AMG

Affiliated Managers Group, INC.

Insider trading activity for Affiliated Managers Group, INC., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$6.6M

net selling

Bought(2 · 2 insiders): $687.4K
Sold(3 · 3 insiders): $7.3M

Past 12 months

-$9.5M

net selling

Bought(2 · 2 insiders): $687.4K
Sold(5 · 5 insiders): $10.2M

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 15	Matos Rodriguez Felix V.	Director	MEXER◆↺	848	—	—	—	Open the original filing on SEC.gov
Aug 15	Matos Rodriguez Felix V.	Director	MEXER↺	848	—	—	+19.4%	Open the original filing on SEC.gov
Aug 15	Franqui Annette	Director	MEXER◆	477	—	—	—	Open the original filing on SEC.gov
Aug 15	Franqui Annette	Director	MEXER	477	—	—	+24.3%	Open the original filing on SEC.gov
Aug 15	Palandjian Tracy P.	Director	MEXER◆	848	—	—	—	Open the original filing on SEC.gov
Aug 15	Palandjian Tracy P.	Director	MEXER	848	—	—	+4.8%	Open the original filing on SEC.gov
Aug 15	Starr Loren M	Director	MEXER◆	716	—	—	—	Open the original filing on SEC.gov
Aug 15	Starr Loren M	Director	MEXER	716	—	—	+37.0%	Open the original filing on SEC.gov
Jul 30	Starr Loren M	Director	AGRANT◆	210	—	—	—	Open the original filing on SEC.gov
Jul 30	Starr Loren M	Director	AGRANT◆	411	—	—	—	Open the original filing on SEC.gov
Jul 30	Franqui Annette	Director	AGRANT◆	274	—	—	—	Open the original filing on SEC.gov
Jul 30	Palandjian Tracy P.	Director	AGRANT◆	274	—	—	—	Open the original filing on SEC.gov
Jul 30	Matos Rodriguez Felix V.	Director	AGRANT◆	274	—	—	—	Open the original filing on SEC.gov
Jul 30	Engel Marcy	Director	AGRANT◆	274	—	—	—	Open the original filing on SEC.gov
Jul 30	Cates G. Staley	Director	AGRANT◆	274	—	—	—	Open the original filing on SEC.gov
Jun 12	Palandjian Tracy P.	Director	MEXER◆	2,958	—	—	—	Open the original filing on SEC.gov
Jun 12	Palandjian Tracy P.	Director	FTAX	685	$354.62	$242.9K	-3.8%	Open the original filing on SEC.gov
Jun 12	Palandjian Tracy P.	Director	MEXER	2,958	$82.07	$242.8K	+19.4%	Open the original filing on SEC.gov
Jun 8	Horgen Jay C.	President and CEO	MEXER◆	75,000	—	—	—	Open the original filing on SEC.gov
Jun 8	Horgen Jay C.	President and CEO	SSELL	17,500	$338.27	$5.9M	-7.9%	Open the original filing on SEC.gov
Jun 8	Horgen Jay C.	President and CEO	FTAX	39,671	$336.62	$13.4M	-15.2%	Open the original filing on SEC.gov
Jun 8	Horgen Jay C.	President and CEO	MEXER	75,000	$74.49	$5.6M	+40.1%	Open the original filing on SEC.gov
Jun 1	Franqui Annette	Director	PBUY★	750	$304.88	$228.7K	+61.9%	Open the original filing on SEC.gov
May 8	Matos Rodriguez Felix V.	Director	SSELL	1,000	$300.18	$300.2K	-18.6%	Open the original filing on SEC.gov
May 6	Cates G. Staley	Director	PBUY★	1,500	$305.83	$458.7K	+30.6%	Open the original filing on SEC.gov
May 6	Ryan David Christopher	Director	SSELL	3,402	$305.06	$1M	-75.7%	Open the original filing on SEC.gov
May 1	Cates G. Staley	Director	AGRANT◆	172	—	—	—	Open the original filing on SEC.gov
Mar 9	Padiyar Kavita	General Counsel & Corp.…	SSELL	2,200	$278.24	$612.1K	-4.9%	Open the original filing on SEC.gov
Mar 6	Wojcik Thomas M	President and COO	SSELL	8,000	$286.30	$2.3M	-4.8%	Open the original filing on SEC.gov
Mar 5	Wojcik Thomas M	President and COO	MEXER◆	7,272	—	—	—	Open the original filing on SEC.gov
Mar 5	Wojcik Thomas M	President and COO	FTAX	9,136	$299.18	$2.7M	-5.2%	Open the original filing on SEC.gov
