Form4insider filings, from the source

Company · CIK 0001000623 · SIC 2621 — Paper Mills · NYSE

Mativ Holdings, Inc. · MATV

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 DMForm 4 →Sep 3, 4:19 pm EDTMark W JohnsonCLO and Corporate Secretary12,888$11.89$76,619125,113—
Jul 1, 2026 FForm 4 →Jul 21, 5:29 pm EDTMarco LeviDirector5,499$7.57$41,62757,201— late

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 MForm 4 →Sep 3, 4:19 pm EDTMark W JohnsonCLO and Corporate Secretary6,444——0—
Jul 1, 2026 AForm 4 →Jul 6, 8:16 pm EDTWilliam M CookDirector22,516——80,539—
Jul 1, 2026 AForm 4 →Jul 6, 8:14 pm EDTKimberly E RitrieviDirector21,605——61,549—
Jul 1, 2026 AForm 4 →Jul 6, 6:33 pm EDTBruce Andrew HausmannDirector19,815——19,815—
Jul 1, 2026 AForm 4 →Jul 6, 6:32 pm EDTMarco LeviDirector19,815——19,815—
Jul 1, 2026 AForm 4 →Jul 6, 6:26 pm EDTDeborah BorgDirector19,815——19,815—
Jul 1, 2026 AForm 4 →Jul 6, 6:24 pm EDTJohn K StipancichDirector19,815——19,815—