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Diamondback Energy

Close the divestiture of Williston Basin assets

Delivered after the deadline (21 days after the deadline)

AI-confirmed · human review in progress Independent AI checks agreed on primary SEC or regulator evidence. Records are now being reviewed by hand, starting with those our customers order.

Announced
4 May 2021
Due
30 Sep 2021
Delivered
21 Oct 2021
  • Deadline
  • Met
  • Late
  • Not met
  • Today

What the company said

“Transaction expected to close in the third quarter of 2021, subject to continued diligence and closing conditions”

What we found

Evidence strength A What the grades mean

The company announced the divestiture of its Williston Basin assets would close in the third quarter of 2021, but the transaction was completed on October 21, 2021, which is in the fourth quarter.

  • A
    Diamondback Energy 8-K filed 2021-11-01 Regulatory filing · published 1 Nov 2021 · retrieved 13 Oct 2026 · kept permanently by the SEC · fingerprint 93bef0a8816c
    “Closed previously announced divestiture of Williston Basin assets on October 21, 2021” ✓ confirmed on the page

Market reaction: the shares moved +3.1% against the S&P 500 over the three sessions around the disclosure (29 Oct 2021 to 3 Nov 2021). What this measures

Checked 13 Oct 2026.

Commitment DNA

The structured record of this commitment. Fields the company did not state are left blank rather than guessed.

Event type
Acquisition close
Indicative materiality
High rules
Action
Close
Deliverable
Williston Basin assets divestiture
Where
Williston Basin
Language
Expected (“expects”, “plans”)
In the company’s control
Medium
Specificity
High
Conditional
Yes: subject to continued diligence and closing conditions
Depends on
Counterparty

How this entry was checked

  1. Commitment recordedThe company's words were matched word for word against the filing.
  2. First checkAn AI model, Gemini (Google), read the company's later filings and recorded the outcome with a quoted passage.
  3. Second check: agreesA different AI model, Claude (Anthropic), re-read the evidence without being told the outcome and reached the same answer.

Confirmed. This outcome counts towards the company's Kept Score. How verification works

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Report an error in this entry Reference: KI-C-2021-FANG-009301 · Corrections policy

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