Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.
Accepted 2026-08-18 17:02:32 ET · period of report 2026-08-15 · accession 0001004434-26-000100 · 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 | 2026-08-18 17:02 | 2026-08-15 | AMG | STARR LOREN M | Dir | M - OptEx | $0.00 | +716 | 2,653 | +37% | $0 |
| D | 2026-08-18 17:02 | 2026-08-15 | AMG | STARR LOREN M | Dir | M - OptEx | $0.00 | -716 | 3,027 | -19% | $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 | 2026-08-15 | M | A | 716 | $0.00 | 2,653 | D | — | — | (F1) Reflects the vesting of previously reported awards. Awards vested in 2026. |
| 2 | Derivative | Stock Units | 2026-08-15 | M | D | 716 | $0.00 | 3,027 | D | — · — to — | 716 Common Stock | (F1) Reflects the vesting of previously reported awards. Awards vested in 2026. (F1) Reflects the vesting of previously reported awards. Awards vested in 2026. (F1) Reflects the vesting of previously reported awards. Awards vested in 2026. (F2) Inclusive of previously reported deferred stock units. |