Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 31 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

31 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 4, 2011 WST S 3,712 $46.72 $173,425 0 Indirect -100.00% Disposed 1578.7% (price as of )
May 4, 2011 WST S 3,000 $46.86 $140,580 13,858 Direct -17.80% Disposed 1573.7% (price as of )
Aug. 26, 2009 WST S 4,000 $40.37 $161,480 10,944 Direct -26.77% Disposed 1842.8% (price as of )
Feb. 26, 2008 WST S 6,000 $41.58 $249,480 8,793 Direct -40.56% Disposed 1786.2% (price as of )
Nov. 13, 2006 WST S 6,000 $48.11 $288,660 6,917 Direct -46.45% Disposed 1530.2% (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
Feb. 21, 2012 WST Stock Option (Right to Buy) Common Stock (18,916) $42.44 Feb. 21, 2022 18,916 Acquired
May 4, 2011 WST Stock Option (Right to Buy) Common Stock (3,000) $25.53 March 9, 2015 3,000 Disposed
Feb. 22, 2011 WST Stock Appreciate Right Common Stock (17,123) $40.85 Feb. 22, 2021 17,123 Acquired
March 22, 2010 WST Stock Option (Right to Buy) Common Stock (18,916) $42.68 March 22, 2020 18,916 Acquired
Aug. 26, 2009 WST Stock Option (Right to Buy) Common Stock (4,000) $19.36 May 5, 2015 4,000 Disposed
Feb. 24, 2009 WST Stock Option (Right to Buy) Common Stock (13,000) $32.09 Feb. 24, 2019 13,000 Acquired
Feb. 26, 2008 WST Stock Option (Right to Buy) Common Stock (6,000) $14.41 March 8, 2012 6,000 Disposed
Feb. 26, 2008 WST Stock Option (Right to Buy) Common Stock (13,749) $41.70 Feb. 26, 2018 13,749 Acquired
Feb. 27, 2007 WST Stock Option (Right to Buy) Common Stock (13,169) $44.97 Feb. 27, 2018 13,169 Acquired
Nov. 13, 2006 WST Stock Option (Right to Buy) Common Stock (6,000) $11.30 April 28, 2008 6,000 Disposed
Feb. 24, 2006 WST Stock Option (Right to Buy) Common Stock (9,282) $32.58 Feb. 24, 2016 9,282 Acquired
Feb. 24, 2006 WST Stock Option (Right to Buy) Common Stock (9,282) $32.58 Feb. 24, 2016 9,282 Acquired

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

Initial ownership (Form 3) 7 holdings

07

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

DateTickerSecuritySharesOwnership
Sept. 13, 2006 WST Common Stock [F1,F2] 5,994 Direct
Oct. 7, 2005 WST Common Stock 8,737 Direct
Oct. 7, 2005 WST Common Stock 5,671 Indirect
Oct. 7, 2005 WST Stock Option (Right to Buy)→ Common Stock (6,000) 6,000 Direct
Oct. 7, 2005 WST Stock Option (Right to Buy)→ Common Stock (6,000) 6,000 Direct
Oct. 7, 2005 WST Stock Option (Right to Buy)→ Common Stock (3,000) 3,000 Direct
Oct. 7, 2005 WST Stock Option (Right to Buy)→ Common Stock (4,000) 4,000 Direct

Holdings reported on Form 4 24 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
Feb. 23, 2012 WST Common Stock 13 · · Indirect
Feb. 23, 2012 WST Common Stock 1,131 · · Indirect
May 6, 2011 WST Common Stock 13,858 · · Direct
May 6, 2011 WST Common Stock 1,114 · · Indirect
May 4, 2011 WST Common Stock 3,712 · · Indirect
May 4, 2011 WST Common Stock 1,114 · · Indirect
Feb. 24, 2011 WST Common Stock 3,697 · · Indirect
Feb. 24, 2011 WST Common Stock 1,110 · · Indirect
Feb. 23, 2010 WST Common Stock 3,636 · · Indirect
Feb. 23, 2010 WST Common Stock 1,091 · · Indirect
Aug. 27, 2009 WST Common Stock 3,609 · · Indirect
Aug. 27, 2009 WST Common Stock 1,083 · · Indirect
Feb. 26, 2009 WST Common Stock 3,575 · · Indirect
Feb. 26, 2009 WST Common Stock 1,073 · · Indirect
Sept. 2, 2008 WST Common Stock 8,830 · · Direct
Sept. 2, 2008 WST Common Stock 1,065 · · Indirect
Feb. 28, 2008 WST Common Stock 6,288 · · Indirect
Feb. 28, 2008 WST Common Stock 1,058 · · Indirect
March 2, 2007 WST Common Stock 6,007 · · Indirect
March 2, 2007 WST Common Stock 1,047 · · Indirect
March 1, 2007 WST Common Stock 6,007 · · Indirect
Nov. 14, 2006 WST Common Stock 5,901 · · Indirect
April 7, 2006 WST Common Stock 5,767 · · Indirect
Feb. 28, 2006 WST Common Stock 5,767 · · Indirect