Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.
Accepted 2026-03-09 00:00:00 ET · period of report 2026-03-05 · accession 0001004434-26-000017 · 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 | 2026-03-09 | 2026-03-05 | AMG | Palandjian Tracy P. | Dir | M - OptEx | $0.00 | +867 | 15.3K | +6% | $0 |
| D | 2026-03-09 | 2026-03-05 | AMG | Palandjian Tracy P. | Dir | A - Grant | $0.00 | +335 | 335 | New | $0 |
| D | 2026-03-09 | 2026-03-05 | AMG | Palandjian Tracy P. | Dir | M - OptEx | $0.00 | -867 | 1,970 | -31% | $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 | 2026-03-05 | M | A | 867 | $0.00 | 15,254 | D | — | — | (F1) Reflects the vesting of previously reported awards. Awards vest 2023-2027. |
| 2 | Derivative | Stock Units | 2026-03-05 | A | A | 335 | $0.00 | 335 | D | — · — to — | 335 Common Stock | (F3) Each stock unit represents a right to receive one share of the Company's common stock upon vesting. The stock units vest in full on March 5, 2027. |
| 3 | Derivative | Stock Units | 2026-03-05 | M | D | 867 | $0.00 | 1,970 | D | — · — to — | 867 Common Stock | (F2) Inclusive of previously reported deferred stock units. (F1) Reflects the vesting of previously reported awards. Awards vest 2023-2027. |