12 insiders reported 82 Form 4 transactions for AFFILIATED MANAGERS GROUP, INC. (AMG) over the past 18 months (most recent 2026-08-18). Recent activity: FRANQUI ANNETTE (Director) Buy 477 shares, Palandjian Tracy P. (Director) Buy 848 shares, Matos Rodriguez Felix V. (Director) Buy 654 shares, STARR LOREN M (Director) Buy 716 shares, Palandjian Tracy P. (Director) Buy 2,958 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | FRANQUI ANNETTE | Director | Buy | 477 | $0 |
| 2026-08-18 | Palandjian Tracy P. | Director | Buy | 848 | $0 |
| 2026-08-18 | Matos Rodriguez Felix V. | Director | Buy | 654 | $0 |
| 2026-08-18 | STARR LOREN M | Director | Buy | 716 | $0 |
| 2026-06-15 | Palandjian Tracy P. | Director | Buy | 2,958 | $242,763 |
| 2026-06-15 | Palandjian Tracy P. | Director | Sell | 685 | $242,915 |
| 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 |
| 2026-05-06 | Cates G. Staley | Director | Buy | 1,500 | $458,745 |
| 2026-03-09 | Alvingham Karen L. | Director | Buy | 867 | $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 | Wojcik Thomas M | President and COO | Buy | 7,272 | $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 |
Source: SEC Form 4 filings · as of 2026-08-18