TANG CAPITAL MANAGEMENT LLC - 15 Oct 2025 SCHEDULE 13G Report for Keros Therapeutics, Inc. Common Stock, par value $0.0001 per share (KROS)

Filing Manager
TANG CAPITAL MANAGEMENT LLC
Reporting Manager
TANG CAPITAL MANAGEMENT, LLC
Security
Keros Therapeutics, Inc. Common Stock, par value $0.0001 per share
Symbol
KROS
Shares outstanding
30,620,051 shares
Disclosed Ownership
2,418,984 shares
Ownership
7.9%
Form type
SCHEDULE 13G
Filing time
22 Oct 2025, 21:26:29 UTC
Date of event
15 Oct 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
TANG CAPITAL MANAGEMENT, LLC 7.9% 2,418,984 0 2,418,984 Kevin Tang Manager
KEVIN TANG 7.9% 2,418,984 0 2,418,984 Kevin Tang Self
TANG CAPITAL PARTNERS, LP 5.2% 1,579,237 0 1,579,237 Kevin Tang Manager, Tang Capital Management, LLC, General Partner
TANG CAPITAL PARTNERS INTERNATIONAL, LP 2.7% 839,747 0 839,747 Kevin Tang Manager, Tang Capital Management, LLC, General Partner
TANG CAPITAL PARTNERS III, INC 0% 0 0 0 Kevin Tang Chief Executive Officer
TANG CAPITAL PARTNERS IV, INC 0% 0 0 0 Kevin Tang Chief Executive Officer