HWM Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$22.9M
2 insiders
Net Insider Flow
-$22.9M
open market, 180d
Reporting Insiders
2
3 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
Jul 2, 2026Cantie Joseph SDirectorGrant(A)134$270.41$36K
May 21, 2026Miller JodyDirectorGrant(A)731$0
May 21, 2026Leduc Robert FDirectorGrant(A)731$0
May 21, 2026Smith GunnerDirectorGrant(A)731$0
May 21, 2026Schmidt UlrichDirectorGrant(A)731$0
May 21, 2026Barner Sharon RDirectorGrant(A)731$0
May 21, 2026Albaugh James FDirectorGrant(A)731$0
May 21, 2026Alving Amy EDirectorGrant(A)731$0
May 21, 2026Cantie Joseph SDirectorGrant(A)731$0
May 11, 2026Marchuk Neil EdwardEVP, CAOSell(S)42K$269.50$11.3M
Apr 15, 2026Arena Jonathan AEVP, CL&CO and SecretaryGrant(A)4K$0
Apr 2, 2026Cantie Joseph SDirectorGrant(A)155$232.68$36K
Feb 26, 2026Shultz Barbara LouVice President and ControllerSell(S)1K$260.01$260K
Feb 18, 2026Marchuk Neil EdwardEVP, CAOSell(S)45K$251.70$11.4M
Feb 17, 2026Chanatry Michael NiemVice PresidentGrant(A)3K$0
Feb 17, 2026Marchuk Neil EdwardEVP, CAOGrant(A)4K$0
Feb 17, 2026Shultz Barbara LouVice President and ControllerGrant(A)446$0
Feb 17, 2026Winterlich PatrickEVP, CFOGrant(A)3K$0
Feb 17, 2026Plant John CExecutive Chairman & CEOGrant(A)22K$0
Feb 16, 2026Chanatry Michael NiemVice PresidentTax withholding(F)10K$250.21$2.4M
Feb 16, 2026Marchuk Neil EdwardEVP, CAOTax withholding(F)29K$250.21$7.2M
Feb 16, 2026Shultz Barbara LouVice President and ControllerTax withholding(F)3K$250.21$674K
Feb 15, 2026Chanatry Michael NiemVice PresidentTax withholding(F)11K$250.21$2.7M
Feb 3, 2026Chanatry Michael NiemVice PresidentGrant(A)17K$0
Feb 3, 2026Shultz Barbara LouVice President and ControllerGrant(A)4K$0
Feb 3, 2026Marchuk Neil EdwardEVP, CAOGrant(A)50K$0
Jan 5, 2026Cantie Joseph SDirectorGrant(A)158$212.92$34K
Jan 5, 2026Miller JodyDirectorGrant(A)158$212.92$34K
Jan 5, 2026Leduc Robert FDirectorGrant(A)28$212.92$6K
Dec 31, 2025Marchuk Neil EdwardEVP, CAOTax withholding(F)5K$205.02$1.1M
Dec 1, 2025Chanatry Michael NiemVice PresidentDisposed to issuer(D)886$136.06$121K
Oct 2, 2025Cantie Joseph SDirectorGrant(A)176$191.08$34K
Oct 2, 2025Leduc Robert FDirectorGrant(A)31$191.08$6K
Oct 2, 2025Miller JodyDirectorGrant(A)176$191.08$34K
Aug 5, 2025Lin Lola FeliceEVP, CL&CO and SecretarySell(S)13K$180.51$2.4M
Jul 2, 2025Cantie Joseph SDirectorGrant(A)191$175.95$34K
Jul 2, 2025Leduc Robert FDirectorGrant(A)34$175.95$6K
Jul 2, 2025Miller JodyDirectorGrant(A)191$175.95$34K
Jul 1, 2025Plant John CExecutive Chairman & CEO, DirectorGrant(A)255K$0
May 30, 2025Alving Amy EDirectorGrant(A)1K$0
May 30, 2025Schmidt UlrichDirectorGrant(A)1K$0
May 30, 2025Albaugh James FDirectorGrant(A)1K$0
May 30, 2025Smith GunnerDirectorGrant(A)1K$0
May 30, 2025Miller JodyDirectorGrant(A)1K$0
May 30, 2025Leduc Robert FDirectorGrant(A)1K$0
May 30, 2025Cantie Joseph SDirectorGrant(A)1K$0
May 30, 2025Barner Sharon RDirectorGrant(A)1K$0
May 12, 2025Plant John CExecutive Chairman & CEO, DirectorSell(S)150K$156.96$23.5M
May 12, 2025Plant John CExecutive Chairman & CEO, DirectorSell(S)650K$156.96$102.0M
May 12, 2025Marchuk Neil EdwardEVP, HRSell(S)30K$158.53$4.8M