Mar 5	Wojcik Thomas M	President and COO	AGRANT	10,619	—	—	+6.4%	Open the original filing on SEC.gov
Mar 5	Wojcik Thomas M	President and COO	MEXER	7,272	—	—	+4.6%	Open the original filing on SEC.gov
Mar 5	Padiyar Kavita	General Counsel & Corp.…	AGRANT◆	1,191	—	—	—	Open the original filing on SEC.gov
Mar 5	Padiyar Kavita	General Counsel & Corp.…	MEXER◆	2,288	—	—	—	Open the original filing on SEC.gov
Mar 5	Padiyar Kavita	General Counsel & Corp.…	FTAX	2,282	$299.18	$682.7K	-4.8%	Open the original filing on SEC.gov
Mar 5	Padiyar Kavita	General Counsel & Corp.…	AGRANT	2,426	—	—	+5.4%	Open the original filing on SEC.gov
Mar 5	Padiyar Kavita	General Counsel & Corp.…	MEXER	2,288	—	—	+5.4%	Open the original filing on SEC.gov
Mar 5	Horgen Jay C.	Chief Executive Officer	AGRANT◆	8,544	—	—	—	Open the original filing on SEC.gov
Mar 5	Horgen Jay C.	Chief Executive Officer	MEXER◆	17,563	—	—	—	Open the original filing on SEC.gov
Mar 5	Horgen Jay C.	Chief Executive Officer	FTAX	18,333	$299.18	$5.5M	-5.2%	Open the original filing on SEC.gov
Mar 5	Horgen Jay C.	Chief Executive Officer	AGRANT	27,260	—	—	+8.3%	Open the original filing on SEC.gov
Mar 5	Horgen Jay C.	Chief Executive Officer	MEXER	17,563	—	—	+5.7%	Open the original filing on SEC.gov
Mar 5	Ritchea Dava	Chief Financial Officer	AGRANT◆	1,667	—	—	—	Open the original filing on SEC.gov
Mar 5	Ritchea Dava	Chief Financial Officer	MEXER◆	601	—	—	—	Open the original filing on SEC.gov
Mar 5	Ritchea Dava	Chief Financial Officer	FTAX	292	$299.18	$87.4K	-48.6%	Open the original filing on SEC.gov
Mar 5	Ritchea Dava	Chief Financial Officer	MEXER	601	—	—	—	Open the original filing on SEC.gov
Mar 5	Alvingham Karen L.	Director	AGRANT◆	98	—	—	—	Open the original filing on SEC.gov
Mar 5	Alvingham Karen L.	Director	AGRANT◆	171	—	—	—	Open the original filing on SEC.gov
Mar 5	Alvingham Karen L.	Director	MEXER◆	867	—	—	—	Open the original filing on SEC.gov
Mar 5	Alvingham Karen L.	Director	FTAX	67	$299.18	$20K	-0.5%	Open the original filing on SEC.gov
Mar 5	Alvingham Karen L.	Director	MEXER	867	—	—	+7.1%	Open the original filing on SEC.gov
Mar 5	Ryan David Christopher	Director	AGRANT◆	335	—	—	—	Open the original filing on SEC.gov
Mar 5	Ryan David Christopher	Director	MEXER◆	867	—	—	—	Open the original filing on SEC.gov
Mar 5	Ryan David Christopher	Director	MEXER	867	—	—	+23.9%	Open the original filing on SEC.gov
Mar 5	Starr Loren M	Director	AGRANT◆	257	—	—	—	Open the original filing on SEC.gov
Mar 5	Starr Loren M	Director	AGRANT◆	503	—	—	—	Open the original filing on SEC.gov
Mar 5	Starr Loren M	Director	MEXER◆	652	—	—	—	Open the original filing on SEC.gov
Mar 5	Starr Loren M	Director	MEXER	652	—	—	+50.7%	Open the original filing on SEC.gov
Mar 5	Engel Marcy	Director	AGRANT◆	335	—	—	—	Open the original filing on SEC.gov
Mar 5	Matos Rodriguez Felix V.	Director	AGRANT◆	335	—	—	—	Open the original filing on SEC.gov
Mar 5	Matos Rodriguez Felix V.	Director	MEXER◆	867	—	—	—	Open the original filing on SEC.gov
Mar 5	Matos Rodriguez Felix V.	Director	MEXER	867	—	—	+19.3%	Open the original filing on SEC.gov
Mar 5	Palandjian Tracy P.	Director	AGRANT◆	335	—	—	—	Open the original filing on SEC.gov
Mar 5	Palandjian Tracy P.	Director	MEXER◆	867	—	—	—	Open the original filing on SEC.gov
Mar 5	Palandjian Tracy P.	Director	MEXER	867	—	—	+6.0%	Open the original filing on SEC.gov
Mar 5	Franqui Annette	Director	AGRANT◆	335	—	—	—	Open the original filing on SEC.gov
