SEC Form 4 · accession 0001055624-26-000003
Tectonic Therapeutic, Inc. · TECX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Timothy A Springer
Director · 10% Owner
Period of report
Jun 9, 2026
Accepted (ET)
Jun 10, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F1 | $28.56 | Jun 9, 2026 | A | 10,200 | A | — | Jun 8, 2036 | Common Stock | 10,200 | 10,200 | D |
Explanation of responses
- F1The option shall vest in full on the earliest of (i) June 9, 2027, (ii) the date of the Issuer's 2027 Annual Meeting of Stockholders, or (iii) a "Change in Control" (as defined in the Issuer's 2024 Equity Incentive Plan) of the Issuer, subject in each case, to the Reporting Person providing continuous service to the Issuer on each such date.