West Pharmaceutical Services, Inc. (WST) Insider Trading

Over the last 3 months, WST insiders made 0 open-market buys and 2 sales, a net sale of -$1.1M (SEC Form 4). Over the last 6 months, 581 institutions increased and 586 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
2
Net (3m)
-$1.1M
Insider trades by month Buys Sells
Mar
May
Jun
Aug
Oct
Apr
Context3-month price +27.9%Institutions mixed (13F)
DateInsiderTypeSharesPrice
May 14, 2026Campbell Shane Aldenofficer: SVP, Proprietary SegmentOption474
May 14, 2026Campbell Shane Aldenofficer: SVP, Proprietary SegmentTax135$312.07
May 14, 2026Campbell Shane Aldenofficer: SVP, Proprietary SegmentOption296
May 14, 2026Campbell Shane Aldenofficer: SVP, Proprietary SegmentTax84$312.07
May 6, 2026Feehery William FdirectorGrant791
May 6, 2026Michels Douglas AdirectorGrant791
May 6, 2026Pucci PaolodirectorGrant791
May 6, 2026Joseph MollydirectorGrant791
May 6, 2026Keller Deborah LdirectorGrant791
May 6, 2026BUTHMAN MARK AdirectorGrant791
May 6, 2026FRIEL ROBERT FdirectorGrant791
May 6, 2026Lockhart Stephen HdirectorGrant791
May 6, 2026HAUGEN JANET BRUTSCHEAdirectorGrant791
May 6, 2026LAI GOLDMAN MYLAdirectorGrant791
Apr 29, 2026Favorite Annette Fofficer: Sr. VP & Chief HR OfficerSell2,817$305.20
Apr 29, 2026Winters Chadofficer: VP, Chief Accounting OfficerSell896$300.67
Apr 29, 2026Winters Chadofficer: VP, Chief Accounting OfficerOption896$173.22
Apr 29, 2026Favorite Annette Fofficer: Sr. VP & Chief HR OfficerOption2,817$83.47
Feb 23, 2026Winters Chadofficer: VP, Chief Accounting OfficerOption89
Feb 23, 2026Winters Chadofficer: VP, Chief Accounting OfficerTax30$241.12
Feb 23, 2026Poussot Rodolphe Jeanofficer: SVP, Strategy & Corporate DevOption383
Feb 23, 2026Poussot Rodolphe Jeanofficer: SVP, Strategy & Corporate DevTax130$241.12
Feb 23, 2026Witherspoon Charlesofficer: VP & TreasurerOption60
Feb 23, 2026Witherspoon Charlesofficer: VP & TreasurerTax22$241.12
Feb 19, 2026Witherspoon Charlesofficer: VP & TreasurerGrant116
Feb 19, 2026Green Eric Markdirector, officer: President, CEO and Board ChairOption1,319
Feb 19, 2026Favorite Annette Fofficer: Sr. VP & Chief HR OfficerOption135
Feb 19, 2026Green Eric Markdirector, officer: President, CEO and Board ChairTax1,305$243.19
Feb 19, 2026Favorite Annette Fofficer: Sr. VP & Chief HR OfficerTax36$248.26
Feb 19, 2026Winters Chadofficer: VP, Chief Accounting OfficerTax51$243.19

Source: WST SEC Form 4 filings, latest May 14, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their WST positions over the last 6 months (SEC Form 13F).

Increased
581
New positions
179
Reduced
586
Sold out
186
Largest moves
InstitutionActionSharesFiled
VANGUARD GROUP INCReduced9.5MJan 29, 2026
BLACKROCK, INC.Increased6.8MMay 13, 2026
BLACKROCK, INC.Increased6.6MFeb 12, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position4.7MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position4.1MMay 8, 2026
STATE STREET CORPIncreased3.3MMay 15, 2026
STATE STREET CORPIncreased3.3MFeb 13, 2026
ARTISAN PARTNERS LIMITED PARTNERSHIPIncreased2.9MFeb 17, 2026
BANK OF NEW YORK MELLON CORPReduced2.7MFeb 10, 2026
ARTISAN PARTNERS LIMITED PARTNERSHIPReduced2.7MMay 13, 2026
BANK OF NEW YORK MELLON CORPReduced2.5MMay 5, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.Increased2.3MMay 15, 2026
GENERATION INVESTMENT MANAGEMENT LLPIncreased2.2MMay 14, 2026
BROWN ADVISORY INCReduced1.9MFeb 13, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased1.9MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.