AMG Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$687K
2 insiders
Open-Market Sells (180d)
$10.2M
5 insiders
Net Insider Flow
-$9.5M
open market, 180d
Reporting Insiders
7
7 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 12, 2026Palandjian Tracy P.DirectorOption exercise(M)3K$82.07$243K
Jun 12, 2026Palandjian Tracy P.DirectorTax withholding(F)685$354.62$243K
Jun 12, 2026Palandjian Tracy P.DirectorOption exercise(M)3K$0
Jun 8, 2026Horgen Jay C.President and CEO, DirectorOption exercise(M)75K$74.49$5.6M
Jun 8, 2026Horgen Jay C.President and CEO, DirectorTax withholding(F)40K$336.62$13.4M
Jun 8, 2026Horgen Jay C.President and CEO, DirectorSell(S)18K$338.27$5.9M
Jun 8, 2026Horgen Jay C.President and CEO, DirectorOption exercise(M)75K$0
Jun 1, 2026Franqui AnnetteDirectorBuy(P)750$304.88$229K
May 8, 2026Matos Rodriguez Felix V.DirectorSell(S)1K$300.18$300K
May 6, 2026Cates G. StaleyDirectorBuy(P)2K$305.83$459K
May 6, 2026Ryan David ChristopherDirectorSell(S)3K$305.06$1.0M
May 1, 2026Cates G. StaleyDirectorGrant(A)172$0
Mar 9, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.Sell(S)2K$278.24$612K
Mar 6, 2026Wojcik Thomas MPresident and COOSell(S)8K$286.30$2.3M
Mar 5, 2026Franqui AnnetteDirectorOption exercise(M)548$0
Mar 5, 2026Franqui AnnetteDirectorGrant(A)335$0
Mar 5, 2026Franqui AnnetteDirectorOption exercise(M)548$0
Mar 5, 2026Palandjian Tracy P.DirectorOption exercise(M)867$0
Mar 5, 2026Palandjian Tracy P.DirectorGrant(A)335$0
Mar 5, 2026Palandjian Tracy P.DirectorOption exercise(M)867$0
Mar 5, 2026Matos Rodriguez Felix V.DirectorOption exercise(M)867$0
Mar 5, 2026Matos Rodriguez Felix V.DirectorOption exercise(M)867$0
Mar 5, 2026Matos Rodriguez Felix V.DirectorGrant(A)335$0
Mar 5, 2026Engel MarcyDirectorGrant(A)335$0
Mar 5, 2026Starr Loren MDirectorOption exercise(M)652$0
Mar 5, 2026Starr Loren MDirectorOption exercise(M)652$0
Mar 5, 2026Starr Loren MDirectorGrant(A)257$0
Mar 5, 2026Starr Loren MDirectorGrant(A)503$0
Mar 5, 2026Ryan David ChristopherDirectorOption exercise(M)867$0
Mar 5, 2026Ryan David ChristopherDirectorGrant(A)335$0
Mar 5, 2026Ryan David ChristopherDirectorOption exercise(M)867$0
Mar 5, 2026Alvingham Karen L.DirectorOption exercise(M)867$0
Mar 5, 2026Alvingham Karen L.DirectorTax withholding(F)67$299.18$20K
Mar 5, 2026Alvingham Karen L.DirectorOption exercise(M)867$0
Mar 5, 2026Alvingham Karen L.DirectorGrant(A)98$0
Mar 5, 2026Alvingham Karen L.DirectorGrant(A)171$0
Mar 5, 2026Ritchea DavaChief Financial OfficerOption exercise(M)601$0
Mar 5, 2026Ritchea DavaChief Financial OfficerTax withholding(F)292$299.18$87K
Mar 5, 2026Ritchea DavaChief Financial OfficerOption exercise(M)601$0
Mar 5, 2026Ritchea DavaChief Financial OfficerGrant(A)2K$0
Mar 5, 2026Horgen Jay C.Chief Executive Officer, DirectorTax withholding(F)18K$299.18$5.5M
Mar 5, 2026Horgen Jay C.Chief Executive Officer, DirectorGrant(A)27K$0
Mar 5, 2026Horgen Jay C.Chief Executive Officer, DirectorOption exercise(M)18K$0
Mar 5, 2026Horgen Jay C.Chief Executive Officer, DirectorOption exercise(M)18K$0
Mar 5, 2026Horgen Jay C.Chief Executive Officer, DirectorGrant(A)9K$0
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.Grant(A)2K$0
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.Option exercise(M)2K$0
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.Tax withholding(F)2K$299.18$683K
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.Grant(A)1K$0
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.Option exercise(M)2K$0
