Frederick G. Thiel, Chief Executive Officer and Director of MARA Holdings, Inc., filed a Form 4 on November 3, 2026, disclosing two transactions in the company's common stock dated October 30 and November 2, 2026.

Key Highlights

  • Tax withholding on RSU vesting: 40,496 shares of common stock were withheld on October 30, 2026, at $6.77 per share to cover Thiel's tax liability in connection with vesting restricted stock units.
  • Open-market sale: 27,505 shares were sold on November 2, 2026, at $6.79 per share pursuant to a Rule 10b5-1 trading plan.
  • 10b5-1 plan date: According to the filing, the trading plan was adopted by Thiel on June 9, 2026.
  • Remaining direct ownership: Following both transactions, Thiel directly beneficially owned 4,149,585 shares of common stock.
  • Issuer: MARA Holdings, Inc., listed on NASDAQ:MARA.

Thiel's October and November 2026 Common Stock Transactions at MARA Holdings

According to the Form 4 filed on November 3, 2026, Frederick G. Thiel, who serves as both Chief Executive Officer and Director of MARA Holdings, Inc., reported two separate transactions in the company's common stock. The first, coded "F," occurred on October 30, 2026, and involved 40,496 shares disposed of at $6.77 per share. The filing states this transaction "reflects shares of the issuer's common stock withheld to cover the reporting person's tax liability in connection with the vesting of restricted stock units" and notes that it "was not an open market sale by the reporting person."

The second transaction, coded "S," took place on November 2, 2026, and involved the sale of 27,505 shares at $6.79 per share. The filing states that this sale "was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2026." The Form 4 also carries a checkbox indicating the transaction was made pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

After both transactions, Thiel's direct beneficial ownership in MARA Holdings common stock stood at 4,149,585 shares, according to the filing. All reported ownership is held directly. The form was signed by Zabi Nowaid as Attorney-in-Fact for Fred Thiel and filed on November 3, 2026.

What Was Disclosed

The filing disclosed two dispositions of MARA Holdings common stock by CEO Frederick G. Thiel: a tax-withholding share reduction tied to RSU vesting on October 30, 2026, and a Rule 10b5-1 plan sale on November 2, 2026, leaving him with 4,149,585 shares directly owned.