The Filings Report

Affiliated Managers Group insider trading

AMGfinancial statementsForm 4 filings on EDGAR86 transactions since Nov 9, 2024

From August 12, 2026 to November 9, 2026, 0 insiders at Affiliated Managers Group bought $0 of stock in the open market, and 0 sold $0. Officers and directors accounted for $0 of purchases and $0 of sales. The last reported transaction was an option exercise by Matos Rodriguez Felix V. on August 15, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through September 25, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

AMG daily priceSplit-adjusted prices in US dollars

Bought $0Sold $0Aug 12, 2026 – Nov 9, 2026

Nov 9, 2026O $371.39 · H $383.57 · L $363.00 · C $383.15Bought $0 (0)Sold $0 (0)
$336$353$370$387$4042026-08-12: open $360.90, high $365.33, low $358.25, close $362.402026-08-13: open $364.77, high $370.87, low $360.58, close $367.102026-08-14: open $364.61, high $374.72, low $363.28, close $374.372026-08-17: open $371.89, high $375.99, low $368.23, close $371.402026-08-18: open $370.00, high $370.21, low $360.78, close $363.572026-08-19: open $365.31, high $367.86, low $355.18, close $355.412026-08-20: open $354.68, high $358.04, low $350.76, close $352.612026-08-21: open $356.02, high $367.35, low $355.55, close $356.212026-08-24: open $355.67, high $364.95, low $351.77, close $358.942026-08-25: open $360.85, high $367.10, low $358.18, close $365.282026-08-26: open $366.13, high $373.73, low $363.33, close $370.592026-08-27: open $370.14, high $374.92, low $367.55, close $370.482026-08-28: open $371.23, high $376.75, low $368.70, close $370.872026-08-31: open $370.85, high $375.61, low $367.97, close $368.192026-09-01: open $363.73, high $372.80, low $360.26, close $360.752026-09-02: open $362.00, high $374.09, low $354.73, close $356.472026-09-03: open $359.70, high $368.35, low $358.00, close $366.182026-09-04: open $363.09, high $371.80, low $361.40, close $370.222026-09-08: open $368.91, high $370.00, low $359.49, close $360.222026-09-09: open $359.57, high $359.81, low $354.11, close $355.852026-09-10: open $354.28, high $358.75, low $350.99, close $354.532026-09-11: open $360.43, high $360.43, low $352.59, close $355.612026-09-14: open $353.41, high $357.43, low $342.55, close $349.982026-09-15: open $348.78, high $354.47, low $344.60, close $347.942026-09-16: open $348.66, high $352.66, low $339.87, close $342.822026-09-17: open $348.00, high $356.02, low $346.66, close $352.182026-09-18: open $353.24, high $358.39, low $349.58, close $355.802026-09-21: open $359.65, high $366.13, low $356.16, close $364.662026-09-22: open $366.04, high $366.39, low $355.27, close $360.282026-09-23: open $357.59, high $369.88, low $357.59, close $366.172026-09-24: open $366.91, high $371.85, low $361.44, close $370.712026-09-25: open $372.94, high $379.06, low $371.46, close $373.692026-09-28: open $371.42, high $373.04, low $356.37, close $368.132026-09-29: open $368.05, high $372.12, low $364.16, close $370.612026-09-30: open $369.42, high $375.63, low $365.09, close $365.612026-10-01: open $365.19, high $374.88, low $364.02, close $371.952026-10-02: open $375.31, high $379.86, low $371.40, close $371.432026-10-05: open $373.57, high $384.57, low $371.52, close $380.702026-10-06: open $381.97, high $385.86, low $375.60, close $379.722026-10-07: open $374.24, high $377.91, low $370.44, close $377.092026-10-08: open $375.88, high $393.42, low $375.84, close $386.992026-10-09: open $388.36, high $391.38, low $384.68, close $387.262026-10-12: open $389.12, high $395.00, low $381.15, close $381.832026-10-13: open $385.02, high $387.47, low $376.11, close $379.012026-10-14: open $376.12, high $381.09, low $371.04, close $372.172026-10-15: open $372.93, high $384.33, low $369.71, close $383.042026-10-16: open $385.74, high $390.81, low $380.27, close $383.762026-10-19: open $384.07, high $387.49, low $381.89, close $385.102026-10-20: open $385.87, high $394.09, low $384.41, close $388.752026-10-21: open $392.62, high $396.08, low $388.24, close $393.662026-10-22: open $388.91, high $397.06, low $388.02, close $395.532026-10-23: open $391.18, high $399.00, low $382.03, close $383.422026-10-26: open $387.04, high $397.73, low $383.92, close $390.972026-10-27: open $394.21, high $395.60, low $389.61, close $391.992026-10-28: open $394.35, high $394.48, low $386.50, close $393.242026-10-29: open $397.29, high $400.13, low $392.14, close $399.022026-10-30: open $394.80, high $394.80, low $378.08, close $380.952026-11-02: open $389.76, high $392.10, low $368.73, close $370.392026-11-03: open $370.81, high $376.07, low $365.00, close $369.462026-11-04: open $374.44, high $378.53, low $350.93, close $364.492026-11-05: open $363.44, high $365.24, low $348.02, close $350.542026-11-06: open $352.50, high $368.22, low $348.60, close $362.392026-11-09: open $371.39, high $383.57, low $363.00, close $383.15Insider purchases / sales · USD$0No open-market purchases or sales in this period.Aug 12Sep 3Sep 25Oct 19Nov 9

