Timothy A. Springer - Apr 3, 2025 Form SCHEDULE 13D/A Schedule Report for Tectonic Therapeutic, Inc. (TECX)

Filing Manager: SPRINGER TIMOTHY A
Reporting Manager: Timothy A. Springer
Security: Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share
Symbol: TECX
Shares outstanding: 13.7M shares
Disclosed Ownership: 4.31M shares
Ownership: 31.5%
Form type: SCHEDULE 13D/A
Date filed: 4/7/2025, 07:20 PM
Date of event: Apr 3, 2025
Previous filing: Feb 10, 2025
SEC: View on sec.gov

Reporting Managers (3)

Name	Ownership	Shares Owned	sole voting power	Signature	Title	CIK
Timothy A. Springer	31.5%	4.31M	4.31M	/s/ Timothy A. Springer	Timothy A. Springer	0001055624
TAS Partners LLC	7.4%	1.38M	1.38M	/s/ Timothy A. Springer	Timothy A. Springer/Manager	0001677543
Chafen Lu	1%	186K	186K	/s/ Chafen Lu	Chafen Lu