Diamondback Energy (FANG)CFO sold ~$102K

~$102K

Approx. value · 500 sh @ $204.14

18K

Holds after · shares reported

Traded

Aug 14, 2026

Filed

Aug 17, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jun 12, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
2. Jun 16, 2026Insider · 1 personInsiders: 3 sales (~$15.6M)
3. Jul 13, 2026Company filing · Form 8-K · ResultsReported its results
4. Aug 3, 2026Company filing · Form 8-K · ResultsReported its results
5. Aug 3, 2026Insider · 1 personInsiders: 4 sales (~$6.6M)
6. Aug 11, 2026InsiderCEO sold ~$1.01M of FANG shares in the open market
7. Aug 13, 20265% stakeWellington Management Group LLP reported a passive stake (13G) of 5.8%
8. Aug 14, 2026 · this disclosureInsiderCFO sold ~$102K of FANG shares in the open market

What came next

1. Aug 14, 2026InsiderOfficer sold ~$507K of FANG shares in the open market
2. Aug 20, 2026Insider · 2 peopleInsiders: 3 sales (~$3.8M)
3. Aug 21, 2026InsiderDirector sold ~$211K of FANG shares in the open market
4. Sep 11, 2026Insider · Their largest sale since 2013Director sold ~$15.3M of FANG shares in the open market
5. Sep 15, 2026Insider · 2 peopleInsiders: 2 sales (~$1.3M)
6. Sep 16, 2026Insider · 13 days before an 8-K10% owner sold ~$1.86B of FANG shares in the open market
7. Sep 17, 20265% stakeSGF FANG Holdings, LP filed an activist stake (13D) of 23.2%
8. Sep 29, 2026Company filing · Form 8-K · Material agreement, Executive changeChanged a top executive or board member, and signed an important agreement“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.”
9. Oct 5, 2026Insider · 1 personInsiders: 3 sales (~$6.1M)
10. Oct 8, 2026Company filing · Form 8-K · ResultsReported its results

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Diamondback Energy

For Diamondback Energy, OQRO holds 23 insider filings (SEC Form 4 or Form 144) and 13 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its FANG page.

Other recent filings by Jere W Iii Thompson, CFO, Executive VP

• SEC Form 4 at Diamondback Energy (FANG)May 19, 2026
• SEC Form 4 at Diamondback Energy (FANG)Mar 17, 2026
• SEC Form 4 at Diamondback Energy (FANG)Mar 10, 2026
• SEC Form 4 at Diamondback Energy (FANG)Nov 13, 2025
• SEC Form 4 at Diamondback Energy (FANG)Jun 11, 2025

The full history of Jere W Iii Thompson, CFO, Executive VP is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Diamondback Energy

• SEC Form 4Oct 7, 2026
• SEC Form 4Oct 7, 2026
• SEC Form 4Oct 7, 2026
• SEC Form 144Oct 5, 2026
• SEC Form 4Sep 17, 2026
• SEC Schedule 13DSep 17, 2026

Everything OQRO holds on this company is on its FANG page.