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Diamondback Energy (FANG) holder sells 12,650,000 common shares

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

Diamondback Energy, Inc. reported that major shareholder SGF FANG Holdings entered an underwriting agreement to sell 12,650,000 shares of common stock at $170.18875 per share. The secondary offering to underwriters closed on March 12, 2026 and was made under the company’s existing shelf registration.

After correcting a small prior administrative overstatement, the reporting persons disclose beneficial ownership of 84,036,722 shares, representing 29.9% of the common stock based on 281,303,905 shares outstanding as of March 6, 2026. SGF FANG also agreed to a 60‑day lock-up on additional sales, subject to customary exceptions.

Positive

  • None.

Negative

  • None.

Insights

Large shareholder executes secondary sale but retains a sizable 29.9% stake.

The filing describes a secondary offering in which SGF FANG Holdings, a major Diamondback Energy shareholder, sold 12,650,000 shares at $170.18875 per share via underwriters. This transaction shifts shares into the broader market without raising new capital for the company.

Post-transaction, the reporting persons still beneficially own 84,036,722 shares, or 29.9% of the common stock, based on 281,303,905 shares outstanding as of March 6, 2026. That remaining stake indicates continued concentrated ownership, even after monetizing a meaningful block.

The 60-day lock-up agreement, starting March 10, 2026, limits further sales by SGF FANG for a defined period, which can help stabilize expectations around additional near-term selling activity. Future filings may update any changes in this large holder’s position beyond the lock-up window.






If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 13: Based upon 281,303,905 shares of Company Common Stock outstanding as of March 6, 2026, as disclosed by the Company in its prospectus supplement filed with the Securities and Exchange Commission (the "SEC") pursuant to Rule 424(b)(7) on March 12, 2026.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 13: Based upon 281,303,905 shares of Company Common Stock outstanding as of March 6, 2026, as disclosed by the Company in its prospectus supplement filed with the SEC pursuant to Rule 424(b)(7) on March 12, 2026.


SCHEDULE 13D


SGF FANG Holdings, LP
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:03/16/2026
Greth Lyndal
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:03/16/2026

FAQ

What transaction does Diamondback Energy (FANG) report in this Schedule 13D/A amendment?

The amendment reports that SGF FANG Holdings, a major shareholder of Diamondback Energy, sold 12,650,000 common shares. The sale occurred through an underwriting agreement with several banks at a set per-share price and closed on March 12, 2026.

How many Diamondback Energy shares did SGF FANG sell and at what price?

SGF FANG sold 12,650,000 shares of Diamondback Energy common stock at $170.18875 per share. The shares were purchased by underwriters under a negotiated underwriting agreement and offered pursuant to the company’s effective shelf registration and related prospectus supplement.

What is SGF FANG’s remaining ownership stake in Diamondback Energy (FANG)?

After the reported transaction and a small share-count correction, the reporting persons beneficially own 84,036,722 shares, representing 29.9% of Diamondback’s common stock. This percentage is based on 281,303,905 shares outstanding as of March 6, 2026, as disclosed in a prospectus supplement.

Did Diamondback Energy receive proceeds from the 12,650,000-share offering?

The shares in this transaction were sold by SGF FANG Holdings as a selling stockholder to underwriters. The description characterizes the deal as a secondary offering by this shareholder rather than a new share issuance, indicating proceeds relate to the selling holder’s shares.

What lock-up restrictions apply to SGF FANG after this Diamondback Energy share sale?

SGF FANG agreed to a lock-up through 60 days after March 10, 2026. During this period, and subject to customary exceptions, it will not offer, sell, pledge, or enter into hedging or similar transactions involving Diamondback common stock without the underwriters’ prior written consent.

Why did Diamondback Energy’s large holder correct its previously reported share count?

The amendment explains that the number of shares previously reported as beneficially owned was overstated by five shares due to an administrative error. This filing updates and corrects that figure while also reflecting the large secondary offering transaction described in Item 4.
Diamondback Ener

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