Diamondback Energy, Inc. (FANG) Insider Trading
Over the last 3 months, FANG insiders made 0 open-market buys and 56 sales, a net sale of -$2.2B (SEC Form 4). Over the last 6 months, 884 institutions increased and 861 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
56
Net (3m)
-$2.2B
Insider trades by month Buys Sells
Dec
Feb
Mar
Apr
May
Jun
Context3-month price +13.4%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 4, 2026 | Van't Hof Matthew Kaesdirector, officer: Chief Executive Officer | Sell | 10,000 | $210.00 |
| Jun 4, 2026 | Zmigrosky Mattofficer: EVP, Chief Legal and Admin Off | Sell | 5,000 | $210.00 |
| Jun 4, 2026 | Van't Hof Matthew Kaesdirector, officer: Chief Executive Officer | Sell | 5,000 | $205.00 |
| Jun 2, 2026 | Zmigrosky Mattofficer: EVP, Chief Legal and Admin Off | Sell | 5,000 | $200.54 |
| Jun 2, 2026 | Dick Teresa L.officer: CAO, Exec. VP, Assist. Sec. | Sell | 7,000 | $200.90 |
| May 21, 2026 | Tsuru Frank D.director | Grant | 982 | — |
| May 21, 2026 | REEVES ROBERT Kdirector | Grant | 982 | — |
| May 21, 2026 | Mains Stephanie K.director | Grant | 982 | — |
| May 21, 2026 | Trent Melanie Montaguedirector | Grant | 982 | — |
| May 21, 2026 | Brooks Vincent Kdirector | Grant | 982 | — |
| May 21, 2026 | Stice Travis D.director | Grant | 982 | — |
| May 21, 2026 | Meloy Charles Alvindirector | Grant | 982 | — |
| May 21, 2026 | HOLDERNESS DARIN Gdirector | Grant | 982 | — |
| May 21, 2026 | KLEIN REBECCA Adirector | Grant | 982 | — |
| May 21, 2026 | WEST STEVEN Edirector | Grant | 982 | — |
| May 21, 2026 | Plaumann Mark Lawrencedirector | Grant | 982 | — |
| May 21, 2026 | Robertson Lance Wdirector | Grant | 982 | — |
| May 21, 2026 | Dick Teresa L.officer: CAO, Exec. VP, Assist. Sec. | Sell | 5,000 | $207.00 |
| May 19, 2026 | Barkmann Albertofficer: Exec. VP and Chief Engineer | Sell | 3,000 | $204.04 |
| May 19, 2026 | Thompson Jere W IIIofficer: CFO, Executive VP | Sell | 1,000 | $203.16 |
| May 14, 2026 | Zmigrosky Mattofficer: EVP, Chief Legal and Admin Off | Sell | 5,000 | $200.10 |
| May 14, 2026 | Dick Teresa L.officer: CAO, Exec. VP, Assist. Sec. | Sell | 5,000 | $200.00 |
| May 11, 2026 | Meloy Charles Alvindirector | Sell | 3,909 | $189.56 |
| May 11, 2026 | Meloy Charles Alvindirector | Sell | 2,887 | $190.14 |
| May 11, 2026 | Meloy Charles Alvindirector | Sell | 2,492 | $189.44 |
| May 11, 2026 | Meloy Charles Alvindirector | Sell | 403 | $187.54 |
| May 11, 2026 | Meloy Charles Alvindirector | Sell | 3,545 | $188.72 |
| May 11, 2026 | Meloy Charles Alvindirector | Sell | 842 | $187.35 |
| May 11, 2026 | Meloy Charles Alvindirector | Sell | 1,636 | $188.11 |
| Apr 8, 2026 | Meloy Charles Alvindirector | Sell | 2,348 | $197.83 |
Source: FANG SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their FANG positions over the last 6 months (SEC Form 13F).
Increased
884
New positions
324
Reduced
861
Sold out
183
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 23.0M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 18.5M | May 13, 2026 |
| BLACKROCK, INC. | Reduced | 17.9M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 12.7M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 12.5M | May 15, 2026 |
| STATE STREET CORP | Increased | 12.1M | May 15, 2026 |
| STATE STREET CORP | Increased | 10.7M | Feb 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 9.7M | May 8, 2026 |
| JPMORGAN CHASE & CO | Increased | 6.3M | May 13, 2026 |
| BOSTON PARTNERS | Increased | 5.8M | May 11, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 5.6M | Feb 9, 2026 |
| BOSTON PARTNERS | Reduced | 5.6M | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 5.3M | May 15, 2026 |
| BANK OF NEW YORK MELLON CORP | Increased | 5.2M | Feb 10, 2026 |
| FMR LLC | Increased | 5.0M | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.