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 9, 2026. Insider data through Nov 9, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

86 transactions from November 9, 2024 to November 9, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Aug 15, 2026Matos Rodriguez Felix V.Directoroption exercise848$0.00—5,217Sep 25, 2026
Aug 15, 2026Franqui AnnetteDirectoroption exercise477$0.00—2,439Aug 18, 2026
Aug 15, 2026Matos Rodriguez Felix V.Directoroption exercise654$0.00—5,023Aug 18, 2026
Aug 15, 2026Starr Loren MDirectoroption exercise716$0.00—2,653Aug 18, 2026
Aug 15, 2026Palandjian Tracy P.Directoroption exercise848$0.00—18,375Aug 18, 2026
Jun 12, 2026Palandjian Tracy P.Directoroption exercise2,958$82.07$243K18,212Jun 15, 2026
Jun 12, 2026Palandjian Tracy P.Directortax withholding685$354.62$243K17,527Jun 15, 2026
Jun 8, 2026Horgen Jay C.President and CEO, Directoroption exercise75,000$74.49$6M261,877Jun 8, 2026
Jun 8, 2026Horgen Jay C.President and CEO, Directortax withholding39,671$336.62$13M222,206Jun 8, 2026
Jun 8, 2026Horgen Jay C.President and CEO, Directoropen-market sale17,500$338.27$6M204,706Jun 8, 2026
Jun 1, 2026Franqui AnnetteDirectoropen-market buy750$304.88$229K1,962Jun 3, 2026
May 8, 2026Matos Rodriguez Felix V.Directoropen-market sale1,000$300.18$300K4,369May 8, 2026
May 6, 2026Ryan David ChristopherDirectoropen-market sale3,402$305.06$1M1,092May 8, 2026
May 6, 2026Cates G. StaleyDirectoropen-market buy1,500$305.83$459K6,405May 6, 2026
Mar 9, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.open-market sale2,200$278.24$612K42,672Mar 9, 2026
Mar 6, 2026Wojcik Thomas MPresident and COOopen-market sale8,000$286.30$2M159,465Mar 9, 2026
Mar 5, 2026Wojcik Thomas MPresident and COOoption exercise7,272$0.00—165,982Mar 9, 2026
Mar 5, 2026Wojcik Thomas MPresident and COOaward10,619$0.00—176,601Mar 9, 2026
Mar 5, 2026Wojcik Thomas MPresident and COOtax withholding9,136$299.18$3M167,465Mar 9, 2026
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.award2,426$0.00—47,154Mar 9, 2026
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.option exercise2,288$0.00—44,728Mar 9, 2026
Mar 5, 2026Padiyar KavitaGeneral Counsel & Corp. Sec.tax withholding2,282$299.18$683K44,872Mar 9, 2026
Mar 5, 2026Horgen Jay C.Chief Executive Officer, Directortax withholding18,333$299.18$5M336,877Mar 9, 2026
Mar 5, 2026Horgen Jay C.Chief Executive Officer, Directoraward27,260$0.00—355,210Mar 9, 2026
Mar 5, 2026Horgen Jay C.Chief Executive Officer, Directoroption exercise17,563$0.00—327,950Mar 9, 2026
Mar 5, 2026Ritchea DavaChief Financial Officeroption exercise601$0.00—601Mar 9, 2026
Mar 5, 2026Ritchea DavaChief Financial Officertax withholding292$299.18$87K309Mar 9, 2026
Mar 5, 2026Alvingham Karen L.Directoroption exercise867$0.00—13,110Mar 9, 2026
Mar 5, 2026Alvingham Karen L.Directortax withholding67$299.18$20K13,043Mar 9, 2026
Mar 5, 2026Ryan David ChristopherDirectoroption exercise867$0.00—4,494Mar 9, 2026
Mar 5, 2026Starr Loren MDirectoroption exercise652$0.00—1,937Mar 9, 2026
Mar 5, 2026Matos Rodriguez Felix V.Directoroption exercise867$0.00—5,369Mar 9, 2026
Mar 5, 2026Palandjian Tracy P.Directoroption exercise867$0.00—15,254Mar 9, 2026
Mar 5, 2026Franqui AnnetteDirectoroption exercise548$0.00—1,212Mar 9, 2026
Dec 23, 2025Horgen Jay C.Chief Executive Officer, Directorgift4,000$0.00—510,387Dec 23, 2025
Nov 25, 2025Palandjian Tracy P.Directorgift3,499$0.00—14,387Nov 28, 2025
Nov 7, 2025Alvingham Karen L.Directortax withholding182$259.26$47K12,243Nov 12, 2025
Nov 7, 2025Alvingham Karen L.Directoroption exercise560$69.63$39K12,425Nov 12, 2025
Sep 9, 2025Wojcik Thomas MPresident and COOopen-market sale16,000$231.03$4M158,710Sep 9, 2025
Sep 8, 2025Wojcik Thomas MPresident and COOtax withholding114,008$231.19$26M174,710Sep 9, 2025
Sep 8, 2025Wojcik Thomas MPresident and COOoption exercise169,303$74.49$13M288,718Sep 9, 2025
Sep 2, 2025Horgen Jay C.Chief Executive Officer, Directoroption exercise75,000$74.49$6M559,322Sep 4, 2025
Sep 2, 2025Horgen Jay C.Chief Executive Officer, Directortax withholding44,935$229.97$10M514,387Sep 4, 2025
Sep 2, 2025Padiyar KavitaGeneral Counsel & Corp. Sec.option exercise47,731$73.81$4M73,431Sep 4, 2025
Sep 2, 2025Padiyar KavitaGeneral Counsel & Corp. Sec.tax withholding30,991$229.97$7M42,440Sep 4, 2025
Aug 15, 2025Churchill Dwight D.Directoroption exercise1,398$0.00—29,030Aug 18, 2025
Aug 15, 2025Ryan David ChristopherDirectoroption exercise1,092$0.00—3,627Aug 18, 2025
Aug 15, 2025Starr Loren MDirectoroption exercise544$0.00—1,285Aug 18, 2025
Aug 15, 2025Alvingham Karen L.Directortax withholding84$218.70$18K11,865Aug 18, 2025
Aug 15, 2025Alvingham Karen L.Directoroption exercise1,092$0.00—11,949Aug 18, 2025

