MARA Holdings, Inc. (MARA) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-17 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: MARA Holdings, Inc. (MARA) CIK: 0001507605 --- Reporting Owner --- Name: Thiel Frederick G CIK: 0001567383 Role: Director, Officer (Chief Executive Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-17 | Code: S (Open market sale) Shares: -27,505 | Price: $10.90 Total Value: $299,804.50 Shares Owned After: 4,471,403 | Ownership: D (Direct) Footnotes: [F1] The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025. --- Footnotes (Complete Index) --- F1: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 28, 2025. --- Signature --- /s/ /s/ Zabi Nowaid, Attorney-in-Fact for Fred Thiel (2026-07-20)