Mar 5, 2026Wojcik Thomas MPresident and COOOption exercise(M)7K$0
Mar 5, 2026Wojcik Thomas MPresident and COOGrant(A)11K$0
Mar 5, 2026Wojcik Thomas MPresident and COOTax withholding(F)9K$299.18$2.7M
Mar 5, 2026Wojcik Thomas MPresident and COOOption exercise(M)7K$0
Dec 23, 2025Horgen Jay C.Chief Executive Officer, DirectorGift(G)4K$0
Nov 25, 2025Palandjian Tracy P.DirectorGift(G)3K$0
Nov 7, 2025Alvingham Karen L.DirectorTax withholding(F)182$259.26$47K
Nov 7, 2025Alvingham Karen L.DirectorOption exercise(M)560$69.63$39K
Nov 7, 2025Alvingham Karen L.DirectorOption exercise(M)560$0
Nov 3, 2025Engel MarcyDirectorGrant(A)199$0
Sep 9, 2025Wojcik Thomas MPresident and COOSell(S)16K$231.03$3.7M
Sep 8, 2025Wojcik Thomas MPresident and COOTax withholding(F)114K$231.19$26.4M
Sep 8, 2025Wojcik Thomas MPresident and COOOption exercise(M)169K$74.49$12.6M
Sep 8, 2025Wojcik Thomas MPresident and COOOption exercise(M)169K$0
Sep 2, 2025Padiyar KavitaGeneral Counsel & Corp. Sec.Option exercise(M)48K$73.81$3.5M
Sep 2, 2025Padiyar KavitaGeneral Counsel & Corp. Sec.Tax withholding(F)31K$229.97$7.1M
Sep 2, 2025Padiyar KavitaGeneral Counsel & Corp. Sec.Option exercise(M)48K$0
Sep 2, 2025Horgen Jay C.Chief Executive Officer, DirectorOption exercise(M)75K$74.49$5.6M
Sep 2, 2025Horgen Jay C.Chief Executive Officer, DirectorTax withholding(F)45K$229.97$10.3M
Sep 2, 2025Horgen Jay C.Chief Executive Officer, DirectorOption exercise(M)75K$0
Aug 15, 2025Palandjian Tracy P.DirectorOption exercise(M)1K$0
Aug 15, 2025Palandjian Tracy P.DirectorOption exercise(M)1K$0
Aug 15, 2025Matos Rodriguez Felix V.DirectorOption exercise(M)1K$0
Aug 15, 2025Matos Rodriguez Felix V.DirectorOption exercise(M)1K$0
Aug 15, 2025Franqui AnnetteDirectorOption exercise(M)664$0
Aug 15, 2025Franqui AnnetteDirectorOption exercise(M)664$0
Aug 15, 2025Alvingham Karen L.DirectorTax withholding(F)84$218.70$18K
Aug 15, 2025Alvingham Karen L.DirectorOption exercise(M)1K$0
Aug 15, 2025Alvingham Karen L.DirectorOption exercise(M)1K$0
Aug 15, 2025Starr Loren MDirectorOption exercise(M)544$0
Aug 15, 2025Starr Loren MDirectorOption exercise(M)544$0
Aug 15, 2025Ryan David ChristopherDirectorOption exercise(M)1K$0
Aug 15, 2025Ryan David ChristopherDirectorOption exercise(M)1K$0
Aug 15, 2025Churchill Dwight D.DirectorOption exercise(M)1K$0
Aug 15, 2025Churchill Dwight D.DirectorOption exercise(M)1K$0
Aug 14, 2025Alvingham Karen L.DirectorGrant(A)262$0
Aug 14, 2025Starr Loren MDirectorGrant(A)334$0
Aug 14, 2025Ryan David ChristopherDirectorGrant(A)307$0
Aug 12, 2025Horgen Jay C.Chief Executive Officer, DirectorTax withholding(F)46K$219.70$10.0M
Aug 12, 2025Horgen Jay C.Chief Executive Officer, DirectorOption exercise(M)75K$74.49$5.6M
Aug 12, 2025Horgen Jay C.Chief Executive Officer, DirectorOption exercise(M)75K$0
Jul 31, 2025Churchill Dwight D.DirectorGrant(A)477$0
Jul 31, 2025Alvingham Karen L.DirectorGrant(A)477$0
Jul 31, 2025Matos Rodriguez Felix V.DirectorGrant(A)477$0
Jul 31, 2025Franqui AnnetteDirectorGrant(A)477$0
Jul 31, 2025Ryan David ChristopherDirectorGrant(A)477$0
Jul 31, 2025Palandjian Tracy P.DirectorGrant(A)477$0
Jul 31, 2025Starr Loren MDirectorGrant(A)716$0
Jul 2, 2025Horgen Jay C.Chief Executive Officer, DirectorGift(G)14K$0
Jul 2, 2025Horgen Jay C.Chief Executive Officer, DirectorGift(G)14K$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 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

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