Who the insiders are

Everyone who reported a transaction since November 9, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Horgen Jay C.President and CEO, DirectorJun 8, 2026option exercise261,877—$6M (1)0 of 1
Wojcik Thomas MPresident and COOMar 6, 2026open-market sale159,465—$2M (1)0 of 1
Ryan David ChristopherDirectorMay 6, 2026open-market sale1,092—$1M (1)0 of 1
Padiyar KavitaGeneral Counsel & Corp. Sec.Mar 9, 2026open-market sale42,672—$612K (1)0 of 1
Cates G. StaleyDirectorMay 6, 2026open-market buy6,405$459K (1)——
Matos Rodriguez Felix V.DirectorAug 15, 2026option exercise5,217—$300K (1)0 of 1
Franqui AnnetteDirectorAug 15, 2026option exercise2,439$229K (1)——
Palandjian Tracy P.DirectorAug 15, 2026option exercise18,375———
Alvingham Karen L.DirectorMar 5, 2026option exercise13,110———
Churchill Dwight D.DirectorAug 15, 2025option exercise29,030———
Starr Loren MDirectorAug 15, 2026option exercise2,653———
Ritchea DavaChief Financial OfficerMar 5, 2026option exercise601———
Jeffery Reuben IIIDirectorJan 1, 2025option exercise34,274———

Questions

Are Affiliated Managers Group insiders buying or selling?

Over the twelve months to November 9, 2026, 5 insiders at Affiliated Managers Group sold $10M of stock in the open market, all by officers and directors, and 2 insiders bought $687K, all by officers and directors. Net, insiders sold $9M. Only open-market purchases and sales are counted.

Who sold the most Affiliated Managers Group stock in the last year?

Horgen Jay C. (President and CEO, Director) sold $6M in 1 open-market sale over the twelve months to November 9, 2026.

Do Affiliated Managers Group executives sell under 10b5-1 plans?

0 of the 5 open-market sales in the last twelve months (0%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Affiliated Managers Group

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.