Tectonic Therapeutic, Inc. 4

Chief Scientific Officer Peter McNamara exercised 43 options and sold 43 shares of Tectonic Therapeutic, Inc. common stock in a small, pre-planned transaction.

On August 25, 2026, Peter McNamara, Chief Scientific Officer of Tectonic Therapeutic, Inc., exercised an employee stock option to acquire 43 shares of common stock at an exercise price of $14.71 per share and immediately sold the same 43 shares at $36.52 per share pursuant to a Rule 10b5-1 trading plan, resulting in a small, pre-planned, cashless-type transaction while leaving him with beneficial ownership of 55,285 shares of common stock and 7,787 option shares outstanding. The option, originally granted at $14.71, vests in 48 equal monthly installments beginning October 25, 2025, and the reported exercise and sale represent a routine compensation-related transaction rather than a directional change in his economic exposure to the company.

Filing Facts

CIK

1681087

Ticker

TECX

Form

4

Source Type

fda

Accession

0002023255-26-000009

Alert Tier

5