Tectonic Therapeutic: CEO Reicin Alise sold 1,545 shares

What happened

• Reicin Alise, CEO, had 1,545 shares withheld by the issuer to satisfy tax withholding related to the vesting and settlement of restricted stock units; the filing reports a price of $23.67 and total value $36,570.

Key details

• Transaction date: Sep 25, 2026; filing date: Oct 2, 2026 (filed more than two business days after the transaction).
• Price and value: $23.67 per share, $36,570 total.
• Shares owned after the transaction: not reported in the filing.
• Transaction code: F (tax withholding).
• Footnotes: F1 states the withholding satisfied tax obligations for RSUs granted Sep 25, 2025; F2 notes some shares are held by the Reicin-Boiarsky Family Trust, where the reporting person’s spouse is co-trustee and the reporting person disclaims beneficial ownership except for pecuniary interest.

Why it may matter

• The shares were withheld to cover tax obligations on vested restricted stock units rather than sold on the open market as a separate trade.
• This filing does not show why the insider traded or why the company acted.