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[SCHEDULE 13D/A] Diamondback Energy, Inc. SEC Filing

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(Low)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13D/A
Rhea-AI Filing Summary

SGF FANG Holdings, LP became the record holder of 101,686,727 shares of Diamondback Energy, Inc. common stock following an internal reorganization on August 13, 2025. The filing states that Lyndal Stephens Greth remains the ultimate beneficial owner and that the reorganization changed only the form, not the amount, of her ownership.

The reported stake represents 35.1% of the company's outstanding common stock based on 289,486,120 shares outstanding as of August 1, 2025. Several affiliated entities have exited the Section 13(d) reporting group and no longer beneficially own shares. The filing also notes that the Endeavor Stockholders have nominated four directors to the company’s board under a Stockholders Agreement.

SGF FANG Holdings, LP è stata registrata come detentrice di 101.686.727 azioni ordinarie di Diamondback Energy, Inc. a seguito di una riorganizzazione interna avvenuta il 13 agosto 2025. La dichiarazione precisa che Lyndal Stephens Greth resta l'effettiva beneficiaria ultima e che la riorganizzazione ha modificato solo la forma, non la quantità, della sua partecipazione.

La quota comunicata corrisponde al 35,1% del capitale sociale in circolazione, calcolato su 289.486.120 azioni in circolazione al 1º agosto 2025. Diversi soggetti collegati hanno lasciato il gruppo di segnalazione ai sensi della Sezione 13(d) e non detengono più titoli in via beneficiaria. Il documento segnala inoltre che gli Endeavor Stockholders hanno nominato quattro amministratori al consiglio della società in base a un Accordo tra Azionisti.

SGF FANG Holdings, LP pasó a ser la titular registrada de 101.686.727 acciones ordinarias de Diamondback Energy, Inc. tras una reorganización interna el 13 de agosto de 2025. La presentación indica que Lyndal Stephens Greth sigue siendo la beneficiaria final y que la reorganización solo cambió la forma, no la cantidad, de su participación.

La participación informada representa el 35,1% del capital social en circulación, con base en 289.486.120 acciones en circulación a fecha del 1 de agosto de 2025. Varias entidades afiliadas han salido del grupo de notificación de la Sección 13(d) y ya no poseen acciones a título beneficiario. El expediente también señala que los Endeavor Stockholders han nominado a cuatro consejeros para el consejo de la compañía conforme a un Acuerdo de Accionistas.

SGF FANG Holdings, LP는 2025년 8월 13일 내부 조직 개편을 통해 Diamondback Energy, Inc. 보통주 101,686,727주를 기록 상 소유자로 등재했습니다. 신고서에 따르면 Lyndal Stephens Greth가 여전히 최종 실질 소유자이며, 이번 조직 개편은 지분의 형태만 변경했을 뿐 보유량은 변경되지 않았다고 밝혔습니다.

신고된 지분은 2025년 8월 1일 기준 발행주식수 289,486,120주를 기준으로 회사 발행 보통주 중 35.1%에 해당합니다. 여러 관련 법인이 섹션 13(d) 보고 그룹에서 제외되어 더 이상 실질적으로 주식을 보유하지 않습니다. 신고서에는 또한 Endeavor 주주들이 주주간 계약에 따라 회사 이사회에 네 명의 이사를 지명했다고 적혀 있습니다.

SGF FANG Holdings, LP est devenue la détentrice enregistrée de 101 686 727 actions ordinaires de Diamondback Energy, Inc. à la suite d'une réorganisation interne le 13 août 2025. Le dépôt précise que Lyndal Stephens Greth demeure la bénéficiaire ultime et que la réorganisation n'a modifié que la forme, pas le montant, de sa participation.

La participation déclarée représente 35,1% du capital social en circulation, sur la base de 289 486 120 actions en circulation au 1er août 2025. Plusieurs entités affiliées ont quitté le groupe de déclaration au titre de la Section 13(d) et ne détiennent plus d'actions à titre bénéficiaire. Le dossier indique également que les Endeavor Stockholders ont nommé quatre administrateurs au conseil de la société en vertu d'un accord d'actionnaires.

