Insider · CIK 0001226577
William M Cook
Files at: MATV, IEX, NP, VAL, DCI. On EDGAR ↗
Reported trades — common stock
No reported common-stock activity in this period.
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 1, 2026 AForm 4 → | Jul 6, 8:16 pm EDT | Mativ Holdings, Inc.MATV | 22,516 | — | — | 80,539 | — |