject to the option vesting in the following 42 equal monthly installments beginning on October 3, 2026, subject to the Reporting Person's continued service to the Issuer on each such vesting date.