SUSQUEHANNA SECURITIES, LLC - 31 Dec 2025 SCHEDULE 13G/A Report for CleanSpark, Inc. Common Stock, $0.001 par value per share (CLSK)

Filing Manager
SUSQUEHANNA SECURITIES, LLC
Reporting Manager
G1 Execution Services, LLC
Security
CleanSpark, Inc. Common Stock, $0.001 par value per share
Symbol
CLSK
Shares outstanding
258,011,313 shares
Disclosed Ownership
12,384,543 shares
Ownership
4.8%
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 17:11:47 UTC
Date of event
31 Dec 2025
Previous filing
13 Nov 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
G1 Execution Services, LLC 4.8% 12,384,543 4,981 12,384,543 /s/ Brian Sopinsky Brian Sopinsky, Secretary
SIG Brokerage, LP 4.8% 12,384,543 6,779 12,384,543 /s/ Brian Sopinsky Brian Sopinsky, Assistant Secretary
Susquehanna Investment Group 4.8% 12,384,543 2,530,000 12,384,543 /s/ Brian Sopinsky Brian Sopinsky, General Counsel
Susquehanna Securities, LLC 4.8% 12,384,543 9,842,783 12,384,543 /s/ Brian Sopinsky Brian Sopinsky, Secretary