FANG insider trading — Diamondback Energy, Inc.
Over the last 90 days, insiders at Diamondback Energy, Inc. (FANG) made 0 open-market purchases worth $0 and 10 open-market sales worth $3.75B, making them net sellers by $3.75B. The largest sale was by Sgf Fang Holdings, Lp, Greth Lyndal (10% Owner), who sold 18,159,350 shares for $3.73B on Sep 16, 2026.
Updated Oct 16, 2026.
Recent FANG insider transactions
Every Form 4 filed by Diamondback Energy, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | Meloy Charles Alvin | Director | S · Sale · 10b5-1 | Indirect | 33,333 | $183.74 | $6.12M | Form 4 |
| Sep 16, 2026 | Sgf Fang Holdings, Lp, Greth Lyndal | 10% Owner | S · Sale | Direct | 18,159,350 | $205.26 | $3.73B | Form 4 |
| Sep 16, 2026 | Meloy Charles Alvin | Director | G · Gift | Indirect | 25,000 | — | — | Form 4 |
| Sep 16, 2026 | Meloy Charles Alvin | Director | G · Gift | Direct | 25,000 | — | — | Form 4 |
| Sep 15, 2026 | Meloy Charles Alvin | Director | G · Gift | Indirect | 25,000 | — | — | Form 4 |
| Sep 15, 2026 | Meloy Charles Alvin | Director | G · Gift | Indirect | 25,000 | — | — | Form 4 |
| Sep 15, 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | S · Sale | Direct | 1,326 | $212.56 | $282K | Form 4 |
| Sep 15, 2026 | Dick Teresa L. | EVP Accounting, Assist. Sec. | S · Sale | Direct | 5,000 | $210.00 | $1.05M | Form 4 |
| Sep 11, 2026 | Stice Travis D. | Director | S · Sale | Direct | 75,000 | $204.31 | $15.32M | Form 4 |
| Sep 10, 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | F · Tax withholding | Direct | 861 | $202.63 | $174K | Form 4 |
| Sep 10, 2026 | Barkmann Albert | Exec. VP and Chief Engineer | F · Tax withholding | Direct | 682 | $202.63 | $138K | Form 4 |
| Aug 21, 2026 | Plaumann Mark Lawrence | Director | S · Sale | Direct | 1,000 | $210.58 | $211K | Form 4 |
| Aug 20, 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | S · Sale | Direct | 10,000 | $214.66 | $2.15M | Form 4 |
| Aug 20, 2026 | Wesson Daniel N | Exec. VP & COO | S · Sale | Direct | 7,500 | $215.21 | $1.61M | Form 4 |
| Aug 14, 2026 | Thompson Jere W Iii | CFO, Executive VP | S · Sale | Direct | 500 | $204.14 | $102K | Form 4 |
| Aug 14, 2026 | Zmigrosky Matt | EVP, Chief Legal and Admin Off | S · Sale | Direct | 2,500 | $202.77 | $507K | Form 4 |
| Aug 11, 2026 | Van'T Hof Matthew Kaes | Chief Executive Officer | S · Sale | Direct | 5,000 | $202.46 | $1.01M | Form 4 |
| Aug 3, 2026 | Meloy Charles Alvin | Director | S · Sale · 10b5-1 | Indirect | 33,333 | $198.41 | $6.61M | Form 4 |
FANG insider trading FAQ
Are insiders buying FANG stock?
Not on the open market. In the last 90 days, Diamondback Energy, Inc. insiders made no open-market purchases, and 10 open-market sales totaling $3.75B. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading FANG?
Recent sellers: Dick Teresa L., Plaumann Mark Lawrence, Sgf Fang Holdings, Lp, Greth Lyndal, Stice Travis D., Thompson Jere W Iii, Van'T Hof Matthew Kaes.
Where does FANG insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.