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Matt Zmigrosky

CIK: 0001767328

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (33.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (20.8%)

Compensation grants

Other (G, F, J, C, D, …)11 (45.8%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (3)

Diamondback Energy, Inc. logo
FANG

Diamondback Energy, Inc.

Officer
Viper Energy, Inc. logo
VNOM

Viper Energy, Inc.

Officer
VNOM Sub, Inc. logo
VNOM

VNOM Sub, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (24 total)

  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Sep 15, 2026
    Sale(S)
    Direct
    1.3K shares at avg. $212.56$282K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Sep 10, 2026
    Tax Payment(F)
    Direct
    861 shares at avg. $202.63$174K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Aug 14, 2026
    Sale(S)
    Direct
    2.5K shares at avg. $202.77$507K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Jun 3, 2026
    Sale(S)
    Direct
    5K shares at avg. $210.00$1.1M
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Jun 1, 2026
    Sale(S)
    Direct
    5K shares at avg. $200.54$1.0M
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    May 13, 2026
    Sale(S)
    Direct
    5K shares at avg. $200.10$1.0M
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 18, 2026
    Sale(S)
    Direct
    4.1K shares at avg. $190.51$781K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 13, 2026
    Sale(S)
    Direct
    20.9K shares at avg. $180.00$3.8M
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2026
    Tax Payment(F)
    Direct
    970 shares at avg. $174.08$169K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2026
    Award(A)
    Direct
    7.6K shares-
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2026
    Award(A)
    Direct
    21.4K shares-
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2026
    Tax Payment(F)
    Direct
    8.5K shares at avg. $174.08$1.5M
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2026
    Tax Payment(F)
    Direct
    739 shares at avg. $174.08$129K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2026
    Tax Payment(F)
    Direct
    995 shares at avg. $174.08$173K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Nov 14, 2025
    Sale(S)
    Direct
    3.5K shares at avg. $148.18$519K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Sep 10, 2025
    Tax Payment(F)
    Direct
    861 shares at avg. $136.29$117K
  • VNOM Sub, Inc. logo
    VNOM

    VNOM Sub, Inc.

    Aug 19, 2025
    Disposition(D)
    Direct
    4.3K shares-
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2025
    Tax Payment(F)
    Direct
    970 shares at avg. $158.96$154K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2025
    Tax Payment(F)
    Direct
    955 shares at avg. $158.96$152K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2025
    Tax Payment(F)
    Direct
    9.1K shares at avg. $158.96$1.4M
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2025
    Tax Payment(F)
    Direct
    739 shares at avg. $158.96$117K
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2025
    Award(A)
    Direct
    23.1K shares-
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Mar 1, 2025
    Award(A)
    Direct
    7.4K shares-
  • Diamondback Energy, Inc. logo
    FANG

    Diamondback Energy, Inc.

    Sep 10, 2024
    Award(A)
    Direct
    10.9K shares-

1-24 of 24

About Zmigrosky Matt

Zmigrosky Matt (SEC CIK 0001767328) files insider reports with the SEC as EVP, Chief Legal and Admin Off of Diamondback Energy, Inc. (FANG), Exec. VP, Gen Counsel and Sec of Viper Energy, Inc. (VNOM) and Exec. VP, Gen Counsel and Sec of VNOM Sub, Inc. (VNOM).

Signal8 holds 15 ownership filings by Zmigrosky Matt (1 Form 3, 14 Form 4), filed between Sep 12, 2024 and Sep 17, 2026. Those filings report 24 transactions, from Sep 10, 2024 to Sep 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Zmigrosky Matt's filings is in MIDLAND, TX.

Recent filings by Zmigrosky Matt

  • Sep 15, 2026: Open-market sale of FANG shares (Form 4, code S).
  • Sep 10, 2026: Tax withholding of FANG shares (Form 4, code F).
  • Aug 14, 2026: Open-market sale of FANG shares (Form 4, code S).
  • Jun 3, 2026: Open-market sale of FANG shares (Form 4, code S).
  • Jun 1, 2026: Open-market sale of FANG shares (Form 4, code S).

Other insiders filing for Diamondback Energy, Inc. (FANG)

How to read Form 4 transaction codes