InsiderTrades

Form 4 for TECX Tectonic Therapeutic, Inc.

Accepted 2025-12-29 00:00:00 ET · period of report 2025-12-22 · accession 0002023255-25-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-12-29 2025-12-22 TECX McNamara Peter CSO M - OptEx $2.98 +7,000 40.9K +21% +$20.9K
D 2025-12-29 2025-12-22 TECX McNamara Peter CSO M - OptEx — -7,000 25.1K -22% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-22 M A 7,000 $2.98 40,879 D — —
2 Derivative Employee Stock Option (Right to Buy) 2025-12-22 M D 7,000 — 25,065 D $2.98 · — to 2032-06-26 7,000 Common Stock (F2) Received in exchange for a stock option to acquire 60,000 shares of common stock pursuant to that certain merger, as more fully described on the Reporting Person's Form 4 filed with the Securities and Exchange Commission on June 24, 2024. https://www.sec.gov/Archives/edgar/data/1681087/000141588924017962/xslF345X05/form4-06242024_080611.xml (F1) The shares subject to the option vest in 48 equal monthly installments beginning on June 27, 2022, subject to the Reporting Person's continued service to the Issuer on each such vesting date.