Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.
Accepted 2025-11-12 00:00:00 ET · period of report 2025-11-07 · accession 0001004434-25-000057 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-11-12 | 2025-11-07 | AMG | Alvingham Karen L. | Dir | F - Tax | $259.26 | -182 | 12.2K | -1% | -$47.2K |
| D | 2025-11-12 | 2025-11-07 | AMG | Alvingham Karen L. | Dir | M - OptEx | $69.63 | +560 | 12.4K | +5% | +$39.0K |
| D | 2025-11-12 | 2025-11-07 | AMG | Alvingham Karen L. | Dir | M - OptEx | $0.00 | -560 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-11-07 | F | D | 182 | $259.26 | 12,243 | D | — | — | |
| 2 | Common | Common Stock | 2025-11-07 | M | A | 560 | $69.63 | 12,425 | D | — | — | |
| 3 | Derivative | Director Stock Option (Right to Buy) | 2025-11-07 | M | D | 560 | $0.00 | 0 | D | $69.63 · 2024-08-15 to 2027-07-28 | 560 Common Stock |