Who
William M. Cook
Director
Company insider
Files Form 4 as: Director, Mativ Holdings; Director, Axalta Coating Systems; Director, Neenah; Director, Idex; Director, Valspar; Chairman, Donaldson Company.
In numbers
- Trades disclosed
- 481
- Buys
- 10
- Sells
- 8
- Bought
- $414K
- Sold
- $2.8M
- Companies
- 6
- Companies where not an officer
- 5
- First trade
- 23 Dec 2005
- Last trade
- 1 Jul 2026
- Last filed
- 6 Jul 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —1,075 | filing |
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —658 | filing |
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —968 | filing |
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —1,075 | filing |
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —658 | filing |
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —968 | filing |
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —19,815 | filing |
| 1 Jul 2026filed 6 Jul 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | —19,815 | filing |
| 4 Mar 2026filed 5 Mar 2026 | AXTA Axalta Coating SystemsChemicals | SEC FORM 4 Code M | —5,832 | filing |
| 4 Mar 2026filed 5 Mar 2026 | AXTA Axalta Coating Systemsoption or derivative · Chemicals | SEC FORM 4 Code M | —5,832 at $0.00 | filing |
| 4 Mar 2026filed 5 Mar 2026 | AXTA Axalta Coating Systemsoption or derivative · Chemicals | SEC FORM 4 Code M | —5,832 at $0.00 | filing |
| 4 Mar 2026filed 5 Mar 2026 | AXTA Axalta Coating SystemsChemicals | SEC FORM 4 Code M | —5,832 | filing |
| 3 Mar 2026filed 5 Mar 2026 | AXTA Axalta Coating Systemsoption or derivative · Chemicals | SEC FORM 4 Code A | —6,313 at $0.00 | filing |
| 3 Mar 2026filed 5 Mar 2026 | AXTA Axalta Coating Systemsoption or derivative · Chemicals | SEC FORM 4 Code A | —6,313 at $0.00 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | $3,822306 at $12.49 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | $9,373793 at $11.82 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | $3,822306 at $12.49 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | $9,373793 at $11.82 | filing |
| 1 Oct 2025filed 3 Oct 2025 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | $5,518439 at $12.57 | filing |
| 1 Oct 2025filed 3 Oct 2025 | MATV Mativ Holdingsoption or derivative · Paper & Packaging | SEC FORM 4 Code A | $14K1,271 at $11.31 | filing |
News
Head to Head Contrast: Hyster-Yale (NYSE:HY) & Donaldson (NYSE:DCI)DCI · tickerreport.com · 16 Oct 2026Hyster-Yale (NYSE:HY) versus Donaldson (NYSE:DCI) Financial ReviewDCI · dailypolitical.com · 16 Oct 2026Axalta Coating Systems (NYSE:AXTA) Stock Rating Upgraded by BarclaysAXTA · dailypolitical.com · 15 Oct 2026Head-To-Head Analysis: Wabash National (NYSE:WNC) & Donaldson (NYSE:DCI)DCI · themarketsdaily.com · 10 Oct 2026
0 headlines in the last 90 days name William M. Cook; 4 articles from the last 14 days about the 4 companies they traded most, at most three about any one of them.