Orin Hirschman - 31 Dec 2025 SCHEDULE 13G/A Report for ARQ, Inc Common Stock, $0.001 par value (ARQ)

Filing Manager: Orin Hirschman
Reporting Manager: Orin Hirschman
Security: ARQ, Inc Common Stock, $0.001 par value
Symbol: ARQ
Shares outstanding: 42,602,586 shares
Disclosed Ownership: 2,470,950 shares
Ownership: 5.8%
Form type: SCHEDULE 13G/A
Filing time: 28 Jan 2026, 14:06:31 UTC
Date of event: 31 Dec 2025
Previous filing: 29 Jan 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Orin Hirschman	5.8%	2,470,950	2,470,950	0	/s/ Orin Hirschman	Orin Hirschman
AIGH Capital Management LLC	5.3%	2,273,092	2,273,092	0	/s/ Orin Hirschman	Orin Hirschman, Managing Member