Ryan David Christopher (CIK 1725101) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-08). Recent activity: Sell AMG (3,402 shares), Buy AMG (867 shares), Buy AMG (1,092 shares), Buy AMG (956 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-08 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Director | Sell | 3,402 | $1.0M |
| 2026-03-09 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Director | Buy | 867 | $0 |
| 2025-08-18 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Director | Buy | 1,092 | $0 |
| 2025-03-07 | AFFILIATED MANAGERS GROUP, INC. (AMG) | Director | Buy | 956 | $0 |
Source: SEC Form 4 filings · as of 2026-05-08