Diamondback Energy (FANG)10% owner sold ~$169M

~$169M

Approx. value · 1M sh @ $168.99

97.7M

Holds after · shares reported

Traded

Feb 4, 2026

Filed

Feb 5, 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. Dec 4, 2025InsiderDirector sold ~$52.4M of FANG shares in the open market
2. Dec 8, 2025InsiderDirector sold ~$8.5K of FANG shares in the open market
3. Dec 22, 2025CongressDisclosed partial sale of FANG — reported range $1,001 - $15,000
4. Jan 12, 2026Company filing · Form 8-K · ResultsReported its results
5. Feb 2, 2026InsiderDirector sold ~$352K of FANG shares in the open market
6. Feb 3, 2026Insider · 2 peopleInsiders: 4 sales (~$172.6M)
7. Feb 4, 2026 · this disclosureInsider10% owner sold ~$169M of FANG shares in the open market

What came next

1. Feb 5, 20265% stakeSGF FANG Holdings, LP filed an activist stake (13D) of 34.1%
2. Feb 23, 2026Company filing · Form 8-K · ResultsReported its results
3. Mar 4, 2026Insider10% owner sold ~$177M of FANG shares in the open market
4. Mar 6, 2026Insider · 5 peopleInsiders: 9 sales (~$24.2M)
5. Mar 9, 2026Insider · 2 peopleInsiders: 8 sales (~$1.9M)
6. Mar 10, 2026Company filing · Form 8-K · Material agreement, Other newsSigned an important agreement, and reported other company news
7. Mar 10, 2026Insider · 1 personInsiders: 6 sales (~$1.4M)
8. Mar 12, 2026Insider10% owner sold ~$2.15B of FANG shares in the open market
9. Mar 13, 2026Insider · 2 peopleInsiders: 2 sales (~$4.5M)
10. Mar 16, 20265% stakeSGF FANG Holdings, LP filed an activist stake (13D) of 29.9%
11. Mar 16, 2026InsiderCFO sold ~$137K of FANG shares in the open market
12. Mar 18, 2026Insider · 3 peopleInsiders: 3 sales (~$2.9M)
13. Mar 20, 2026Insider · 2 peopleInsiders: 2 sales (~$1.9M)
14. Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)
15. Apr 6, 2026Insider · 1 personInsiders: 3 sales (~$1.5M)
16. Apr 7, 2026Insider · 1 personInsiders: 4 sales (~$1.5M)
17. Apr 13, 2026Company filing · Form 8-K · ResultsReported its results
18. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 5.2%
19. May 4, 2026Company filing · Form 8-K · ResultsReported its results
20. May 7, 2026Insider · 1 personInsiders: 4 sales (~$1.5M)

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 SGF FANG Holdings, LP, 10% owner

• SEC Form 4 at Diamondback Energy (FANG)Sep 17, 2026
• SEC Form 4 at Diamondback Energy (FANG)Jun 5, 2026
• SEC Form 4 at Diamondback Energy (FANG)Mar 16, 2026
• SEC Form 4 at Diamondback Energy (FANG)Mar 5, 2026
• SEC Form 4 at Diamondback Energy (FANG)Feb 5, 2026

The full history of SGF FANG Holdings, LP, 10% owner 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.