Alise Reicin - 20 Jun 2026 Form 4 Insider Report for Tectonic Therapeutic, Inc. (TECX)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: TECX
Reported as of: 20 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Jun 2026, 17:52:01 UTC
Prior SEC filing: 18 Jun 2026
Next SEC filing: 08 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Daniel Lochner, Attorney-in-Fact

Key filing fact

Alise Reicin filed Form 4 for Tectonic Therapeutic, Inc. (TECX) on 23 Jun 2026.

Key facts

This page summarizes Alise Reicin's Form 4 filing for Tectonic Therapeutic, Inc. (TECX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Jun 2026, 17:52.

Change

Previous filing in this sequence was filed on 18 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001757533 Primary reporting owner

REICIN ALISE

Relationship: Chief Executive Officer, Director
Address: C/O TECTONIC THERAPEUTIC, INC., 490 ARSENAL WAY, SUITE 200, WATERTOWN
Signature: /s/ Daniel Lochner, Attorney-in-Fact
Signature date: 23 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TECX transaction

Common Stock

Tax liability

Transaction value
Shares: -924
Change %: -0.3%
Price: $30.34^*
Shares after: 310,623
Date: 20 Jun 2026
Ownership: Direct
Footnotes: F1

TECX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 127,030
Date: 20 Jun 2026
Ownership: By Trust
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

This transaction reported represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of the restricted stock units granted on December 4, 2024.

Footnote F2

These shares are held by the Reicin-Boiarsky Family Trust (the "Trust"). The Reporting Person's spouse is a co-trustee of the Trust. Accordingly, the Reporting Person may be deemed to have shared voting and dispositive power over the securities held by the Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Trust except to the extent of her pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.