Dudediligence.

Affiliated Managers Group, Inc

AMGNYSE · Investment Advice
Write an idea

Insiders

Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$23.3M

7 notices · 79,285 sh

Oct 2025 to Oct 2026

Reported ·

$10.2M

5 sales · 2 buys · $687,405 bought

Oct 2025 to Jun 2026

The two figures cover different periods.

None of the 5 reported sales carry the 10b5-1 box. Together they are 0.12% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-06-30: DAVID RYAN, Form 1442026-06-08: JAY HORGEN, Form 1442026-05-08: FELIX V MATOS RODRIGUEZ, Form 1442026-05-06: DAVID RYAN, Form 1442026-03-09: Wojcik Thomas M, Form 1442026-03-09: KAVITA PADIYAR, Form 1442026-03-06: THOMAS WOJCIK, Form 1442026-03-06: Wojcik Thomas M, sold2026-03-09: Padiyar Kavita, sold2026-05-06: Cates G. Staley, bought2026-05-06: Ryan David Christopher, sold2026-05-08: Matos Rodriguez Felix V., sold2026-06-01: FRANQUI ANNETTE, bought2026-06-08: Horgen Jay C., sold
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-06-30DAVID RYAN, Director$104,931
305 shno plan dateForm 4s on file end Jun 23144 ↗
2026-06-08JAY HORGEN, President and CEO$5,919,688
17,500 shno plan date144 ↗
Form 4, 2026-06-08: sold 17,500 at $338.27 Form 4 ↗
2026-05-08FELIX V MATOS RODRIGUEZ, Director$300,180
1,000 shno plan date144 ↗
Form 4, 2026-05-08: sold 1,000 at $300.18 Form 4 ↗
2026-05-06DAVID RYAN, Director$1,037,805
3,402 shno plan date144 ↗
Form 4, 2026-05-08: sold 3,402 at $305.06 Form 4 ↗
2026-03-09Wojcik Thomas M, President and COO$13.1M
46,878 shno plan dateno Form 4 on file144 ↗
2026-03-09KAVITA PADIYAR, General Counsel & Corp. Sec.$612,124
2,200 shno plan date144 ↗
Form 4, 2026-03-09: sold 2,200 at $278.24 Form 4 ↗
2026-03-06THOMAS WOJCIK, President and COO$2,290,383
8,000 shno plan date144 ↗
Form 4, 2026-03-09: sold 8,000 at $286.30 Form 4 ↗