AVENIR CORP - 31 Dec 2025 SCHEDULE 13G/A Report for Cytosorbents Corp Common Stock (CTSO)

Filing Manager: AVENIR CORP
Reporting Manager: AVENIR CORP
Security: Cytosorbents Corp Common Stock
Symbol: CTSO
Shares outstanding: 63,013,241 shares
Disclosed Ownership: 5,230,099 shares
Ownership: 8.3%
Form type: SCHEDULE 13G/A
Filing time: 13 Feb 2026, 17:56:29 UTC
Date of event: 31 Dec 2025
Previous filing: 14 Feb 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
AVENIR CORP	8.3%	5,230,099		5,230,099	James H. Rooney	President
James H. Rooney	8.3%			5,230,099	James H. Rooney	President