Mar 5	Franqui Annette	Director	MEXER◆	548	—	—	—	Open the original filing on SEC.gov
Mar 5	Franqui Annette	Director	MEXER	548	—	—	+82.5%	Open the original filing on SEC.gov
Dec 23, 2025	Horgen Jay C.	Chief Executive Officer	GGIFT	4,000	—	—	-0.8%	Open the original filing on SEC.gov
Nov 25, 2025	Palandjian Tracy P.	Director	GGIFT	3,499	—	—	-19.6%	Open the original filing on SEC.gov
Nov 7, 2025	Alvingham Karen L.	Director	MEXER◆	560	—	—	—	Open the original filing on SEC.gov
Nov 7, 2025	Alvingham Karen L.	Director	FTAX	182	$259.26	$47.2K	-1.5%	Open the original filing on SEC.gov
Nov 7, 2025	Alvingham Karen L.	Director	MEXER	560	$69.63	$39K	+4.7%	Open the original filing on SEC.gov
Nov 3, 2025	Engel Marcy	Director	AGRANT◆	199	—	—	—	Open the original filing on SEC.gov
Sep 9, 2025	Wojcik Thomas M	President and COO	SSELL	16,000	$231.03	$3.7M	-9.2%	Open the original filing on SEC.gov
Sep 8, 2025	Wojcik Thomas M	President and COO	MEXER◆	169,303	—	—	—	Open the original filing on SEC.gov
Sep 8, 2025	Wojcik Thomas M	President and COO	FTAX	114,008	$231.19	$26.4M	-39.5%	Open the original filing on SEC.gov
Sep 8, 2025	Wojcik Thomas M	President and COO	MEXER	169,303	$74.49	$12.6M	+141.8%	Open the original filing on SEC.gov
Sep 2, 2025	Horgen Jay C.	Chief Executive Officer	MEXER◆	75,000	—	—	—	Open the original filing on SEC.gov
Sep 2, 2025	Horgen Jay C.	Chief Executive Officer	FTAX	44,935	$229.97	$10.3M	-8.0%	Open the original filing on SEC.gov
Sep 2, 2025	Horgen Jay C.	Chief Executive Officer	MEXER	75,000	$74.49	$5.6M	+15.5%	Open the original filing on SEC.gov
Sep 2, 2025	Padiyar Kavita	General Counsel & Corp.…	MEXER◆	47,731	—	—	—	Open the original filing on SEC.gov
Sep 2, 2025	Padiyar Kavita	General Counsel & Corp.…	FTAX	30,991	$229.97	$7.1M	-42.2%	Open the original filing on SEC.gov
Sep 2, 2025	Padiyar Kavita	General Counsel & Corp.…	MEXER	47,731	$73.81	$3.5M	+185.7%	Open the original filing on SEC.gov
Aug 15, 2025	Churchill Dwight D.	Director	MEXER◆	1,398	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Churchill Dwight D.	Director	MEXER	1,398	—	—	+5.1%	Open the original filing on SEC.gov
Aug 15, 2025	Ryan David Christopher	Director	MEXER◆	1,092	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Ryan David Christopher	Director	MEXER	1,092	—	—	+43.1%	Open the original filing on SEC.gov
Aug 15, 2025	Starr Loren M	Director	MEXER◆	544	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Starr Loren M	Director	MEXER	544	—	—	+73.4%	Open the original filing on SEC.gov
Aug 15, 2025	Alvingham Karen L.	Director	MEXER◆	1,092	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Alvingham Karen L.	Director	FTAX	84	$218.70	$18.4K	-0.7%	Open the original filing on SEC.gov
Aug 15, 2025	Alvingham Karen L.	Director	MEXER	1,092	—	—	+10.1%	Open the original filing on SEC.gov
Aug 15, 2025	Franqui Annette	Director	MEXER◆	664	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Franqui Annette	Director	MEXER	664	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Matos Rodriguez Felix V.	Director	MEXER◆	1,102	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Matos Rodriguez Felix V.	Director	MEXER	1,102	—	—	+32.4%	Open the original filing on SEC.gov
Aug 15, 2025	Palandjian Tracy P.	Director	MEXER◆	1,117	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Palandjian Tracy P.	Director	MEXER	1,117	—	—	+6.7%	Open the original filing on SEC.gov

