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AFFILIATED MANAGERS GROUP, INC.

AMG Net selling
CIK 0001004434 #5737 in the set updated 17 Sep 2026
Bought (120 mo)
$11.95M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$83.01M
$0.00 on a plan · $38.50M straight out of an exercise
Sold at will
$44.51M
15 of 34 sales
Net
−$71.06M
−$32.56M against sales at will

By person

25 insiders · 119 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
HEALEY SEAN M
Executive Chairman
—
$31.72M (4)
−$31.72M
161,021
0.6227%
$54.47M
+80.5%
Horgen Jay C.
President and CEO
$4.18M (7)
$26.19M (6) scheduled
−$22.01M
244,264
0.9446%
$82.63M
—
Wojcik Thomas M
President and COO
$101.25K (1)
$6.81M (3)
−$6.71M
159,465
0.6166%
$53.94M
+565.9%
Zeitlin Jide James
Director
—
$5.24M (2)
−$5.24M
21,274
0.0823%
$7.20M
−56.3%
Ryan Patrick T
Director
—
$3.31M (4) scheduled
−$3.31M
13,269
0.0513%
$4.49M
+134.3%
Jeffery Reuben III
Director
$3.28M (7)
—
+$3.28M
34,274
0.1325%
$11.59M
—
MacEwen Peter W
Chief Administrative Officer
—
$1.98M (1) scheduled
−$1.98M
26,135
0.1011%
$8.84M
−5.6%
DALTON NATHANIEL
Director
—
$1.77M (1)
−$1.77M
206,589
0.7989%
$69.88M
+34.2%
Churchill Dwight D.
Director
$649.76K (6)
$1.97M (5) scheduled
−$1.32M
29,030
0.1123%
$9.82M
+420.1%
Ryan David Christopher
Director
—
$1.04M (1)
−$1.04M
1,092
0.0042%
$369.39K
—
Byrne Samuel T
Director
$1.01M (3)
—
+$1.01M
28,092
0.1086%
$9.50M
+354.8%
Jamal Rizwan M
Head of Affiliate Investments
$514.41K (1)
$1.49M (1) scheduled
−$976.25K
199,233
0.7704%
$67.39M
+756.0%
Padiyar Kavita
General Counsel & Corp. Sec.
—
$612.13K (1)
−$612.13K
42,672
0.1650%
$14.43M
+179.8%
Erickson John R
Head of Affiliate Engagement
$509.85K (1)
—
+$509.85K
58,054
0.2245%
$19.64M
+180.2%
Cates G. Staley
Director
$458.75K (1)
—
+$458.75K
6,405
0.0248%
$2.17M
+30.6%
Palandjian Tracy P.
Director
$509.38K (1)
$187.42K (1) scheduled
+$321.95K
18,375
0.0711%
$6.22M
+426.4%
Matos Rodriguez Felix V.
Director
—
$300.18K (1)
−$300.18K
5,023
0.0194%
$1.70M
—
FRANQUI ANNETTE
Director
$228.66K (1)
—
+$228.66K
2,439
0.0094%
$825.04K
—
Atkinson Tracy A
Director
$100.57K (1)
—
+$100.57K
4,020
0.0155%
$1.36M
—
Cutler Hugh
EVP, Global Distribution
$407.02K (5)
$407.02K (3)
$0.00
10,486
0.0405%
$3.55M
+74.9%
Billings David M.
General Counsel and Secretary
—
—
—
18,965
0.0733%
$6.42M
+249.7%
Alvingham Karen L.
Director
—
—
—
13,043
0.0504%
$4.41M
+2,851%
STARR LOREN M
Director
—
—
—
2,653
0.0103%
$897.43K
—
Earle Glenn
Director
—
—
—
2,113
0.0082%
$714.76K
+21.9%
RITCHEA DAVA
Chief Financial Officer
—
—
—
309
0.0012%
$104.53K
—

