Diamondback (FANG) EVP Matt Zmigrosky Withholds 861 Shares for Taxes

What Happened
Matt Zmigrosky, Executive Vice President and Chief Legal & Administrative Officer of Diamondback Energy (FANG), had 861 shares of common stock withheld to satisfy tax withholding related to the vesting/settlement of time‑based RSUs. The withheld shares were valued at $202.63 each, for a total of $174,464. This was a tax‑withholding/net settlement of vested awards (not an open‑market sale).

Key Details

• Transaction date: 2026-09-10; filing date (Form 4): 2026-09-14 (filed timely).
• Amount: 861 shares withheld at $202.63 per share; total value ≈ $174,464.
• Reason/footnote: Shares were withheld to satisfy the issuer’s tax withholding obligations in connection with the vesting and settlement on Sept 10, 2026 of the second tranche of RSUs granted on Sept 10, 2024. Number withheld was based on the closing price on Sept 9, 2026.
• Shares owned after transaction: Not specified in the information provided in this summary.

Context
This transaction is a routine tax withholding (Form 4 code F) tied to RSU vesting and should not be read as a discretionary open‑market sale or purchase by the insider. Net share settlements are common when companies withhold shares to cover tax obligations upon award vesting.