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WST • CIK 0000105770
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People and entities that have reported ownership via Form 3, 3/A, 4, 4/A, 5, 5/A
Parsed transactions from Form 4 (and 3/5) filings (past year)
0 transactions · 0 shares
— total value
6 transactions · 15.66K shares
$5.44M total value
13 transactions · 37.48K shares
| Filing Date | Insiders | Transactions | Filing |
|---|---|---|---|
| Oct 2, 2026 | HAUGEN JANET BRUTSCHEA | Grant/Award: 44 shares | View |
| Sep 15, 2026 | Favorite Annette F | Exercised 15.05K options @ $44.82/share; sold 7.52K @ $355.0319/share ($2.67M) | View |
| Sep 10, 2026 | Lagarde Michel | Grant/Award: 51.80K shares | View |
| Sep 10, 2026 | Favorite Annette F | Exercised 8.13K options @ $85.3661/share; sold 8.13K @ $340.81/share ($2.77M) | View |
| Aug 12, 2026 | McMahon Robert W. | Exercised 14.30K options Tax Withholding: 3.11K @ $351.37 ($1.09M) | View |
| Feb 23, 2026 | — | — | View |
| Feb 23, 2026 | — | — | View |
| Feb 23, 2026 | — | — | View |
| Feb 19, 2026 | — | — | View |
| Feb 19, 2026 | — | — | View |
| Feb 19, 2026 | — | — | View |
| Feb 19, 2026 | — | — | View |
| Feb 19, 2026 | — | — | View |
| Feb 12, 2026 | — | — | View |
| Dec 10, 2025 | — | — | View |