SGF FANG Holdings, LP wurde infolge einer internen Umstrukturierung am 13. August 2025 als eingetragener Inhaber von 101.686.727 Stammaktien der Diamondback Energy, Inc. registriert. Die Meldung besagt, dass Lyndal Stephens Greth weiterhin die wirtschaftlich Berechtigte ist und die Umstrukturierung lediglich die Form, nicht jedoch die Höhe ihres Anteils verändert hat.

Der gemeldete Anteil entspricht 35,1% des ausstehenden Stammkapitals, basierend auf 289.486.120 ausstehenden Aktien per 1. August 2025. Mehrere verbundene Einheiten haben die Meldengruppe nach Section 13(d) verlassen und besitzen keine Aktien mehr als wirtschaftliche Eigentümer. In der Meldung wird außerdem angegeben, dass die Endeavor-Aktionäre gemäß einer Aktionärsvereinbarung vier Direktoren für den Vorstand nominiert haben.

Positive
  • Record consolidation: 101,686,727 shares were centralized in SGF FANG Holdings, LP, simplifying ownership structure
  • Clear beneficial ownership: Lyndal Stephens Greth is explicitly identified as the ultimate beneficial owner following the reorganization
  • Significant stake disclosed: The filing reports a 35.1% ownership interest based on 289,486,120 shares outstanding
  • Board action noted: The Endeavor Stockholders have nominated four directors under the Stockholders Agreement
Negative
  • Concentrated ownership (35.1%) may lead to significant control over board and strategy

Insights

TL;DR: A single beneficial owner holds a large, controlling stake (35.1%), consolidating voting power through a reorganization.

The reorganization that moved 101,686,727 shares into SGF FANG Holdings, LP materially consolidates ownership while leaving beneficial ownership unchanged for Mrs. Stephens Greth. A 35.1% stake is large enough to influence corporate decisions and, combined with the nomination of four directors by the Endeavor Stockholders, could meaningfully affect board composition and strategic outcomes. For investors, the key implications are increased governance influence by a single owner and potential shifts in board-driven strategy; no financial performance metrics are disclosed in this amendment.

TL;DR: Ownership was simplified and several affiliates exited the 13(d) reporting group; board nominations were asserted.

The filing documents an internal ownership restructuring that centralizes record ownership in SGF FANG Holdings, LP while confirming Lyndal Stephens Greth as ultimate beneficial owner. Several entities ceased to be reporting persons, reducing the complexity of the disclosure group. The notification that Endeavor Stockholders have nominated four directors under the Stockholders Agreement is a governance action of note; it is procedural here and the filing does not describe any changes to board seats being filled or voting outcomes. Materiality is primarily governance-related rather than financial in this amendment.

SGF FANG Holdings, LP è stata registrata come detentrice di 101.686.727 azioni ordinarie di Diamondback Energy, Inc. a seguito di una riorganizzazione interna avvenuta il 13 agosto 2025. La dichiarazione precisa che Lyndal Stephens Greth resta l'effettiva beneficiaria ultima e che la riorganizzazione ha modificato solo la forma, non la quantità, della sua partecipazione.

La quota comunicata corrisponde al 35,1% del capitale sociale in circolazione, calcolato su 289.486.120 azioni in circolazione al 1º agosto 2025. Diversi soggetti collegati hanno lasciato il gruppo di segnalazione ai sensi della Sezione 13(d) e non detengono più titoli in via beneficiaria. Il documento segnala inoltre che gli Endeavor Stockholders hanno nominato quattro amministratori al consiglio della società in base a un Accordo tra Azionisti.

SGF FANG Holdings, LP pasó a ser la titular registrada de 101.686.727 acciones ordinarias de Diamondback Energy, Inc. tras una reorganización interna el 13 de agosto de 2025. La presentación indica que Lyndal Stephens Greth sigue siendo la beneficiaria final y que la reorganización solo cambió la forma, no la cantidad, de su participación.

