Timothy A. Springer - Feb 5, 2025 Form 4 Insider Report for Tectonic Therapeutic, Inc. (TECX)

Role: Director, 10%+ Owner
Signature: /s/ Daniel Lochner, Attorney-in-Fact
Stock symbol: TECX
Transactions as of: Feb 5, 2025
Transactions value $: $39,999,977
Form type: 4
Date filed: 2/7/2025, 04:21 PM
Previous filing: Jan 15, 2025
Next filing: Mar 20, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TECX	Common Stock	Purchase	$7M	+129K	+3.16%	$54.14	4.23M	Feb 5, 2025	Direct	F1
transaction	TECX	Common Stock	Purchase	$33M	+660K	+212.75%	$50.00	970K	Feb 5, 2025	By LLC	F1, F2
holding	TECX	Common Stock						186K	Feb 5, 2025	By Spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares of common stock were purchased in a private placement transaction on February 5, 2025, which was previously announced on the Issuer's Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 3, 2025. These shares were offered and sold in reliance on the exemption afforded by Regulation D of the Securities Act of 1933, as amended.
F2	These shares are held by TAS Partners LLC ("TAS"). The Reporting Person is the sole managing member of TAS and, as such, has sole voting and dispositive power over the shares held by TAS. The Reporting Person disclaims beneficial ownership of the shares held by TAS except to the extent of his 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.

Content

These shares of common stock were purchased in a private placement transaction on February 5, 2025, which was previously announced on the Issuer's Current Report on Form 8-K, filed with the Securities and Exchange Commission on February 3, 2025. These shares were offered and sold in reliance on the exemption afforded by Regulation D of the Securities Act of 1933, as amended.

These shares are held by TAS Partners LLC ("TAS"). The Reporting Person is the sole managing member of TAS and, as such, has sole voting and dispositive power over the shares held by TAS. The Reporting Person disclaims beneficial ownership of the shares held by TAS except to the extent of his 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.