Alise Reicin - 03 Sep 2026 Form 4 Insider Report for Tectonic Therapeutic, Inc. (TECX)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: TECX
Reported as of: 03 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Sep 2026, 16:45:05 UTC
Prior SEC filing: 23 Jun 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 08 Sep 2026.

Key facts

This page summarizes Alise Reicin's Form 4 filing for Tectonic Therapeutic, Inc. (TECX).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 08 Sep 2026, 16:45.

Change

Previous filing in this sequence was filed on 23 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: 08 Sep 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TECX transaction Derivative

Employee Stock Option (Right to Buy)

Award

Transaction value
Shares: +69,250
Change %
Price: $0.000000^*
Shares after: 69,250
Date: 03 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 69,250
Exercise price: $29.92
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

1/8th of the shares subject to the option vest on September 3, 2026 with the remaining shares subject to the option vesting in the following 42 equal monthly installments beginning on October 3, 2026, subject to the Reporting Person's continued service to the Issuer on each such vesting date.