Career & Filing History
Every role Matt Zmigrosky has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Matt Zmigrosky serves as EVP, Chief Legal and Admin Off of Diamondback Energy, Inc. (FANG). Zmigrosky has also held reporting roles at VNOM Sub, Inc. (VNOM). Zmigrosky has reported 10 insider filings with the SEC since 2025. The most recent filing was in August 2026.
Every role Matt Zmigrosky has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Diamondback Energy, Inc. (FANG)3 filingsUpdated Aug 30, 2026
Matt Zmigrosky is EVP, Chief Legal and Admin Off of Diamondback Energy, Inc. (FANG). 10 SEC Form 4 filings on record going back to 2025, most recently on 17 August 2026. Most recent open-market trade: sold $507K of FANG on 17 August 2026. Lifetime open-market sales: $8.62M.
Every recent SEC Form 4 transaction Matt Zmigrosky has reported, most recent first.
InsiderAlpha's records for Matt Zmigrosky go back to 2025: 10 primary Form 4 filings, an average of 5.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Insiders who reported open-market trades in the last 12 months at the companies Matt Zmigrosky files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Matt Zmigrosky is a corporate insider, tracked as EVP, Chief Legal and Admin Off of Diamondback Energy, Inc. (FANG). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases and 7 open-market sales ($8.62M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$FANG Diamondback Energy, Inc.5.0K shares @ $200.54$1.00M