As of the latest Form 4 filed Jun 18, 2026.
What Diamondback Energy Inc insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 80 most recent filings for FANG.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-18 | 2026-06-17 | Van't Hof Matthew Kaes Chief Executive Officer | GGift | −2.67K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-17 | 2026-06-16 | Meloy Charles Alvin Director | SSale | −4.05K | $187.68 | $760K | Yes (planned) | Form 4 ↗ |
| 2026-06-17 | 2026-06-16 | Meloy Charles Alvin, Director | SSale | −64.7K | $187.25 | $12.1M | Yes (planned) | Form 4 ↗ |
| 2026-06-17 | 2026-06-16 | Meloy Charles Alvin, Director | SSale | −14.5K | $186.37 | $2.71M | Yes (planned) | Form 4 ↗ |
| 2026-06-10 | 2026-06-09 | Plaumann Mark Lawrence Director | SSale | −500.00 | $196.50 | $98.3K | No | Form 4 ↗ |
| 2026-06-08 | 2026-06-04 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $205.00 | $1.02M | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | SGF FANG Holdings, LP 10% owner | SSale | −10.0M | $204.25 | $2.04B | No | Form 4 ↗ |
| 2026-06-04 | 2026-06-03 | Van't Hof Matthew Kaes Chief Executive Officer | SSale | −10.0K | $210.00 | $2.10M | No | Form 4 ↗ |
| 2026-06-04 | 2026-06-03 | Van't Hof Matthew Kaes, Chief Executive Officer | SSale | −5.00K | $205.00 | $1.02M | No | Form 4 ↗ |
| 2026-06-04 | 2026-06-03 | Zmigrosky Matt EVP, Chief Legal and Admin Off | SSale | −5.00K | $210.00 | $1.05M | No | Form 4 ↗ |
| 2026-06-02 | 2026-06-02 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −7.00K | $200.90 | $1.41M | No | Form 4 ↗ |
| 2026-06-02 | 2026-06-01 | Zmigrosky Matt EVP, Chief Legal and Admin Off | SSale | −5.00K | $200.54 | $1.00M | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Trent Melanie Montague Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | KLEIN REBECCA A Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Mains Stephanie K. Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Stice Travis D. Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | HOLDERNESS DARIN G Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | WEST STEVEN E Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Plaumann Mark Lawrence Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Meloy Charles Alvin Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Brooks Vincent K Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Tsuru Frank D. Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | REEVES ROBERT K Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-20 | Robertson Lance W Director | AAward | +982.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-21 | 2026-05-19 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $207.00 | $1.03M | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Barkmann Albert Exec. VP and Chief Engineer | SSale | −3.00K | $204.04 | $612K | No | Form 4 ↗ |
| 2026-05-19 | 2026-05-15 | Thompson Jere W III CFO, Executive VP | SSale | −1.00K | $203.16 | $203K | No | Form 4 ↗ |
| 2026-05-14 | 2026-05-14 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $200.00 | $1.00M | No | Form 4 ↗ |
| 2026-05-14 | 2026-05-13 | Zmigrosky Matt EVP, Chief Legal and Admin Off | SSale | −5.00K | $200.10 | $1.00M | No | Form 4 ↗ |
| 2026-05-11 | 2026-05-08 | Meloy Charles Alvin Director | SSale | −3.91K | $189.56 | $741K | Yes (planned) | Form 4 ↗ |
| 2026-05-11 | 2026-05-08 | Meloy Charles Alvin, Director | SSale | −3.54K | $188.72 | $669K | Yes (planned) | Form 4 ↗ |
| 2026-05-11 | 2026-05-08 | Meloy Charles Alvin, Director | SSale | −403.00 | $187.54 | $75.6K | Yes (planned) | Form 4 ↗ |
| 2026-05-11 | 2026-05-07 | Meloy Charles Alvin, Director | SSale | −2.89K | $190.14 | $549K | Yes (planned) | Form 4 ↗ |
| 2026-05-11 | 2026-05-07 | Meloy Charles Alvin, Director | SSale | −2.49K | $189.44 | $472K | Yes (planned) | Form 4 ↗ |
| 2026-05-11 | 2026-05-07 | Meloy Charles Alvin, Director | SSale | −1.64K | $188.11 | $308K | Yes (planned) | Form 4 ↗ |
| 2026-05-11 | 2026-05-07 | Meloy Charles Alvin, Director | SSale | −842.00 | $187.35 | $158K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Meloy Charles Alvin Director | SSale | −1.25K | $198.49 | $249K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Meloy Charles Alvin, Director | SSale | −2.35K | $197.83 | $465K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Meloy Charles Alvin, Director | SSale | −2.37K | $196.59 | $466K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-07 | Meloy Charles Alvin, Director | SSale | −1.89K | $195.55 | $369K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Meloy Charles Alvin, Director | SSale | −185.00 | $195.18 | $36.1K | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Meloy Charles Alvin, Director | SSale | −5.36K | $194.15 | $1.04M | Yes (planned) | Form 4 ↗ |
