Form4insider filings, from the source

Company · CIK 0001681087 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

Tectonic Therapeutic, Inc. · TECX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 3, 2026 AForm 4 →Sep 8, 4:45 pm EDTMarc SchwabishChief Business Officer17,750——17,750—
Sep 3, 2026 AForm 4 →Sep 8, 4:45 pm EDTPeter McNamaraChief Scientific Officer21,000——21,000—
Sep 3, 2026 AForm 4 →Sep 8, 4:45 pm EDTDaniel LochnerChief Financial Officer24,250——24,250—
Sep 3, 2026 AForm 4 →Sep 8, 4:45 pm EDTMarcella K. RuddyChief Medical Officer24,250——24,250—
Sep 3, 2026 AForm 4 →Sep 8, 4:45 pm EDTAlise ReicinChief Executive Officer, Director69,250——69,250—