WaveMan · Form 4
Cook William M insider trades
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Cook William M insider trades

Cook William M has filed 33 Form 4s with the SEC that we hold, for Mativ Holdings, Inc. (MATV) (Director), Axalta Coating Systems Ltd. (AXTA) (Director), Idex Corp /DE/ (IEX) (Director) and NP (Director). Across all of them we count 8 purchases worth $328.0K and 1 sale worth $151.4K reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 679 shares of Idex Corp /DE/ worth $151.4K, dated 2021-11-01. The first filing on our record is dated 2021-11-02 and the latest 2026-07-06.

Mativ Holdings, Inc. (MATV)

Director · 20 filings · 5 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-09-19P, purchase reported on Form 41,500$37.4K2022-09-20
2022-11-14P, purchase reported on Form 41,500$43.6K2022-11-16
2023-09-15P, purchase reported on Form 41,500$23.3K2023-09-18
2024-11-15P, purchase reported on Form 42,500$31.1K2024-11-15
2025-05-29P, purchase reported on Form 45,000$29.2K2025-06-02

Axalta Coating Systems Ltd. (AXTA)

Director · 10 filings · 3 purchases and sales
Trade dateCodeSharesValue as filedFiled
2022-03-04P, purchase reported on Form 42,000$49.3K2022-03-07
2023-03-14P, purchase reported on Form 42,500$73.9K2023-03-15
2023-09-12P, purchase reported on Form 41,500$40.2K2023-09-14

Idex Corp /DE/ (IEX)

Director · 2 filings · 1 purchase or sale
Trade dateCodeSharesValue as filedFiled
2021-11-01S, sale reported on Form 4679$151.4K2021-11-02

NP (NP)

Director · 1 filing · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1226577) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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