Quick Takeaways
- SUSQUEHANNA SECURITIES, LLC filed SCHEDULE 13G/A for CleanSpark, Inc. Common Stock, $0.001 par value per share (CLSK).
- Disclosed ownership: 4.8%.
- Date of event: 31 Dec 2025.
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
- 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
Quoteable Key Fact
"SUSQUEHANNA SECURITIES, LLC disclosed 4.8% ownership in CleanSpark, Inc. Common Stock, $0.001 par value per share (CLSK) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 13 Nov 2025.
- Current filing was accepted on 13 Feb 2026, 17:11.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
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 |