10% Holder SGF FANG Holdings Files to Sell $1.92B of Diamondback Stock
FANG sits 44% above its 52-week low of $135.59 on elevated volume (4.4× avg).
Summary
SGF FANG Holdings, LP, a 10% stockholder that received shares in the Endeavor Parent merger, filed to sell 9.08M shares (~$1.92B) — the largest insider sale filing in the recent 90-day window.
Key Events · Ownership and Investor Activity · FANG
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10% Holder Files $1.92B Sale
SGF FANG Holdings, LP filed to sell 9,079,675 shares (~$1.92B) on 09/16/2026, the largest insider-related sale filing in the 90-day window.
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Shares From Endeavor Merger
The shares were acquired 09/10/2024 as merger consideration for the Endeavor Parent, LLC acquisition — 114,899,378 shares originally received.
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Supply Overhang Risk
The block represents roughly 3.2% of 280,024,353 shares outstanding, creating meaningful near-term selling pressure on the stock.
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Financial Investor, Not Operator
SGF FANG Holdings is a 10% stockholder, not an executive — sales by financial investors typically reflect liquidity or rebalancing rather than a fundamental view.
Analysis · FANG · Energy & Transportation
A 10% stockholder, SGF FANG Holdings, LP, has filed to sell 9.08M shares worth approximately $1.92 billion. The shares were received as merger consideration in the September 2024 Endeavor Parent acquisition, when the holder obtained 114.9M shares. This is the largest insider-related sale filing in the recent 90-day window by a wide margin, and it comes from a financial investor rather than an operating executive. While 10% owners typically sell for liquidity or portfolio rebalancing rather than fundamental reasons, the sheer size of this block — roughly 3.2% of shares outstanding — creates meaningful near-term supply overhang on the stock. The filing is dated today, so the market has not yet absorbed this information.
How filings like this one have moved
In the 30 days to Sep 16, 2026, 34.9% of the 1159 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was -0.43%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, FANG was trading at $195.82 on NASDAQ in the Energy & Transportation sector, with a market capitalization of approximately $54.8B. The 52-week trading range was $135.59 to $216.90. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.