| 2026-04-08 | 2026-04-06 | Meloy Charles Alvin, Director | SSale | −2.32K | $193.32 | $448K | Yes (planned) | Form 4 ↗ |
| 2026-03-24 | 2026-03-20 | Wesson Daniel N Exec. VP & COO | SSale | −5.00K | $191.96 | $960K | No | Form 4 ↗ |
| 2026-03-24 | 2026-03-20 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $193.00 | $965K | No | Form 4 ↗ |
| 2026-03-23 | 2026-03-19 | Diamondback Energy, Inc. 10% owner | SSale | −510K | $45.69 | $23.3M | No | Form 4 ↗ |
| 2026-03-23 | 2026-03-19 | Diamondback Energy, Inc., 10% owner | CConvert | +510K | — | — | No | Form 4 ↗ |
| 2026-03-19 | 2026-03-18 | WEST STEVEN E Director | SSale | −6.00K | $188.35 | $1.13M | No | Form 4 ↗ |
| 2026-03-19 | 2026-03-18 | Zmigrosky Matt EVP, Chief Legal and Admin Off | SSale | −4.10K | $190.51 | $781K | No | Form 4 ↗ |
| 2026-03-19 | 2026-03-18 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −5.00K | $190.00 | $950K | No | Form 4 ↗ |
| 2026-03-17 | 2026-03-16 | Thompson Jere W III CFO, Executive VP | SSale | −750.00 | $182.47 | $137K | No | Form 4 ↗ |
| 2026-03-17 | 2026-03-13 | Zmigrosky Matt EVP, Chief Legal and Admin Off | SSale | −20.9K | $180.00 | $3.76M | No | Form 4 ↗ |
| 2026-03-17 | 2026-03-13 | Barkmann Albert Exec. VP and Chief Engineer | SSale | −4.00K | $182.90 | $732K | No | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | SGF FANG Holdings, LP 10% owner | SSale | −12.7M | $170.19 | $2.15B | No | Form 4 ↗ |
| 2026-03-11 | 2026-03-10 | Meloy Charles Alvin Director | SSale | −1.46K | $182.03 | $265K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-10 | Meloy Charles Alvin, Director | SSale | −1.33K | $181.15 | $241K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-10 | Meloy Charles Alvin, Director | SSale | −1.07K | $180.25 | $194K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-10 | Meloy Charles Alvin, Director | SSale | −1.75K | $178.82 | $312K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-10 | Meloy Charles Alvin, Director | SSale | −1.69K | $178.10 | $300K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-10 | Meloy Charles Alvin, Director | SSale | −566.00 | $177.09 | $100K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Meloy Charles Alvin, Director | SSale | −108.00 | $186.16 | $20.1K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Meloy Charles Alvin, Director | SSale | −462.00 | $185.40 | $85.7K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Meloy Charles Alvin, Director | SSale | −1.47K | $184.46 | $270K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Meloy Charles Alvin, Director | SSale | −2.88K | $183.43 | $528K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Meloy Charles Alvin, Director | SSale | −1.85K | $182.67 | $338K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Meloy Charles Alvin, Director | SSale | −709.00 | $181.43 | $129K | Yes (planned) | Form 4 ↗ |
| 2026-03-11 | 2026-03-09 | Meloy Charles Alvin, Director | SSale | −388.00 | $180.45 | $70.0K | Yes (planned) | Form 4 ↗ |
| 2026-03-10 | 2026-03-09 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −2.50K | $185.00 | $463K | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Thompson Jere W III CFO, Executive VP | SSale | −750.00 | $181.68 | $136K | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Wesson Daniel N Exec. VP & COO | SSale | −200.00 | $181.78 | $36.4K | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Wesson Daniel N, Exec. VP & COO | SSale | −19.8K | $181.10 | $3.59M | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Stice Travis D. Executive Chairman | SSale | −973.00 | $181.68 | $177K | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Stice Travis D., Executive Chairman | SSale | −35.1K | $181.06 | $6.35M | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Stice Travis D., Executive Chairman | SSale | −1.15K | $181.67 | $209K | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Stice Travis D., Executive Chairman | SSale | −62.8K | $181.15 | $11.4M | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Van't Hof Matthew Kaes Chief Executive Officer | SSale | −10.0K | $180.84 | $1.81M | No | Form 4 ↗ |
| 2026-03-10 | 2026-03-06 | Dick Teresa L. CAO, Exec. VP, Assist. Sec. | SSale | −3.00K | $181.46 | $544K | No | Form 4 ↗ |
| 2026-03-05 | 2026-03-04 | SGF FANG Holdings, LP 10% owner | SSale | −1.00M | $176.71 | $177M | No | Form 4 ↗ |
| 2026-03-05 | 2026-03-04 | Diamondback Energy, Inc. 10% owner | SSale | −12.4M | $45.69 | $566M | No | Form 4 ↗ |
| 2026-03-05 | 2026-03-04 | Diamondback Energy, Inc., 10% owner | CConvert | +12.4M | — | — | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also FANG’s full analysis or the market-wide insider trading feed. The tabs above jump to FANG’s other SEC data.
Source: SEC Form 4 filings for FANG, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
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