As of November 6, 2026, Diamondback Energy, Inc. has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from May 20, 2026 to September 30, 2026 (Form 8-K, September 30, 2026).
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Diamondback Energy, Inc. reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-05-20 to 2026-09-30. Every row below is cited to the filing it comes from, and this page adds each new change as Diamondback Energy, Inc. files it.
Also on the record for Diamondback Energy, Inc.
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| September 17, 2026 | Stake report, Schedule 13D/A, by Greth Lyndal | 23.2% of the class | 5%+ stakes | Source |
| August 13, 2026 | Stake report, Schedule 13G, by Wellington Management Group LLP | 5.8% of the class | 5%+ stakes | Source |
| June 5, 2026 | Stake report, Schedule 13D/A, by Greth Lyndal | 26.3% of the class | 5%+ stakes | Source |
| April 29, 2026 | Stake report, Schedule 13G, by Vanguard Capital Management | 5.21% of the class | 5%+ stakes | Source |
| March 26, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| March 16, 2026 | Stake report, Schedule 13D/A, by Greth Lyndal | 29.9% of the class | 5%+ stakes | Source |
| February 5, 2026 | Stake report, Schedule 13D/A, by Greth Lyndal | 34.1% of the class | 5%+ stakes | Source |
| December 2, 2025 | Stake report, Schedule 13D/A, by Greth Lyndal | 34.8% of the class | 5%+ stakes | Source |
| August 15, 2025 | Stake report, Schedule 13D/A, by Greth Lyndal | 35.1% of the class | 5%+ stakes | Source |
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Diamondback Energy, Inc. elsewhere on the record
- 5%+ stake filings Sep 2026
- Who owns it
Companies that share a holder
- Wellington Management Group LLP also filed stake reports on 240 other companies: Hub Group, Inc. (Oct 2026), Latham Group, Inc. (Oct 2026), Redwood Trust, Inc. (Oct 2026)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
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Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-09-30 | Reported | not named in the filing | 8-K, 2026-09-30 | ||
| 2026-05-20 | Reported | not named in the filing | 8-K, 2026-05-20 |
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Reported
In connection with a Board Stepdown (as defined in the Stockholders Agreement), and not due to any disagreement with the Company on any matter relating to the Company's operations, policies or practices, Darin Holderness and Lance Robertson resigned from the Board on September 29, 2026 and September 30, 2026, respectively.
Reported
Proposal 1 Travis D. Stice, Vincent K. Brooks, Darin G. Holderness, Rebecca A. Klein, Stephanie K. Mains, Charles A. Meloy, Mark L. Plaumann, Robert K. Reeves, Lance W. Robertson, Melanie M. Trent, Frank D. Tsuru, Kaes Van't Hof and Steven E. West were elected to serve as the Company's directors until the 2027 Annual Meeting of Stockholders or until their respective successors are duly elected and qualified.
- above, on May 20, 2026, the Company held the 2026 Annual Meeting at its headquarters located at Fasken Center, 500 West Texas Avenue, Midland, Texas 79701.
- At the 2026 Annual Meeting, the Company's stockholders voted on four proposals, each of which is described in more detail in the 2026 Proxy Statement.
- The following is a brief description of each matter voted upon and the results of such voting, including the number of votes cast for each matter and the number of votes cast against, abstentions and broker non-votes, if applicable, with respect to each matter, and with respect to Proposal 3, in favor of holding a future advisory vote on the compensation paid to the Company's named executive officers on a one-year, two-year or three-year basis.
- Voting results are, when applicable, reported by rounding fractional share voting up or down to the nearest whole number.
- The results of the stockholder vote on Proposal 2 were as follows: For Against Abstain Non-Votes 245,941,011 3,547,122 286,994 14,899,987 Proposal 3 The Company's stockholders approved, on an advisory basis, the frequency of holding an advisory vote on the compensation paid to the Company's named executive officers.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.