WST Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$1.1M
2 insiders
Net Insider Flow
-$1.1M
open market, 180d
Reporting Insiders
2
2 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 30, 2026Haugen Janet BrutscheaDirectorGrant(A)46$359.00$17K
May 12, 2026Campbell Shane AldenSVP, Proprietary SegmentOption exercise(M)474$0
May 12, 2026Campbell Shane AldenSVP, Proprietary SegmentOption exercise(M)296$0
May 12, 2026Campbell Shane AldenSVP, Proprietary SegmentTax withholding(F)135$312.07$42K
May 12, 2026Campbell Shane AldenSVP, Proprietary SegmentOption exercise(M)474
May 12, 2026Campbell Shane AldenSVP, Proprietary SegmentTax withholding(F)84$312.07$26K
May 12, 2026Campbell Shane AldenSVP, Proprietary SegmentOption exercise(M)296
May 4, 2026Buthman Mark ADirectorGrant(A)791$0
May 4, 2026Friel Robert FDirectorGrant(A)791$0
May 4, 2026Feehery William FDirectorGrant(A)791$0
May 4, 2026Keller Deborah LDirectorGrant(A)791$0
May 4, 2026Joseph MollyDirectorGrant(A)791$0
May 4, 2026Haugen Janet BrutscheaDirectorGrant(A)791$0
May 4, 2026Lockhart Stephen HDirectorGrant(A)791$0
May 4, 2026Michels Douglas ADirectorGrant(A)791$0
May 4, 2026Lai Goldman MylaDirectorGrant(A)791$0
May 4, 2026Pucci PaoloDirectorGrant(A)791$0
Apr 27, 2026Favorite Annette FSr. VP & Chief HR OfficerOption exercise(M)3K$83.47$235K
Apr 27, 2026Favorite Annette FSr. VP & Chief HR OfficerSell(S)3K$305.20$860K
Apr 27, 2026Favorite Annette FSr. VP & Chief HR OfficerOption exercise(M)3K$0
Apr 27, 2026Winters ChadVP, Chief Accounting OfficerOption exercise(M)896$173.22$155K
Apr 27, 2026Winters ChadVP, Chief Accounting OfficerSell(S)896$300.67$269K
Apr 27, 2026Winters ChadVP, Chief Accounting OfficerOption exercise(M)896$0
Mar 31, 2026Haugen Janet BrutscheaDirectorGrant(A)52$250.64$13K
Mar 1, 2026Winters ChadVP, Chief Accounting OfficerGrant(A)808$0
Mar 1, 2026Winters ChadVP, Chief Accounting OfficerGrant(A)340$0
Mar 1, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevGrant(A)1K$0
Mar 1, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevGrant(A)437$0
Mar 1, 2026McMahon Robert W.SVP & Chief Financial OfficerGrant(A)7K$0
Mar 1, 2026McMahon Robert W.SVP & Chief Financial OfficerGrant(A)3K$0
Mar 1, 2026Campbell Shane AldenSVP, Proprietary SegmentGrant(A)1K$0
Mar 1, 2026Campbell Shane AldenSVP, Proprietary SegmentGrant(A)3K$0
Mar 1, 2026Favorite Annette FSr. VP & Chief HR OfficerGrant(A)720$0
Mar 1, 2026Favorite Annette FSr. VP & Chief HR OfficerGrant(A)2K$0
Mar 1, 2026Green Eric MarkPresident, CEO and Board Chair, DirectorGrant(A)7K$0
Mar 1, 2026Green Eric MarkPresident, CEO and Board Chair, DirectorGrant(A)17K$0
Mar 1, 2026Finch Norman D. Jr.SVP, GC & Corporate SecretaryGrant(A)3K$0
Mar 1, 2026Finch Norman D. Jr.SVP, GC & Corporate SecretaryGrant(A)1K$0
Feb 20, 2026Winters ChadVP, Chief Accounting OfficerOption exercise(M)89
Feb 20, 2026Winters ChadVP, Chief Accounting OfficerTax withholding(F)30$241.12$7K
Feb 20, 2026Winters ChadVP, Chief Accounting OfficerOption exercise(M)89$0
Feb 20, 2026Witherspoon CharlesVP & TreasurerTax withholding(F)22$241.12$5K
Feb 20, 2026Witherspoon CharlesVP & TreasurerOption exercise(M)60
Feb 20, 2026Witherspoon CharlesVP & TreasurerOption exercise(M)60$0
Feb 20, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevTax withholding(F)130$241.12$31K
Feb 20, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevOption exercise(M)383
Feb 20, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevOption exercise(M)383$0
Feb 18, 2026Favorite Annette FSr. VP & Chief HR OfficerOption exercise(M)135
Feb 18, 2026Favorite Annette FSr. VP & Chief HR OfficerTax withholding(F)36$248.26$9K
Feb 18, 2026Favorite Annette FSr. VP & Chief HR OfficerOption exercise(M)135$0