La participación informada representa el 35,1% del capital social en circulación, con base en 289.486.120 acciones en circulación a fecha del 1 de agosto de 2025. Varias entidades afiliadas han salido del grupo de notificación de la Sección 13(d) y ya no poseen acciones a título beneficiario. El expediente también señala que los Endeavor Stockholders han nominado a cuatro consejeros para el consejo de la compañía conforme a un Acuerdo de Accionistas.

SGF FANG Holdings, LP는 2025년 8월 13일 내부 조직 개편을 통해 Diamondback Energy, Inc. 보통주 101,686,727주를 기록 상 소유자로 등재했습니다. 신고서에 따르면 Lyndal Stephens Greth가 여전히 최종 실질 소유자이며, 이번 조직 개편은 지분의 형태만 변경했을 뿐 보유량은 변경되지 않았다고 밝혔습니다.

신고된 지분은 2025년 8월 1일 기준 발행주식수 289,486,120주를 기준으로 회사 발행 보통주 중 35.1%에 해당합니다. 여러 관련 법인이 섹션 13(d) 보고 그룹에서 제외되어 더 이상 실질적으로 주식을 보유하지 않습니다. 신고서에는 또한 Endeavor 주주들이 주주간 계약에 따라 회사 이사회에 네 명의 이사를 지명했다고 적혀 있습니다.

SGF FANG Holdings, LP est devenue la détentrice enregistrée de 101 686 727 actions ordinaires de Diamondback Energy, Inc. à la suite d'une réorganisation interne le 13 août 2025. Le dépôt précise que Lyndal Stephens Greth demeure la bénéficiaire ultime et que la réorganisation n'a modifié que la forme, pas le montant, de sa participation.

La participation déclarée représente 35,1% du capital social en circulation, sur la base de 289 486 120 actions en circulation au 1er août 2025. Plusieurs entités affiliées ont quitté le groupe de déclaration au titre de la Section 13(d) et ne détiennent plus d'actions à titre bénéficiaire. Le dossier indique également que les Endeavor Stockholders ont nommé quatre administrateurs au conseil de la société en vertu d'un accord d'actionnaires.

SGF FANG Holdings, LP wurde infolge einer internen Umstrukturierung am 13. August 2025 als eingetragener Inhaber von 101.686.727 Stammaktien der Diamondback Energy, Inc. registriert. Die Meldung besagt, dass Lyndal Stephens Greth weiterhin die wirtschaftlich Berechtigte ist und die Umstrukturierung lediglich die Form, nicht jedoch die Höhe ihres Anteils verändert hat.

Der gemeldete Anteil entspricht 35,1% des ausstehenden Stammkapitals, basierend auf 289.486.120 ausstehenden Aktien per 1. August 2025. Mehrere verbundene Einheiten haben die Meldengruppe nach Section 13(d) verlassen und besitzen keine Aktien mehr als wirtschaftliche Eigentümer. In der Meldung wird außerdem angegeben, dass die Endeavor-Aktionäre gemäß einer Aktionärsvereinbarung vier Direktoren für den Vorstand nominiert haben.






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).






SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: On August 13, 2025, in connection with the Reorganization (as defined and described in Item 2(a) hereto), SGF FANG Holdings, LP became the record holder of 101,686,727 shares of Company Common Stock. Lyndal Stephens Greth ("Mrs. Stephens Greth") remains the ultimate beneficial owner of the shares. Note to Row 13: Based upon 289,486,120 shares of Company Common Stock outstanding as of August 1, 2025, as disclosed by the Company in its Form 10-Q filed with the Securities and Exchange Commission (the "SEC") on August 6, 2025.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Rows 8, 10, and 11: Following the Reorganization, these figures consist of 101,686,727 shares of Company Common Stock held directly by SGF FANG Holdings, LP, which is ultimately controlled by Mrs. Stephens Greth. Mrs. Stephens Greth is the ultimate beneficial owner of the shares of Company Common Stock. Note to Row 13: Based upon 289,486,120 shares of Company Common Stock outstanding as of August 1, 2025, as disclosed by the Company in its Form 10-Q filed with the SEC on August 6, 2025.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: On August 13, 2025, in connection with the Reorganization, SGF FANG Holdings, LP became the record holder of 101,686,727 shares of Company Common Stock. Mrs. Stephens Greth remains the ultimate beneficial owner of the shares. The Autry Stephens Management Trust no longer beneficially owns any shares of Company Common Stock following the Reorganization. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: On August 13, 2025, in connection with the Reorganization, SGF FANG Holdings, LP became the record holder of 101,686,727 shares of Company Common Stock. Mrs. Stephens Greth remains the ultimate beneficial owner of the shares. ACS Capital Management, LLC no longer beneficially owns any shares of Company Common Stock following the Reorganization. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: On August 13, 2025, in connection with the Reorganization, SGF FANG Holdings, LP became the record holder of 101,686,727 shares of Company Common Stock. Mrs. Stephens Greth remains the ultimate beneficial owner of the shares. ACS Capital Holdings, LP no longer beneficially owns any shares of Company Common Stock following the Reorganization. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: On August 13, 2025, in connection with the Reorganization, SGF FANG Holdings, LP became the record holder of 101,686,727 shares of Company Common Stock. Mrs. Stephens Greth remains the ultimate beneficial owner of the shares. Endeavor Manager, LLC no longer beneficially owns any shares of Company Common Stock following the Reorganization. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: The Stephens Family Trust is not the record holder or the ultimate beneficial owner of any shares of Company Common Stock. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: The Stephens Family Trust #2 is not the record holder or the ultimate beneficial owner of any shares of Company Common Stock. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: SFT Management, LLC is not the record holder or the ultimate beneficial owner of any shares of Company Common Stock. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: SFT 1 Holdings, LLC is not the record holder or the ultimate beneficial owner of any shares of Company Common Stock. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D




Comment for Type of Reporting Person:
Note to Row 1: SFT 2 Holdings, LLC is not the record holder or the ultimate beneficial owner of any shares of Company Common Stock. Accordingly, it has exited the Section 13(d) reporting scheme and will no longer be a Reporting Person on this Schedule 13D going forward.


SCHEDULE 13D


SGF FANG Holdings, LP
Signature:By: SGF Capital, LLC, its general partner /s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
Greth Lyndal
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
Autry Stephens Management Trust
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
ACS Capital Management, LLC
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
ACS Capital Holdings, LP
Signature:By: ACS Capital Management, LLC, its general partner /s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
Endeavor Manager, LLC
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
Stephens Family Trust
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
Stephens Family Trust #2
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
SFT Management, LLC
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
SFT 1 Holdings, LLC
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025
SFT 2 Holdings, LLC
Signature:/s/ Kevin T. Keen
Name/Title:Kevin T. Keen/Attorney-in-fact
Date:08/15/2025

FAQ

What stake in Diamondback Energy (FANG) does SGF FANG Holdings, LP now hold?

SGF FANG Holdings, LP is the record holder of 101,686,727 shares, representing 35.1% of outstanding common stock based on 289,486,120 shares.

Who is the ultimate beneficial owner after the reorganization?

The filing states that Lyndal Stephens Greth remains the ultimate beneficial owner of the shares held by SGF FANG Holdings, LP.

Did any entities exit the Section 13(d) reporting group?

Yes. The Autry Stephens Management Trust, ACS Capital Management, LLC, ACS Capital Holdings, LP, Endeavor Manager, LLC, the Stephens Family Trusts and certain holding entities no longer beneficially own shares and have exited the 13(d) reporting scheme.

Did the filing indicate changes to board composition?

The filing states that the Endeavor Stockholders have nominated four directors to the company's board under their Stockholders Agreement; the filing does not state whether those nominations resulted in appointments.

When did the reorganization that changed record ownership occur?

The reorganization took place on August 13, 2025, when SGF FANG Holdings, LP became the record holder of the shares.
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