Individual transactions

50
Insider
Date
Role
Action
Shares
Price
Amount
Palandjian Tracy P.
12 Jun 2026
Director
Exercised, kept
2,958
$82.07
$242.76K
Alvingham Karen L.
7 Nov 2025
Director
Exercised, kept
560
$69.63
$38.99K
Wojcik Thomas M
8 Sep 2025
President and COO
Exercised, kept
169,303
$74.49
$12.61M
Padiyar Kavita
2 Sep 2025
General Counsel & Corp. Sec.
Exercised, kept
47,731
$73.81
$3.52M
Horgen Jay C.
2 Sep 2025
Chief Executive Officer
Exercised, kept
75,000
$74.49
$5.59M
Horgen Jay C.
12 Aug 2025
Chief Executive Officer
Exercised, kept
75,000
$74.49
$5.59M
Horgen Jay C.
1 Jul 2025
Chief Executive Officer
Exercised, kept
75,000
$74.49
$5.59M
Palandjian Tracy P.
12 May 2025
Director
Exercised, kept
1,361
$86.78
$118.11K
Palandjian Tracy P.
12 May 2025
Director
Exercised, kept
1,787
$110.02
$196.61K
Palandjian Tracy P.
12 May 2025
Director
Exercised, kept
1,353
$160.01
$216.49K
Churchill Dwight D.
12 May 2025
Director
Exercised, kept
1,353
$160.01
$216.49K
Padiyar Kavita
9 May 2025
General Counsel & Corp. Sec.
Exercised, kept
25,000
$73.81
$1.85M
Wojcik Thomas M
4 Oct 2024
Chief Operating Officer
Exercised, kept
75,000
$74.49
$5.59M
Horgen Jay C.
2 Oct 2024
President and CEO
Exercised, kept
100,000
$74.49
$7.45M
Palandjian Tracy P.
31 Jul 2024
Director
Exercised, kept
1,300
$86.78
$112.81K
Alvingham Karen L.
31 Jul 2024
Director
Exercised, kept
1,679
$69.63
$116.91K
Alvingham Karen L.
31 Jul 2024
Director
Exercised, kept
2,958
$82.07
$242.76K
Alvingham Karen L.
31 Jul 2024
Director
Exercised, kept
2,661
$86.78
$230.92K
Alvingham Karen L.
31 Jul 2024
Director
Exercised, kept
1,787
$110.02
$196.61K
Alvingham Karen L.
31 Jul 2024
Director
Exercised, kept
1,353
$160.01
$216.49K
Churchill Dwight D.
28 Mar 2024
Director
Exercised, kept
1,679
$69.63
$116.91K
Churchill Dwight D.
28 Mar 2024
Director
Exercised, kept
2,958
$82.07
$242.76K
Churchill Dwight D.
28 Mar 2024
Director
Exercised, kept
2,661
$86.78
$230.92K
Churchill Dwight D.
28 Mar 2024
Director
Exercised, kept
1,787
$110.02
$196.61K
Palandjian Tracy P.
29 Jun 2023
Director
Exercised, kept
1,352
$141.03
$190.67K
Billings David M.
15 Nov 2022
General Counsel and Secretary
Exercised, kept
8,098
$122.40
$991.20K
Jamal Rizwan M
4 Nov 2021
Head of Affiliate Investments
Exercised, kept
19,537
$122.40
$2.39M
Palandjian Tracy P.
2 Nov 2021
Director
Exercised, kept
1,543
$122.40
$188.86K
Horgen Jay C.
15 Apr 2021
President and CEO
Exercised, kept
41,131
$122.40
$5.03M
Byrne Samuel T
13 Sep 2019
Director
Exercised, kept
3,411
$65.51
$223.45K
Zeitlin Jide James
12 Dec 2018
Director
Exercised, kept
2,034
$90.22
$183.51K
Byrne Samuel T
21 Aug 2018
Director
Exercised, kept
2,034
$90.22
$183.51K
Zeitlin Jide James
19 Jul 2018
Director
Exercised, kept
1,981
$99.66
$197.43K
Zeitlin Jide James
19 Jul 2018
Director
Exercised, kept
5,625
$86.13
$484.48K
HEALEY SEAN M
9 Jul 2018
Executive Chairman
Exercised, kept
70,031
$99.66
$6.98M
Ryan Patrick T
4 May 2018
Director
Exercised, kept
1,981
$99.66
$197.43K
Ryan Patrick T
4 May 2018
Director
Exercised, kept
5,625
$86.13
$484.48K
Byrne Samuel T
3 Apr 2018
Director
Exercised, kept
1,981
$99.66
$197.43K
Zeitlin Jide James
14 Dec 2017
Director
Exercised, kept
2,080
$95.82
$199.31K
Zeitlin Jide James
14 Dec 2017
Director
Exercised, kept
5,625
$116.35
$654.47K
HEALEY SEAN M
16 Nov 2017
CEO and Chairman
Exercised, kept
78,966
$99.66
$7.87M
Zeitlin Jide James
15 Jun 2017
Director
Exercised, kept
5,625
$119.00
$669.38K
Zeitlin Jide James
15 Jun 2017
Director
Exercised, kept
3,277
$62.91
$206.16K
HEALEY SEAN M
12 Jun 2017
CEO and Chairman
Exercised, kept
56,928
$95.82
$5.45M
DALTON NATHANIEL
17 May 2017
President and COO
Exercised, kept
90,000
$99.66
$8.97M
Byrne Samuel T
3 May 2017
Director
Exercised, kept
2,080
$95.82
$199.31K
Byrne Samuel T
3 May 2017
Director
Exercised, kept
820
$62.91
$51.59K
DALTON NATHANIEL
9 Feb 2017
President and COO
Exercised, kept
75,000
$95.82
$7.19M
HEALEY SEAN M
6 Dec 2016
CEO and Chairman
Exercised, kept
31,072
$95.82
$2.98M
DALTON NATHANIEL
18 Nov 2016
President and COO
Exercised, kept
75,000
$62.91
$4.72M
Show all 119 transactions →

What was left out

Form 4 filings counted 428
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 19
Sales at will 15
Transactions with no price 0
Shares from compensation/vesting 5,960,379
Sales filed before the plan box existed 9
History held since 22 Nov 2016