Insider at

04

Insider transactions

05
0 buys (P) 7 sells (S) Net: $-6,303,498 + 65 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

65 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 15, 2026 WST S 10b5-1 2,524 $365.00 $921,260 21,818 Direct -10.37% Disposed 7.4% (price as of )
Sept. 14, 2026 WST S 10b5-1 2,500 $355.00 $887,500 21,818 Direct -10.28% Disposed 10.5% (price as of )
Sept. 11, 2026 WST S 10b5-1 2,500 $345.00 $862,500 21,818 Direct -10.28% Disposed 13.7% (price as of )
Sept. 8, 2026 WST S 2,817 $340.81 $960,062 16,845 Direct -14.33% Disposed 15.1% (price as of )
Sept. 8, 2026 WST S 2,818 $340.81 $960,403 16,845 Direct -14.33% Disposed 15.1% (price as of )
Sept. 8, 2026 WST S 2,500 $340.81 $852,025 16,845 Direct -12.92% Disposed 15.1% (price as of )
April 27, 2026 WST S 2,817 $305.20 $859,748 16,828 Direct -14.34% Disposed 28.5% (price as of )
Aug. 30, 2023 WST S 760 $414.20 $314,792 16,117 Direct -4.50% Disposed -5.3% (price as of )
Aug. 30, 2023 WST S 1,240 $414.91 $514,488 14,877 Direct -7.69% Disposed -5.5% (price as of )
May 1, 2023 WST S 9,425 $365.47 $3,444,555 18,464 Direct -33.79% Disposed 7.3% (price as of )
May 1, 2023 WST S 2,687 $366.46 $984,678 15,777 Direct -14.55% Disposed 7.0% (price as of )
May 1, 2023 WST S 900 $367.45 $330,705 14,877 Direct -5.70% Disposed 6.7% (price as of )
April 27, 2020 WST S 2,600 $195.49 $508,274 19,801 Direct -11.61% Disposed 100.6% (price as of )
April 27, 2020 WST S 5,431 $196.60 $1,067,735 14,370 Direct -27.43% Disposed 99.5% (price as of )
April 27, 2020 WST S 4,261 $197.48 $841,462 10,109 Direct -29.65% Disposed 98.6% (price as of )
April 27, 2020 WST S 1,900 $198.38 $376,922 8,209 Direct -18.80% Disposed 97.7% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Sept. 15, 2026 WST Stock Option (Right to Buy) Common Stock (2,524) $89.64 Feb. 20, 2028 2,524 Disposed
Sept. 14, 2026 WST Stock Option (Right to Buy) Common Stock (2,500) $89.64 Feb. 20, 2028 2,500 Disposed
Sept. 11, 2026 WST Stock Option (Right to Buy) Common Stock (2,500) $89.64 Feb. 20, 2028 2,500 Disposed
Sept. 8, 2026 WST Stock Options (Right to Buy) Common Stock (2,817) $83.47 Feb. 21, 2027 2,817 Disposed
Sept. 8, 2026 WST Stock Options (Right to Buy) Common Stock (2,818) $83.47 Feb. 21, 2027 2,818 Disposed
Sept. 8, 2026 WST Stock Option (Right to Buy) Common Stock (2,500) $89.64 Feb. 20, 2028 2,500 Disposed
April 27, 2026 WST Stock Options (Right to Buy) Common Stock (2,817) $83.47 Feb. 21, 2027 2,817 Disposed
March 1, 2026 WST Rst. Stock Unit Common Stock (720) · · 720 Acquired
March 1, 2026 WST Stock Option (Right to Buy) Common Stock (1,712) $254.34 March 1, 2036 1,712 Acquired
Feb. 18, 2026 WST Rst. Stock Unit Common Stock (135) · · 135 Disposed
Feb. 18, 2025 WST Stock Option (Right to Buy) Common Stock (1,251) $211.00 Feb. 18, 2035 1,251 Acquired
Feb. 18, 2025 WST Rst. Stock Unit Common Stock (542) $0.00 · 542 Acquired
Feb. 20, 2024 WST Stock Options (Right to Buy) Stock Options (Right to Buy) (2,597) $350.18 Feb. 20, 2034 2,597 Acquired
Aug. 30, 2023 WST Stock Options (Right to buy) Common Stock (2,000) $83.47 Feb. 21, 2027 2,000 Disposed
May 1, 2023 WST Stock Option (Right to Buy) Common Stock (13,012) $59.64 Feb. 23, 2026 13,012 Disposed
Feb. 21, 2023 WST Stock Options (Right to buy) Stock Options (Right to Buy) (2,988) $306.68 Feb. 21, 2033 2,988 Acquired
Feb. 22, 2022 WST Stock Options (Right to buy) Stock Options (Right to Buy) (3,108) $369.13 Feb. 22, 2032 3,108 Acquired
Feb. 23, 2021 WST Stock Options (Right to buy) Common Stock (3,968) $274.29 Feb. 23, 2031 3,968 Acquired
April 27, 2020 WST Stock Option (Right to Buy) Common Stock (4,728) $55.09 Oct. 5, 2025 4,728 Disposed
April 27, 2020 WST Stock Option (Right to Buy) Common Stock (9,464) $55.09 Oct. 5, 2025 9,464 Disposed
Feb. 18, 2020 WST Stock Options (Right to Buy) Common Stock (5,740) $173.22 Feb. 18, 2030 5,740 Acquired
Feb. 19, 2019 WST Stock Options (Right to buy) Common Stock (8,160) $102.51 Feb. 19, 2029 8,160 Acquired
Feb. 20, 2018 WST Stock Options (Right to buy) Common Stock (10,024) $89.64 Feb. 20, 2028 10,024 Acquired
Feb. 21, 2017 WST Stock Options (Right to buy) Common Stock (10,452) $83.47 Feb. 21, 2027 10,452 Acquired
Feb. 23, 2016 WST Stock Option (Right to Buy) Common Stock (13,012) $59.64 Feb. 23, 2026 13,012 Acquired
Oct. 5, 2015 WST Stock Option (Right to Buy) Common Stock (9,464) $55.09 Oct. 5, 2025 9,464 Acquired
Oct. 5, 2015 WST Stock Option (Right to Buy) Common Stock (4,728) $55.09 Oct. 5, 2025 4,728 Acquired

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

Holdings reported on Form 4 6 reported holdings

08

Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.

DateTickerSecuritySharesExercise priceExpirationOwnership
April 29, 2026 WST Common Stock 4,966 · · Indirect
Feb. 19, 2026 WST Common Stock 4,962 · · Indirect
Jan. 3, 2017 WST Common Stock 5,558 · · Direct
Dec. 19, 2016 WST Common Stock 5,558 · · Direct
Dec. 5, 2016 WST Common Stock 5,558 · · Direct
Nov. 21, 2016 WST Common Stock 5,558 · · Direct

Compensation (DEF 14A)

10

Matched by name from proxy statements (DEF 14A) — verify against the filing.

WST

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2016 $300,000 $150,000 $158,702 $150,028 $171,540 $28,912 $181,709 $1,140,891

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.