ARM Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$66.4M
7 insiders
Net Insider Flow
-$66.4M
open market, 180d
Reporting Insiders
7
39 P/S transactions
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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 2, 2026Bartels Laura KathleenChief Accounting OfficerSell(S)11K$392.70$4.4M
Jun 1, 2026Abbey WilliamChief Commercial OfficerSell(S)3K$383.73$1.0M
Jun 1, 2026Abbey WilliamChief Commercial OfficerSell(S)4K$415.52$1.6M
May 28, 2026Abbey WilliamChief Commercial OfficerSell(S)4K$343.81$1.4M
May 22, 2026Abbey WilliamChief Commercial OfficerSell(S)2K$305.82$703K
May 21, 2026Abbey WilliamChief Commercial OfficerSell(S)5K$287.03$1.3M
May 21, 2026Eaton Charlotte ClaireChief People OfficerSell(S)5K$291.08$1.5M
May 21, 2026Eaton Charlotte ClaireChief People OfficerSell(S)3K$288.10$808K
May 21, 2026Eaton Charlotte ClaireChief People OfficerSell(S)4K$282.77$1.1M
May 20, 2026Abbey WilliamChief Commercial OfficerSell(S)5K$257.18$1.3M
May 20, 2026Eaton Charlotte ClaireChief People OfficerSell(S)3K$252.25$782K
May 20, 2026Child JasonChief Financial OfficerSell(S)32K$226.54$7.2M
May 19, 2026Collins SpencerChief Legal OfficerSell(S)41K$215.00$8.8M
May 19, 2026Abbey WilliamChief Commercial OfficerSell(S)11K$224.14$2.4M
May 18, 2026Grisenthwaite Richard RoyChief ArchitectSell(S)24K$209.15$5.1M
May 15, 2026Bartels Laura KathleenChief Accounting OfficerOption exercise(M)2K$0
May 15, 2026Bartels Laura KathleenChief Accounting OfficerOption exercise(M)862$0
May 15, 2026Bartels Laura KathleenChief Accounting OfficerOption exercise(M)4K$0
May 15, 2026Bartels Laura KathleenChief Accounting OfficerGrant(A)70K$0
May 15, 2026Bartels Laura KathleenChief Accounting OfficerGrant(A)17K$0
May 15, 2026Bartels Laura KathleenChief Accounting OfficerTax withholding(F)3K$209.16$708K
May 15, 2026Bartels Laura KathleenChief Accounting OfficerOption exercise(M)2K
May 15, 2026Bartels Laura KathleenChief Accounting OfficerOption exercise(M)862
May 15, 2026Child JasonChief Financial OfficerOption exercise(M)5K
May 15, 2026Dykstra Karen EDirectorGrant(A)2K$0
May 15, 2026Child JasonChief Financial OfficerGrant(A)12K
May 15, 2026Child JasonChief Financial OfficerGrant(A)12K
May 15, 2026Child JasonChief Financial OfficerOption exercise(M)5K
May 15, 2026Child JasonChief Financial OfficerGrant(A)58K
May 15, 2026Child JasonChief Financial OfficerTax withholding(F)38K$209.16$7.9M
May 15, 2026Child JasonChief Financial OfficerGrant(A)15K$0
May 15, 2026Child JasonChief Financial OfficerOption exercise(M)5K$0
May 15, 2026Child JasonChief Financial OfficerOption exercise(M)5K$0
May 15, 2026Sohn YoungDirectorOption exercise(M)2K
May 15, 2026Sohn YoungDirectorTax withholding(F)429$209.16$90K
May 15, 2026Sohn YoungDirectorOption exercise(M)2K$0
May 15, 2026Sohn YoungDirectorGrant(A)2K$0
May 15, 2026Sine JeffreyDirectorOption exercise(M)2K
May 15, 2026Sine JeffreyDirectorOption exercise(M)2K$0
May 15, 2026Sine JeffreyDirectorGrant(A)2K$0
May 15, 2026Jacobs Paul EDirectorOption exercise(M)2K
May 15, 2026Jacobs Paul EDirectorOption exercise(M)2K$0
May 15, 2026Jacobs Paul EDirectorGrant(A)2K$0
May 15, 2026Schooler RosemaryDirectorOption exercise(M)2K
May 15, 2026Schooler RosemaryDirectorOption exercise(M)2K$0
May 15, 2026Schooler RosemaryDirectorGrant(A)2K$0
May 15, 2026Fisher Ronald DDirectorGrant(A)2K$0
May 15, 2026Haas Rene A.Chief Executive Officer, DirectorGrant(A)52K
May 15, 2026Haas Rene A.Chief Executive Officer, DirectorGrant(A)52K
May 15, 2026Haas Rene A.Chief Executive Officer, DirectorGrant(A)162K
