Welcome to our dedicated page for Diamondback Ener SEC filings (Ticker: FANG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Production volumes, hedge positions, and drilling economics hidden inside a 300-page report can determine whether Diamondback Energy’s next well pays off. Yet investors often spend hours combing through densely technical SEC disclosures to find those numbers. That complexity is why Diamondback Energy insider trading Form 4 transactions or a single line about flaring costs can move the stock.
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The Form 4 discloses that Lori Briggs, Vice President & President, Industrial Solutions of NPK International Inc. (NPKI), executed an automatic Rule 10b5-1 sale on 07/09/2025.
- Shares sold: 8,005 common shares
- Average price: $8.5676 (weighted-average, individual trade prices ranged from $8.50–$8.64)
- Proceeds: ≈ $68.6 thousand
- Ownership after sale: 260,626 shares held directly
- Plan status: Transaction executed under a pre-arranged Rule 10b5-1 trading plan adopted on 03/07/2025
The sale represents roughly 3% of Ms. Briggs’s reported direct holdings and does not involve any derivative securities. No additional insider transactions are reported in this filing.
Form 4 overview: Diamondback Energy, Inc. (ticker FANG) reported an insider transaction by director Mark L. Plaumann dated 06/19/2025. The filing shows an in-kind Code J distribution of 2,965 common shares from Greyhawke Capital Advisors LLC to Mr. Plaumann during an open trading window, executed at a stated price of $0.
Post-transaction ownership:
- Direct holdings: 5,267 shares (increased by 2,965)
- Indirect holdings: 7,688 shares held through Greyhawke, where Plaumann, via Whisper Manager LLC, is managing member and 50% owner
- Total beneficial ownership: 12,955 shares
Structural context: The shares moved from an affiliated LLC to the individual following amendments to Greyhawke’s limited-liability company agreement. Because the transfer was internal, no cash changed hands and the company issued no new shares; therefore, the transaction does not affect Diamondback’s share count or capital structure.
Investor takeaway: While the dollar value (≈US$0.5 million at recent prices) is modest relative to Diamondback’s market capitalisation, the filing signals a modest increase in direct insider alignment. However, because the shares were not purchased on the open market and resulted from an internal reallocation, the event is viewed as neutral to mildly positive for valuation or near-term trading sentiment.
Diamondback Energy, Inc. (FANG) – Form 4 insider transaction summary:
Director Charles A. Meloy, acting through Wolfrock Energy, LLC, executed three open-market sales of Diamondback Energy common stock on 17–18 June 2025 under a pre-established Rule 10b5-1 trading plan adopted 3 December 2024.
- 6,039 shares sold on 17 Jun 2025 at a weighted-average price of $155.2905
- 27 shares sold on 17 Jun 2025 at $156.02
- 87 shares sold on 18 Jun 2025 at $155.0275
Total shares disposed: 6,153, representing a cash value of roughly $0.95 million at the reported averages.
Following these transactions, Wolfrock Energy, LLC holds 1,078,864 FANG shares indirectly for Mr. Meloy, while he also owns 2,275 shares directly. The filing includes standard footnotes confirming the weighted-average pricing methodology and the multilayer ownership structure of Wolfrock Energy > CS Ventures, Ltd. > CSV Management Trust.
No derivative security activity was reported. The sales reduce Mr. Meloy’s indirect position by approximately 0.57 % (6,153 ÷ 1,085,017 total prior indirect shares), a modest change relative to his overall holdings. Because the trades were executed under a 10b5-1 plan, they were pre-scheduled and do not necessarily signal a change in insider sentiment.
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