11 insiders reported 75 Form 4 transactions for AFFILIATED MANAGERS GROUP, INC. (AMG) over the past 18 months (most recent 2026-06-08). Recent activity: Horgen Jay C. (President and CEO) Buy 75,000 shares, Horgen Jay C. (President and CEO) Sell 39,671 shares, Horgen Jay C. (President and CEO) Sell 17,500 shares, FRANQUI ANNETTE (Director) Buy 750 shares, Ryan David Christopher (Director) Sell 3,402 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | Horgen Jay C. | President and CEO | Buy | 75,000 | $5.6M |
| 2026-06-08 | Horgen Jay C. | President and CEO | Sell | 39,671 | $13.4M |
| 2026-06-08 | Horgen Jay C. | President and CEO | Sell | 17,500 | $5.9M |
| 2026-06-03 | FRANQUI ANNETTE | Director | Buy | 750 | $228,660 |
| 2026-05-08 | Ryan David Christopher | Director | Sell | 3,402 | $1.0M |
| 2026-05-08 | Matos Rodriguez Felix V. | Director | Sell | 1,000 | $300,180 |
| 2026-03-09 | Wojcik Thomas M | President and COO | Buy | 7,272 | $0 |
| 2026-03-09 | Alvingham Karen L. | Director | Sell | 67 | $20,045 |
| 2026-03-09 | Horgen Jay C. | Chief Executive Officer | Buy | 17,563 | $0 |
| 2026-03-09 | Horgen Jay C. | Chief Executive Officer | Buy | 27,260 | $0 |
| 2026-03-09 | Horgen Jay C. | Chief Executive Officer | Sell | 18,333 | $5.5M |
| 2026-03-09 | Matos Rodriguez Felix V. | Director | Buy | 867 | $0 |
| 2026-03-09 | Alvingham Karen L. | Director | Buy | 867 | $0 |
| 2026-03-09 | Wojcik Thomas M | President and COO | Buy | 10,619 | $0 |
| 2026-03-09 | Wojcik Thomas M | President and COO | Sell | 9,136 | $2.7M |
| 2026-03-09 | Wojcik Thomas M | President and COO | Sell | 8,000 | $2.3M |
| 2026-03-09 | RITCHEA DAVA | Chief Financial Officer | Buy | 601 | $0 |
| 2026-03-09 | RITCHEA DAVA | Chief Financial Officer | Sell | 292 | $87,361 |
| 2026-03-09 | Ryan David Christopher | Director | Buy | 867 | $0 |
| 2026-03-09 | Palandjian Tracy P. | Director | Buy | 867 | $0 |
| 2026-03-09 | Padiyar Kavita | General Counsel & Corp. Sec. | Buy | 2,288 | $0 |
| 2026-03-09 | Padiyar Kavita | General Counsel & Corp. Sec. | Buy | 2,426 | $0 |
| 2026-03-09 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 2,282 | $682,729 |
| 2026-03-09 | Padiyar Kavita | General Counsel & Corp. Sec. | Sell | 2,200 | $612,128 |
| 2026-03-09 | STARR LOREN M | Director | Buy | 652 | $0 |
Source: SEC Form 4 filings · as of 2026-06-08