Horgen Jay C. (CIK 1432993) reported 18 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-08). Recent activity: Buy AMG (75,000 shares), Sell AMG (39,671 shares), Sell AMG (17,500 shares), Buy AMG (17,563 shares), Buy AMG (27,260 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | AFFILIATED MANAGERS GROUP, INC. (AMG) | President and CEO | Buy | 75,000 | $5.6M |
| 2026-06-08 | AFFILIATED MANAGERS GROUP, INC. (AMG) | President and CEO | Sell | 39,671 | $13.4M |
| 2026-06-08 | AFFILIATED MANAGERS GROUP, INC. (AMG) | President and CEO | Sell | 17,500 | $5.9M |
| 2026-03-09 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Buy | 17,563 | $0 |
| 2026-03-09 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Buy | 27,260 | $0 |
| 2026-03-09 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Sell | 18,333 | $5.5M |
| 2025-12-23 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Sell | 4,000 | $0 |
| 2025-09-04 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Buy | 75,000 | $5.6M |
| 2025-09-04 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Sell | 44,935 | $10.3M |
| 2025-08-14 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Buy | 75,000 | $5.6M |
| 2025-08-14 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Sell | 45,607 | $10.0M |
| 2025-07-03 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Buy | 75,000 | $5.6M |
| 2025-07-03 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Sell | 47,191 | $9.4M |
| 2025-07-03 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Sell | 14,000 | $0 |
| 2025-07-03 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Chief Executive Officer | Buy | 14,000 | $0 |
| 2025-03-07 | AFFILIATED MANAGERS GROUP, INC. (AMG) | President and CEO | Buy | 16,693 | $0 |
| 2025-03-07 | AFFILIATED MANAGERS GROUP, INC. (AMG) | President and CEO | Buy | 48,251 | $0 |
| 2025-03-07 | AFFILIATED MANAGERS GROUP, INC. (AMG) | President and CEO | Sell | 26,570 | $4.4M |
Source: SEC Form 4 filings · as of 2026-06-08