MEXER◆↺—

Matos Rodriguez Felix V. · DirectorAug 15

848 sh

MEXER↺—

Matos Rodriguez Felix V. · DirectorAug 15

848 sh · +19.4% own

MEXER◆—

Franqui Annette · DirectorAug 15

477 sh

MEXER—

Franqui Annette · DirectorAug 15

477 sh · +24.3% own

MEXER◆—

Palandjian Tracy P. · DirectorAug 15

848 sh

MEXER—

Palandjian Tracy P. · DirectorAug 15

848 sh · +4.8% own

MEXER◆—

Starr Loren M · DirectorAug 15

716 sh

MEXER—

Starr Loren M · DirectorAug 15

716 sh · +37.0% own

AGRANT◆—

Starr Loren M · DirectorJul 30

210 sh

AGRANT◆—

Starr Loren M · DirectorJul 30

411 sh

AGRANT◆—

Franqui Annette · DirectorJul 30

274 sh

AGRANT◆—

Palandjian Tracy P. · DirectorJul 30

274 sh

AGRANT◆—

Matos Rodriguez Felix V. · DirectorJul 30

274 sh

AGRANT◆—

Engel Marcy · DirectorJul 30

274 sh

AGRANT◆—

Cates G. Staley · DirectorJul 30

274 sh

MEXER◆—

Palandjian Tracy P. · DirectorJun 12

2,958 sh

FTAX$242.9K

Palandjian Tracy P. · DirectorJun 12

685 sh @ $354.62 · -3.8% own

MEXER$242.8K

Palandjian Tracy P. · DirectorJun 12

2,958 sh @ $82.07 · +19.4% own

MEXER◆—

Horgen Jay C. · President and CEOJun 8

75,000 sh

SSELL$5.9M

Horgen Jay C. · President and CEOJun 8

17,500 sh @ $338.27 · -7.9% own

FTAX$13.4M

Horgen Jay C. · President and CEOJun 8

39,671 sh @ $336.62 · -15.2% own

MEXER$5.6M

Horgen Jay C. · President and CEOJun 8

75,000 sh @ $74.49 · +40.1% own

PBUY★$228.7K

Franqui Annette · DirectorJun 1

750 sh @ $304.88 · +61.9% own

SSELL$300.2K

Matos Rodriguez Felix V. · DirectorMay 8

1,000 sh @ $300.18 · -18.6% own

PBUY★$458.7K

Cates G. Staley · DirectorMay 6

1,500 sh @ $305.83 · +30.6% own

SSELL$1M

Ryan David Christopher · DirectorMay 6

3,402 sh @ $305.06 · -75.7% own

AGRANT◆—

Cates G. Staley · DirectorMay 1

172 sh

SSELL$612.1K

Padiyar Kavita · General Counsel &…Mar 9

2,200 sh @ $278.24 · -4.9% own

SSELL$2.3M

Wojcik Thomas M · President and COOMar 6

8,000 sh @ $286.30 · -4.8% own

MEXER◆—

Wojcik Thomas M · President and COOMar 5

7,272 sh

FTAX$2.7M

Wojcik Thomas M · President and COOMar 5

9,136 sh @ $299.18 · -5.2% own

AGRANT—

Wojcik Thomas M · President and COOMar 5

10,619 sh · +6.4% own

MEXER—

Wojcik Thomas M · President and COOMar 5

7,272 sh · +4.6% own

AGRANT◆—

Padiyar Kavita · General Counsel &…Mar 5

1,191 sh

MEXER◆—

