Form 4/A for AMG AFFILIATED MANAGERS GROUP, INC.
Accepted 2026-09-25 17:01:44 ET · period of report 2026-08-15 · accession 0001004434-26-000105 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DA | 2026-09-25 17:01 | 2026-08-15 | AMG | Matos Rodriguez Felix V. | Dir | M - OptEx | $0.00 | +848 | 5,217 | +19% | $0 |
| DA | 2026-09-25 17:01 | 2026-08-15 | AMG | Matos Rodriguez Felix V. | Dir | M - OptEx | $0.00 | -848 | 933 | -48% | $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 | 848 | $0.00 | 5,217 | D | — | — | (F1) Reflects the vesting of previously reported awards. Awards vest 2023-2027. |
| 2 | Derivative | Stock Units | 2026-08-15 | M | D | 848 | $0.00 | 933 | D | — · — to — | 848 Common Stock | (F1) Reflects the vesting of previously reported awards. Awards vest 2023-2027. (F1) Reflects the vesting of previously reported awards. Awards vest 2023-2027. (F1) Reflects the vesting of previously reported awards. Awards vest 2023-2027. |