Feb 18, 2026Green Eric MarkPresident, CEO and Board Chair, DirectorOption exercise(M)1K
Feb 18, 2026Green Eric MarkPresident, CEO and Board Chair, DirectorTax withholding(F)574$248.26$142K
Feb 18, 2026Green Eric MarkPresident, CEO and Board Chair, DirectorOption exercise(M)1K$0
Feb 18, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevTax withholding(F)28$248.26$7K
Feb 18, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevOption exercise(M)82
Feb 18, 2026Poussot Rodolphe JeanSVP, Strategy & Corporate DevOption exercise(M)82$0
Feb 17, 2026Favorite Annette FSr. VP & Chief HR OfficerGrant(A)442$0
Feb 17, 2026Favorite Annette FSr. VP & Chief HR OfficerTax withholding(F)150$243.19$37K
Feb 17, 2026Green Eric MarkPresident, CEO and Board Chair, DirectorGrant(A)4K$0
Feb 17, 2026Green Eric MarkPresident, CEO and Board Chair, DirectorTax withholding(F)1K$243.19$317K
Feb 17, 2026Winters ChadVP, Chief Accounting OfficerGrant(A)150$0
Feb 17, 2026Winters ChadVP, Chief Accounting OfficerTax withholding(F)51$243.19$12K
Feb 17, 2026Witherspoon CharlesVP & TreasurerTax withholding(F)42$243.19$10K
Feb 17, 2026Witherspoon CharlesVP & TreasurerGrant(A)116$0
Feb 11, 2026McMahon Robert W.SVP & Chief Financial OfficerTax withholding(F)1K$246.16$308K
Feb 11, 2026McMahon Robert W.SVP & Chief Financial OfficerOption exercise(M)4K
Feb 11, 2026McMahon Robert W.SVP & Chief Financial OfficerOption exercise(M)4K$0
Dec 31, 2025Haugen Janet BrutscheaDirectorGrant(A)46$275.14$13K
Dec 8, 2025Finch Norman D. Jr.SVP, GC & Corporate SecretaryGrant(A)459$269.08$124K
Dec 8, 2025Finch Norman D. Jr.SVP, GC & Corporate SecretaryGrant(A)192$0
Sep 30, 2025Haugen Janet BrutscheaDirectorGrant(A)48$262.33$13K
Aug 11, 2025McMahon Robert W.SVP & Chief Financial OfficerGrant(A)7K$240.33$1.7M
Aug 11, 2025McMahon Robert W.SVP & Chief Financial OfficerGrant(A)8K$240.33$1.8M
Aug 11, 2025McMahon Robert W.SVP & Chief Financial OfficerGrant(A)3K$0
Aug 11, 2025McMahon Robert W.SVP & Chief Financial OfficerGrant(A)13K$0
Jun 30, 2025Haugen Janet BrutscheaDirectorGrant(A)58$218.80$13K
May 12, 2025Campbell Shane AldenSVP, Proprietary SegmentGrant(A)3K$219.46$626K
May 12, 2025Campbell Shane AldenSVP, Proprietary SegmentGrant(A)1K$0
May 12, 2025Campbell Shane AldenSVP, Proprietary SegmentGrant(A)2K$0
May 6, 2025Buthman Mark ADirectorGrant(A)1K$0
May 6, 2025Lockhart Stephen HDirectorGrant(A)1K$0
May 6, 2025Feehery William FDirectorGrant(A)1K$0
May 6, 2025Keller Deborah LDirectorGrant(A)1K$0
May 6, 2025Hofmann Thomas WDirectorGrant(A)1K$0
May 6, 2025Joseph MollyDirectorGrant(A)1K$0
May 6, 2025Lai Goldman MylaDirectorGrant(A)1K$0
May 6, 2025Friel Robert FDirectorGrant(A)1K$0
May 6, 2025Haugen Janet BrutscheaDirectorGrant(A)1K$0
May 6, 2025Pucci PaoloDirectorGrant(A)1K$0
May 6, 2025Michels Douglas ADirectorGrant(A)1K$0
Mar 31, 2025Haugen Janet BrutscheaDirectorGrant(A)56$223.88$13K
Feb 18, 2025Green Eric MarkPresident, CEO and Board Chair, DirectorOption exercise(M)2K$211.00$519K
Feb 18, 2025Green Eric MarkPresident, CEO and Board Chair, DirectorTax withholding(F)700$211.00$148K
Feb 18, 2025Green Eric MarkPresident, CEO and Board Chair, DirectorGrant(A)5K$0
Feb 18, 2025Green Eric MarkPresident, CEO and Board Chair, DirectorGrant(A)12K$0
Feb 18, 2025Witherspoon CharlesVP & TreasurerOption exercise(M)66$211.00$14K
Feb 18, 2025Witherspoon CharlesVP & TreasurerTax withholding(F)23$211.00$5K
Feb 18, 2025Witherspoon CharlesVP & TreasurerGrant(A)237$0
Feb 18, 2025Witherspoon CharlesVP & TreasurerGrant(A)548$0
Feb 18, 2025Winters ChadVP, Chief Accounting OfficerOption exercise(M)82$211.00$17K

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).