Cook William M made one open market purchase of Mativ Holdings ($MATV) shares in the last year, totaling about $29,200, with the most recent on May 29, 2025. This ranks him 3,462nd out of nearly 5,000 insiders, well below the average purchase of $1.46 million across 3.3 transactions. He reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | M | Restricted Stock Units | 5832 | $0.00 | 0.0000 | 213,400,000 | 100.00% | 0.00% |
| March 3, 2026 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | A | Restricted Stock Units | 6313 | $0.00 | 6,313.0000 | 213,400,000 | 9999.99% | 0.00% |
| March 4, 2026 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | M | Common Shares | 5832 | $0.00 | 49,959.0000 | 213,400,000 | 13.22% | 0.00% |
| Jan. 1, 2026 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock | 306 | $12.49 | 57,230.0000 | 54,681,114 | 0.54% | 0.00% |
| Jan. 1, 2026 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock | 793 | $11.82 | 58,023.0000 | 54,681,114 | 1.39% | 0.00% |
| July 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock | 2108 | $6.82 | 55,214.0000 | 54,648,991 | 3.97% | 0.00% |
| Oct. 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock | 1271 | $11.31 | 56,924.0000 | 54,681,114 | 2.28% | 0.00% |
| Oct. 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock | 439 | $12.57 | 55,653.0000 | 54,681,114 | 0.80% | 0.00% |
| July 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock | 18328 | $6.82 | 52,491.0000 | 54,648,991 | 53.65% | 0.03% |
| July 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock | 615 | $5.55 | 53,106.0000 | 54,648,991 | 1.17% | 0.00% |
| May 29, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | P | Common Stock | 5000 | $5.84 | 26,436.0000 | 54,335,830 | 23.33% | 0.01% |
| April 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 5008 | $6.24 | 31,622.0000 | 54,335,830 | 18.82% | 0.01% |
| April 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 2103 | $6.24 | 33,725.0000 | 54,335,830 | 6.65% | 0.00% |
| April 1, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 438 | $6.07 | 34,163.0000 | 54,335,830 | 1.30% | 0.00% |
| March 4, 2025 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | A | Restricted Stock Units | 5832 | $0.00 | 5,832.0000 | 218,100,000 | 9999.99% | 0.00% |
| Feb. 28, 2025 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | M | Common Shares | 6157 | $0.00 | 44,127.0000 | 218,100,000 | 16.22% | 0.00% |
| Feb. 28, 2025 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | M | Restricted Stock Units | 6157 | $0.00 | 0.0000 | 218,100,000 | 100.00% | 0.00% |
| Jan. 3, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 171 | $13.15 | 26,614.0000 | 54,335,830 | 0.65% | 0.00% |
| Jan. 3, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 2866 | $10.90 | 25,383.0000 | 54,335,830 | 12.73% | 0.01% |
| Jan. 3, 2025 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1060 | $10.90 | 26,443.0000 | 54,335,830 | 4.18% | 0.00% |
| Nov. 15, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | P | Common Stock | 2500 | $12.45 | 21,436.0000 | 54,328,913 | 13.20% | 0.00% |
| Oct. 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 102 | $18.56 | 22,517.0000 | 54,328,913 | 0.46% | 0.00% |
| Oct. 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1839 | $16.99 | 20,798.0000 | 54,328,913 | 9.70% | 0.00% |
| Oct. 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1617 | $16.99 | 22,415.0000 | 54,328,913 | 7.77% | 0.00% |
| July 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1399 | $16.96 | 18,874.0000 | 54,324,185 | 8.01% | 0.00% |
| July 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 85 | $18.72 | 18,959.0000 | 54,324,185 | 0.45% | 0.00% |
| July 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1400 | $16.96 | 17,475.0000 | 54,324,185 | 8.71% | 0.00% |
| April 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1133 | $18.75 | 16,000.0000 | 54,211,124 | 7.62% | 0.00% |
| April 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1266 | $18.75 | 14,867.0000 | 54,211,124 | 9.31% | 0.00% |
| April 1, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 75 | $18.00 | 16,075.0000 | 54,211,124 | 0.47% | 0.00% |
| Feb. 28, 2024 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | M | Common Shares | 6711 | $0.00 | 37,970.0000 | 220,100,000 | 21.47% | 0.00% |
| Feb. 28, 2024 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | A | Restricted Stock Units | 6157 | $0.00 | 6,157.0000 | 220,100,000 | 9999.99% | 0.00% |
| Feb. 28, 2024 | Axalta Coating Systems Ltd. | $AXTA | COOK WILLIAM M | Director | M | Restricted Stock Units | 6711 | $0.00 | 0.0000 | 220,100,000 | 100.00% | 0.00% |
| Jan. 2, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1387 | $15.31 | 13,314.0000 | 54,211,124 | 11.63% | 0.00% |
| Jan. 2, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 1551 | $15.31 | 11,927.0000 | 54,211,124 | 14.95% | 0.00% |
| Jan. 2, 2024 | Mativ Holdings, Inc. | $MATV | COOK WILLIAM M | Not found | A | Phantom Stock Units | 287 | $15.96 | 13,601.0000 | 54,211,124 | 2.16% | 0.00% |