May 5, 2025Chanatry Michael NiemVice PresidentTax withholding(F)10K$154.34$1.6M
May 5, 2025Lin Lola FeliceEVP, CL&CO and SecretaryTax withholding(F)21K$154.34$3.2M
May 5, 2025Marchuk Neil EdwardEVP, HRTax withholding(F)32K$154.34$5.0M
May 5, 2025Shultz Barbara LouVice President and ControllerTax withholding(F)2K$154.34$345K
May 5, 2025Shultz Barbara LouVice President and ControllerSell(S)1K$155.17$194K
May 5, 2025Giacobbe KenEVP and CFOTax withholding(F)30K$154.34$4.7M
Apr 2, 2025Cantie Joseph SDirectorGrant(A)252$133.90$34K
Apr 2, 2025Miller JodyDirectorGrant(A)252$133.90$34K
Apr 2, 2025Leduc Robert FDirectorGrant(A)44$133.90$6K
Feb 18, 2025Chanatry Michael NiemVice PresidentGrant(A)4K$0
Feb 18, 2025Giacobbe KenEVP and CFOGrant(A)6K$0
Feb 18, 2025Lin Lola FeliceEVP, CL&CO and SecretaryGrant(A)4K$0
Feb 18, 2025Lin Lola FeliceEVP, CL&CO and SecretarySell(S)7K$136.39$903K
Feb 18, 2025Marchuk Neil EdwardEVP, HRGrant(A)6K$0
Feb 18, 2025Plant John CExecutive Chairman & CEO, DirectorGrant(A)41K$0
Feb 18, 2025Shultz Barbara LouVice President and ControllerGrant(A)824$0
Feb 5, 2025Marchuk Neil EdwardEVP, HRGrant(A)55K$0
Feb 5, 2025Lin Lola FeliceEVP, CL&CO and SecretaryGrant(A)36K$0
Feb 5, 2025Giacobbe KenEVP and CFOGrant(A)52K$0
Feb 5, 2025Chanatry Michael NiemVice PresidentGrant(A)18K$0
Feb 5, 2025Shultz Barbara LouVice President and ControllerGrant(A)3K$0
Jan 3, 2025Leduc Robert FDirectorGrant(A)99$112.76$11K
Jan 3, 2025Cantie Joseph SDirectorGrant(A)299$112.76$34K
Dec 27, 2024Chanatry Michael NiemVice PresidentGrant(A)146$111.23$16K
Nov 30, 2024Chanatry Michael NiemVice PresidentGrant(A)138$118.38$16K
Oct 31, 2024Chanatry Michael NiemVice PresidentGrant(A)163$99.72$16K
Oct 21, 2024Marchuk Neil EdwardEVP, HRGrant(A)40K$0
Oct 2, 2024Leduc Robert FDirectorGrant(A)111$101.29$11K
Oct 2, 2024Cantie Joseph SDirectorGrant(A)333$101.29$34K
Sep 30, 2024Chanatry Michael NiemVice PresidentGrant(A)162$100.25$16K
Sep 5, 2024Chanatry Michael NiemVice PresidentOption exercise(M)53K
Sep 5, 2024Chanatry Michael NiemVice PresidentDisposed to issuer(D)53K$94.21$5.0M
Sep 5, 2024Chanatry Michael NiemVice PresidentOption exercise(M)53K
Aug 30, 2024Chanatry Michael NiemVice PresidentGrant(A)151$96.66$15K
Aug 23, 2024Marchuk Neil EdwardEVP, HRSell(S)71K$96.94$6.8M
Aug 22, 2024Giacobbe KenEVP and CFOSell(S)155K$96.58$15.0M
Jul 31, 2024Chanatry Michael NiemVice PresidentGrant(A)110$95.70$11K
Jul 2, 2024Cantie Joseph SDirectorGrant(A)404$78.07$32K
Jul 2, 2024Leduc Robert FDirectorGrant(A)165$78.07$13K
Jun 28, 2024Chanatry Michael NiemVice PresidentTax withholding(F)21K$77.63$1.7M
Jun 28, 2024Chanatry Michael NiemVice PresidentGrant(A)136$77.63$11K
Jun 28, 2024Giacobbe KenEVP and CFOTax withholding(F)54K$77.63$4.2M
Jun 28, 2024Marchuk Neil EdwardEVP, HRTax withholding(F)54K$77.63$4.2M
Jun 13, 2024Schmidt UlrichDirectorGift(G)5K$0
Jun 3, 2024Marchuk Neil EdwardEVP, HRSell(S)33K$84.26$2.7M
May 31, 2024Chanatry Michael NiemVice PresidentGrant(A)125$84.65$11K
May 24, 2024Albaugh James FDirectorGrant(A)2K$0
May 24, 2024Miller David JDirectorGrant(A)2K$0
May 24, 2024Alving Amy EDirectorGrant(A)2K$0
May 24, 2024Miller JodyDirectorGrant(A)2K$0

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).