May 15, 2026Haas Rene A.Chief Executive Officer, DirectorTax withholding(F)143K$209.16$30.0M
May 15, 2026Eaton Charlotte ClaireChief People OfficerGrant(A)6K
May 15, 2026Eaton Charlotte ClaireChief People OfficerOption exercise(M)2K
May 15, 2026Eaton Charlotte ClaireChief People OfficerTax withholding(F)4K$209.16$768K
May 15, 2026Eaton Charlotte ClaireChief People OfficerGrant(A)8K$0
May 15, 2026Eaton Charlotte ClaireChief People OfficerOption exercise(M)2K$0
May 15, 2026Collins SpencerChief Legal OfficerGrant(A)11K
May 15, 2026Collins SpencerChief Legal OfficerOption exercise(M)4K
May 15, 2026Collins SpencerChief Legal OfficerOption exercise(M)4K
May 15, 2026Collins SpencerChief Legal OfficerGrant(A)10K
May 15, 2026Collins SpencerChief Legal OfficerGrant(A)48K
May 15, 2026Collins SpencerChief Legal OfficerTax withholding(F)36K$209.16$7.6M
May 15, 2026Collins SpencerChief Legal OfficerGrant(A)16K$0
May 15, 2026Collins SpencerChief Legal OfficerOption exercise(M)4K$0
May 15, 2026Collins SpencerChief Legal OfficerOption exercise(M)4K$0
May 15, 2026Grisenthwaite Richard RoyChief ArchitectGrant(A)5K
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)2K
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)15K
May 15, 2026Grisenthwaite Richard RoyChief ArchitectGrant(A)4K
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)2K
May 15, 2026Grisenthwaite Richard RoyChief ArchitectGrant(A)13K
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)4K
May 15, 2026Grisenthwaite Richard RoyChief ArchitectTax withholding(F)21K$209.16$4.5M
May 15, 2026Grisenthwaite Richard RoyChief ArchitectGrant(A)7K$0
May 15, 2026Grisenthwaite Richard RoyChief ArchitectGrant(A)35K$0
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)2K$0
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)15K$0
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)2K$0
May 15, 2026Grisenthwaite Richard RoyChief ArchitectOption exercise(M)4K$0
May 15, 2026Abbey WilliamChief Commercial OfficerGrant(A)4K
May 15, 2026Abbey WilliamChief Commercial OfficerOption exercise(M)2K
May 15, 2026Abbey WilliamChief Commercial OfficerGrant(A)4K
May 15, 2026Abbey WilliamChief Commercial OfficerOption exercise(M)2K
May 15, 2026Abbey WilliamChief Commercial OfficerGrant(A)14K
May 15, 2026Abbey WilliamChief Commercial OfficerOption exercise(M)5K
May 15, 2026Abbey WilliamChief Commercial OfficerTax withholding(F)15K$209.16$3.2M
May 15, 2026Abbey WilliamChief Commercial OfficerSell(S)7K$212.55$1.5M
May 15, 2026Abbey WilliamChief Commercial OfficerGrant(A)6K$0
May 15, 2026Abbey WilliamChief Commercial OfficerOption exercise(M)2K$0
May 15, 2026Abbey WilliamChief Commercial OfficerOption exercise(M)2K$0
May 15, 2026Abbey WilliamChief Commercial OfficerOption exercise(M)5K$0
May 15, 2026Bartels Laura KathleenChief Accounting OfficerOption exercise(M)4K
May 11, 2026Collins SpencerChief Legal OfficerSell(S)836$207.77$174K
May 11, 2026Collins SpencerChief Legal OfficerSell(S)2K$208.68$386K
May 11, 2026Collins SpencerChief Legal OfficerSell(S)5K$209.52$1.1M
May 11, 2026Collins SpencerChief Legal OfficerSell(S)10K$210.53$2.1M
May 11, 2026Collins SpencerChief Legal OfficerSell(S)11K$211.46$2.3M
May 11, 2026Collins SpencerChief Legal OfficerSell(S)11K$212.51$2.4M
May 11, 2026Collins SpencerChief Legal OfficerSell(S)7K$213.59$1.6M
May 11, 2026Collins SpencerChief Legal OfficerSell(S)5K$214.41$1.0M

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 2021-01-042026-07-20. Earlier history is backfilling; this window widens as it deepens.

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