Padiyar Kavita · General Counsel &…Mar 5

2,288 sh

FTAX$682.7K

Padiyar Kavita · General Counsel &…Mar 5

2,282 sh @ $299.18 · -4.8% own

AGRANT—

Padiyar Kavita · General Counsel &…Mar 5

2,426 sh · +5.4% own

MEXER—

Padiyar Kavita · General Counsel &…Mar 5

2,288 sh · +5.4% own

AGRANT◆—

Horgen Jay C. · Chief Executive…Mar 5

8,544 sh

MEXER◆—

Horgen Jay C. · Chief Executive…Mar 5

17,563 sh

FTAX$5.5M

Horgen Jay C. · Chief Executive…Mar 5

18,333 sh @ $299.18 · -5.2% own

AGRANT—

Horgen Jay C. · Chief Executive…Mar 5

27,260 sh · +8.3% own

MEXER—

Horgen Jay C. · Chief Executive…Mar 5

17,563 sh · +5.7% own

AGRANT◆—

Ritchea Dava · Chief Financial…Mar 5

1,667 sh

MEXER◆—

Ritchea Dava · Chief Financial…Mar 5

601 sh

FTAX$87.4K

Ritchea Dava · Chief Financial…Mar 5

292 sh @ $299.18 · -48.6% own

MEXER—

Ritchea Dava · Chief Financial…Mar 5

601 sh

AGRANT◆—

Alvingham Karen L. · DirectorMar 5

98 sh

AGRANT◆—

Alvingham Karen L. · DirectorMar 5

171 sh

MEXER◆—

Alvingham Karen L. · DirectorMar 5

867 sh

FTAX$20K

Alvingham Karen L. · DirectorMar 5

67 sh @ $299.18 · -0.5% own

MEXER—

Alvingham Karen L. · DirectorMar 5

867 sh · +7.1% own

AGRANT◆—

Ryan David Christopher · DirectorMar 5

335 sh

MEXER◆—

Ryan David Christopher · DirectorMar 5

867 sh

MEXER—

Ryan David Christopher · DirectorMar 5

867 sh · +23.9% own

AGRANT◆—

Starr Loren M · DirectorMar 5

257 sh

AGRANT◆—

Starr Loren M · DirectorMar 5

503 sh

MEXER◆—

Starr Loren M · DirectorMar 5

652 sh

MEXER—

Starr Loren M · DirectorMar 5

652 sh · +50.7% own

AGRANT◆—

Engel Marcy · DirectorMar 5

335 sh

AGRANT◆—

Matos Rodriguez Felix V. · DirectorMar 5

335 sh

MEXER◆—

Matos Rodriguez Felix V. · DirectorMar 5

867 sh

MEXER—

Matos Rodriguez Felix V. · DirectorMar 5

867 sh · +19.3% own

AGRANT◆—

Palandjian Tracy P. · DirectorMar 5

335 sh

MEXER◆—

Palandjian Tracy P. · DirectorMar 5

867 sh

MEXER—

Palandjian Tracy P. · DirectorMar 5

867 sh · +6.0% own

AGRANT◆—

Franqui Annette · DirectorMar 5

335 sh

MEXER◆—

Franqui Annette · DirectorMar 5

548 sh

MEXER—

Franqui Annette · DirectorMar 5

548 sh · +82.5% own

GGIFT—

Horgen Jay C. · Chief Executive…Dec 23, 2025

4,000 sh · -0.8% own

GGIFT—

Palandjian Tracy P. · DirectorNov 25, 2025

3,499 sh · -19.6% own

MEXER◆—

