Insider at

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Insider transactions

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0 buys (P) 1 sells (S) Net: $-269,400 + 41 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

41 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
April 27, 2026 WST S 896 $300.67 $269,400 1,523 Direct -37.04% Disposed 30.4% (price as of )
March 11, 2024 WST S 815 $358.82 $292,438 1,309 Direct -38.37% Disposed 9.3% (price as of )
Dec. 4, 2023 WST S 1,013 $349.00 $353,537 1,270 Direct -44.37% Disposed 12.4% (price as of )
Dec. 1, 2023 WST S 1,013 $349.00 $353,537 1,270 Direct -44.37% Disposed 12.4% (price as of )

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
April 27, 2026 WST Stock Options (Right to Buy) Common Stock (896) $173.22 Feb. 18, 2030 896 Disposed
March 1, 2026 WST Rst. Stock Unit Common Stock (340) · · 340 Acquired
March 1, 2026 WST Stock Option (Right to Buy) Common Stock (808) $254.34 March 1, 2036 808 Acquired
Feb. 20, 2026 WST Rst. Stock Unit Common Stock (89) · · 89 Disposed
Feb. 18, 2025 WST Stock Option (Right to Buy) Common Stock (822) $211.00 Feb. 18, 2035 822 Acquired
Feb. 18, 2025 WST Rst. Stock Unit Common Stock (356) $0.00 · 356 Acquired
March 11, 2024 WST Stock Options (Right to Buy) Stock Options (Right to Buy) (675) $173.22 Feb. 18, 2030 675 Disposed
Feb. 20, 2024 WST Stock Options (Right to Buy) Stock Options (Right to Buy) (1,020) $350.18 Feb. 20, 2034 1,020 Acquired
Dec. 4, 2023 WST Stock Options (Right to Buy) Stock Options (Right to Buy) (456) $143.43 Oct. 29, 2029 456 Disposed
Dec. 4, 2023 WST Stock Options (Right to Buy) Stock Options (Right to Buy) (341) $173.22 Feb. 18, 2030 341 Disposed
Dec. 1, 2023 WST Stock Options (Right to Buy) Stock Options (Right to Buy) (456) $143.43 Oct. 29, 2029 456 Disposed
Dec. 1, 2023 WST Stock Options (Right to Buy) Stock Options (Right to Buy) (341) $173.22 Feb. 18, 2030 341 Disposed
May 30, 2023 WST Stock Options (Right to buy) Common Stock (872) $143.43 Oct. 29, 2029 872 Disposed
Feb. 21, 2023 WST Stock Options (Right to buy) Stock Options (Right to Buy) (1,012) $306.68 Feb. 21, 2033 1,012 Acquired
Feb. 22, 2022 WST Stock Options (Right to buy) Stock Options (Right to Buy) (1,036) $369.13 Feb. 22, 2032 1,036 Acquired
Feb. 23, 2021 WST Stock Options (Right to buy) Common Stock (1,388) $274.29 Feb. 23, 2031 1,388 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 6 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
May 7, 2020 WST Common Stock 489 Direct
May 7, 2020 WST Stock Options (Right to buy)→ Common Stock (1,912) 1,912 Direct
May 7, 2020 WST Stock Options (Right to buy)→ Common Stock (1,328) 1,328 Direct
May 7, 2020 WST Common Stock 489 Direct
May 7, 2020 WST Stock Options (Right to buy)→ Common Stock (1,912) 1,912 Direct
May 7, 2020 WST Stock Options (Right to buy)→ Common Stock (1,328) 1,328 Direct