TIMOTHY A. SPRINGER - 03 Apr 2025 SCHEDULE 13D/A Report for Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share (TECX)

Filing Manager
TIMOTHY A. SPRINGER
Reporting Manager
Timothy A. Springer
Security
Tectonic Therapeutic, Inc. Common Stock, $0.0001 par value per share
Symbol
TECX
Shares outstanding
13,693,835 shares
Disclosed Ownership
4,313,558 shares
Ownership
31.5%
Form type
SCHEDULE 13D/A
Filing time
07 Apr 2025, 19:20:07 UTC
Date of event
03 Apr 2025
Previous filing
10 Feb 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Timothy A. Springer 31.5% 4,313,558 4,313,558 0 /s/ Timothy A. Springer Timothy A. Springer 0001055624
TAS Partners LLC 7.4% 1,382,723 1,382,723 0 /s/ Timothy A. Springer Timothy A. Springer/Manager 0001677543
Chafen Lu 1% 186,134 186,134 0 /s/ Chafen Lu Chafen Lu