Alvingham Karen L. · DirectorNov 7, 2025

560 sh

FTAX$47.2K

Alvingham Karen L. · DirectorNov 7, 2025

182 sh @ $259.26 · -1.5% own

MEXER$39K

Alvingham Karen L. · DirectorNov 7, 2025

560 sh @ $69.63 · +4.7% own

AGRANT◆—

Engel Marcy · DirectorNov 3, 2025

199 sh

SSELL$3.7M

Wojcik Thomas M · President and COOSep 9, 2025

16,000 sh @ $231.03 · -9.2% own

MEXER◆—

Wojcik Thomas M · President and COOSep 8, 2025

169,303 sh

FTAX$26.4M

Wojcik Thomas M · President and COOSep 8, 2025

114,008 sh @ $231.19 · -39.5% own

MEXER$12.6M

Wojcik Thomas M · President and COOSep 8, 2025

169,303 sh @ $74.49 · +141.8% own

MEXER◆—

Horgen Jay C. · Chief Executive…Sep 2, 2025

75,000 sh

FTAX$10.3M

Horgen Jay C. · Chief Executive…Sep 2, 2025

44,935 sh @ $229.97 · -8.0% own

MEXER$5.6M

Horgen Jay C. · Chief Executive…Sep 2, 2025

75,000 sh @ $74.49 · +15.5% own

MEXER◆—

Padiyar Kavita · General Counsel &…Sep 2, 2025

47,731 sh

FTAX$7.1M

Padiyar Kavita · General Counsel &…Sep 2, 2025

30,991 sh @ $229.97 · -42.2% own

MEXER$3.5M

Padiyar Kavita · General Counsel &…Sep 2, 2025

47,731 sh @ $73.81 · +185.7% own

MEXER◆—

Churchill Dwight D. · DirectorAug 15, 2025

1,398 sh

MEXER—

Churchill Dwight D. · DirectorAug 15, 2025

1,398 sh · +5.1% own

MEXER◆—

Ryan David Christopher · DirectorAug 15, 2025

1,092 sh

MEXER—

Ryan David Christopher · DirectorAug 15, 2025

1,092 sh · +43.1% own

MEXER◆—

Starr Loren M · DirectorAug 15, 2025

544 sh

MEXER—

Starr Loren M · DirectorAug 15, 2025

544 sh · +73.4% own

MEXER◆—

Alvingham Karen L. · DirectorAug 15, 2025

1,092 sh

FTAX$18.4K

Alvingham Karen L. · DirectorAug 15, 2025

84 sh @ $218.70 · -0.7% own

MEXER—

Alvingham Karen L. · DirectorAug 15, 2025

1,092 sh · +10.1% own

MEXER◆—

Franqui Annette · DirectorAug 15, 2025

664 sh

MEXER—

Franqui Annette · DirectorAug 15, 2025

664 sh

MEXER◆—

Matos Rodriguez Felix V. · DirectorAug 15, 2025

1,102 sh

MEXER—

Matos Rodriguez Felix V. · DirectorAug 15, 2025

1,102 sh · +32.4% own

MEXER◆—

Palandjian Tracy P. · DirectorAug 15, 2025

1,117 sh

MEXER—

Palandjian Tracy P. · DirectorAug 15, 2025

1,117 sh · +6.7% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 49 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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