FANG SCHEDULE 13D/A: SEC filing
A Schedule 13D/A amendment was
Filed with the SEC on · accession 0001140361-26-037012
FANG filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Sep 17, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +1.2% by the first close after the filing.
Summary of the filing
A Schedule 13D/A amendment was filed for Diamondback Energy, Inc. (FANG), but the filing text provided contains only the EDGAR directory listing and no substantive disclosure content.
Key details
How FANG stock reacted
Close before
$194.54
Sep 16, 2026
First close after
+1.23%
$196.94
5 trading days
-4.57%
$185.65
Since filing
-7.69%
$179.58
✦ Ask GOAX AI about this filing — what it means for FANG, what changed since its last filings and what to watch next.
Try it free for 7 days🔔 Want to stay updated on new SEC filings for FANG?
Click hereFrequently asked questions
What did FANG file with the SEC on Sep 17, 2026?
FANG filed a SCHEDULE 13D/A (SEC filing). A Schedule 13D/A amendment was filed for Diamondback Energy, Inc. (FANG), but the filing text provided contains only the EDGAR directory listing and no substantive disclosure content.
How do I read a SCHEDULE 13D/A?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).
How did FANG stock react to this filing?
FANG closed at $194.54 before the filing and $196.94 on Sep 17, 2026 (+1.23%). Five trading days later: $185.65 (-4.57%).
Other FANG SEC filings
Get alerts when FANG files with the SEC, plus live charts, key levels and news for 13,000+ stocks.
Try SEPT free for 7 days