MARA Holdings CEO Frederick Thiel Executes Sale of 27,505 Shares Under Rule 10b5-1 Plan

4 min read | July 20, 2026 04:22 PM PDT | By Manish Choudhary

Frederick G. Thiel, CEO and Director of MARA Holdings, Inc., disclosed the sale of 27,505 common shares on July 17, 2026, at $10.94 per share. This transaction was conducted under a Rule 10b5-1 trading plan established by Thiel on May 28, 2025. After the sale, Thiel retains direct ownership of 4,471,403 shares in the company.

Key Points

  • NASDAQ ticker: MARA
  • CEO Frederick G. Thiel sold 27,505 shares on July 17, 2026
  • Sale price: $10.94 per share; Thiel holds 4,471,403 shares post-sale
  • Sale executed under Rule 10b5-1 trading plan adopted on May 28, 2025

Stock Sale Transaction Details

Frederick G. Thiel, serving as both CEO and Director of MARA Holdings, Inc., completed the sale of 27,505 common stock shares on July 17, 2026, at $10.94 each. This routine sale by a senior executive does not indicate any change in Thiel's role or commitment. The transaction involved a specific number of shares sold on a single date.

Following this sale, Thiel's direct beneficial ownership stands at 4,471,403 shares, reflecting a significant equity stake held personally rather than through intermediaries or trusts.

Rule 10b5-1 Trading Plan Explanation

The sale was conducted pursuant to a Rule 10b5-1 trading plan adopted on May 28, 2025. Such plans allow insiders to prearrange trades, providing legal protection by demonstrating that transactions are scheduled in advance and not based on material nonpublic information.

The transaction complied with Rule 10b5-1(c) affirmative defense conditions, confirming that Thiel’s trading plan was established well before the July 2026 sale and eliminates discretion over timing and volume that could raise insider trading concerns.

Thiel’s Leadership and Ownership at MARA Holdings

Frederick G. Thiel holds dual roles as Director and CEO of MARA Holdings, responsible for strategic and operational oversight. He remains subject to Section 16 reporting requirements as a key insider of this NASDAQ-listed company.

His retention of over 4.4 million shares after this sale highlights his strong financial alignment with MARA Holdings’ performance and shareholder interests. Such significant ownership is often viewed positively by investors as a sign of management confidence.

Insider Trading Compliance and Disclosure

The filing complies with Section 16(a) of the Securities Exchange Act of 1934, mandating insiders to report changes in beneficial ownership. The Form 4, filed on July 20, 2026, documents the July 17 transaction and was signed by Thiel’s attorney-in-fact, Zabi Nowaid.

This disclosure ensures transparency for shareholders and regulators, establishing an official record of insider transactions. The filing confirms Thiel acted individually, with no joint insider involvement.

Corporate Address and Structure

Thiel’s address is listed as c/o MARA Holdings, Inc., 1010 South Federal Highway, Suite 2700, Hallandale Beach, Florida 33009, the company’s headquarters. This reflects his close operational integration with MARA Holdings.

MARA Holdings, Inc. trades on NASDAQ under the symbol MARA and operates under U.S. securities laws and NASDAQ listing standards. No foreign listings or alternate trading symbols are indicated.

Beneficial Ownership Post-Sale

After selling 27,505 shares, Thiel holds 4,471,403 shares in direct beneficial ownership, meaning he controls these shares personally without intermediaries. The filing does not disclose any indirect holdings.

Investors typically monitor such insider ownership levels, though the filing does not specify percentage ownership or total outstanding shares.

Timing and Market Context of the Transaction

The sale occurred on July 17, 2026, with the Form 4 filed three days later on July 20, 2026, aligning with SEC requirements to report insider trades within two business days. The $10.94 per share sale price provides a transparent record of the transaction value.

The filing does not comment on market conditions or company performance related to the timing, focusing solely on the pre-established trading plan.

Investor Implications of Pre-Planned Trading

By adopting a Rule 10b5-1 plan, Thiel demonstrates disciplined management of his equity holdings, ensuring trades are pre-scheduled and compliant with insider trading laws. This approach is common among executives seeking to diversify or meet financial goals while avoiding regulatory issues.

For investors, such pre-planned sales reduce speculation about insider motives, framing transactions as routine executions of established plans. The plan’s adoption over a year before the sale indicates the divestment was arranged during a period with potentially different company insights.


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