Insider Transactions in Q3 2025 at Affiliated Managers Group, Inc. (AMG)
Insider Transaction List (Q3 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 09
2025
|
Thomas M Wojcik President and COO |
SELL
Open market or private sale
|
Direct |
16,000
-9.16%
|
$3,696,000
$231.03 P/Share
|
|
Sep 08
2025
|
Thomas M Wojcik President and COO |
SELL
Payment of exercise price or tax liability
|
Direct |
114,008
-39.49%
|
$26,335,848
$231.19 P/Share
|
|
Sep 08
2025
|
Thomas M Wojcik President and COO |
BUY
Exercise of conversion of derivative security
|
Direct |
169,303
+36.96%
|
$12,528,422
$74.49 P/Share
|
|
Sep 02
2025
|
Kavita Padiyar General Counsel & Corp. Sec. |
SELL
Payment of exercise price or tax liability
|
Direct |
30,991
-42.2%
|
$7,096,939
$229.97 P/Share
|
|
Sep 02
2025
|
Kavita Padiyar General Counsel & Corp. Sec. |
BUY
Exercise of conversion of derivative security
|
Direct |
47,731
+39.39%
|
$3,484,363
$73.81 P/Share
|
|
Sep 02
2025
|
Jay C. Horgen Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
44,935
-8.03%
|
$10,290,115
$229.97 P/Share
|
|
Sep 02
2025
|
Jay C. Horgen Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
75,000
+11.82%
|
$5,550,000
$74.49 P/Share
|
|
Aug 15
2025
|
David Christopher Ryan Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,092
+23.14%
|
-
|
|
Aug 15
2025
|
Dwight D. Churchill Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,398
+4.59%
|
-
|
|
Aug 15
2025
|
Karen L. Alvingham Director |
SELL
Payment of exercise price or tax liability
|
Direct |
84
-0.7%
|
$18,312
$218.7 P/Share
|
|
Aug 15
2025
|
Karen L. Alvingham Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,092
+8.37%
|
-
|
|
Aug 15
2025
|
Loren M Starr Director |
BUY
Exercise of conversion of derivative security
|
Direct |
544
+29.74%
|
-
|
|
Aug 15
2025
|
Tracy P. Palandjian Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,117
+5.88%
|
-
|
|
Aug 15
2025
|
Rodriguez Felix V. Matos Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,102
+19.66%
|
-
|
|
Aug 15
2025
|
Annette Franqui Director |
BUY
Exercise of conversion of derivative security
|
Direct |
664
+50.0%
|
-
|
|
Aug 12
2025
|
Jay C. Horgen Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
45,607
-8.61%
|
$9,987,933
$219.7 P/Share
|
|
Aug 12
2025
|
Jay C. Horgen Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
75,000
+12.4%
|
$5,550,000
$74.49 P/Share
|
|
Jul 02
2025
|
Jay C. Horgen Chief Executive Officer |
BUY
Bona fide gift
|
Indirect |
14,000
+29.13%
|
-
|
|
Jul 02
2025
|
Jay C. Horgen Chief Executive Officer |
SELL
Bona fide gift
|
Direct |
14,000
-2.99%
|
-
|
|
Jul 01
2025
|
Jay C. Horgen Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
47,191
-9.14%
|
$9,343,818
$198.72 P/Share
|
|
Jul 01
2025
|
Jay C. Horgen Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
75,000
+12.69%
|
$5,550,000
$74.49 P/Share
|