William F. Masterson's most recent trade in Cabot Corp. was a trade of 3 Phantom Stock Units done . Disclosure was reported to the exchange on Sept. 11, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Cabot Corp | William F. Masterson | Senior Vice President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Sep 2026 | 3 | 529 | - | - | Phantom Stock Units | |
| Cabot Corp | William F. Masterson | Senior Vice President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Jun 2026 | 2 | 526 | - | - | Phantom Stock Units | |
| Cabot Corp | William F. Masterson | Senior Vice President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 Mar 2026 | 3 | 523 | - | - | Phantom Stock Units | |
| Cabot Corp | William F. Masterson | Senior Vice President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 31 Dec 2025 | 228 | 520 | - | - | Phantom Stock Units | |
| Cabot Corp | William F. Masterson | Senior Vice President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Dec 2025 | 1 | 291 | - | - | Phantom Stock Units | |
| Cabot Corp | William F. Masterson | Senior Vice President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Dec 2025 | 12,767 | 12,767 | - | - | Employee Stock Option (Right to Buy) | |
| Cabot Corp | William F. Masterson | Senior Vice President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Dec 2025 | 3,486 | 7,210 (0%) | 0% | 0 | Common Stock |