Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.
Accepted 2025-09-09 00:00:00 ET · period of report 2025-09-08 · accession 0001127602-25-021240 · 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 | 2025-09-09 | 2025-09-09 | AMG | Wojcik Thomas M | Pres, COO | S - Sale+OE | $231.03 | -16.0K | 158.7K | -9% | -$3.70M |
| D | 2025-09-09 | 2025-09-08 | AMG | Wojcik Thomas M | Pres, COO | F - Tax | $231.19 | -114.0K | 174.7K | -39% | -$26.36M |
| D | 2025-09-09 | 2025-09-08 | AMG | Wojcik Thomas M | Pres, COO | M - OptEx | $74.49 | +169.3K | 288.7K | +142% | +$12.61M |
| D | 2025-09-09 | 2025-09-08 | AMG | Wojcik Thomas M | Pres, COO | M - OptEx | $0.00 | -169.3K | 1,342 | -99% | $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 | 2025-09-09 | S | D | 16,000 | $231.03 | 158,710 | D | — | — | (F1) The sale reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $229.95 to $233.05. Specific transaction details will be provided to the SEC upon request. |
| 2 | Common | Common Stock | 2025-09-08 | F | D | 114,008 | $231.19 | 174,710 | D | — | — | |
| 3 | Common | Common Stock | 2025-09-08 | M | A | 169,303 | $74.49 | 288,718 | D | — | — | |
| 4 | Derivative | Employee Stock Option (Right to Buy) | 2025-09-08 | M | D | 169,303 | $0.00 | 1,342 | D | $74.49 · 2024-08-15 to 2026-08-15 | 169,303 Common Stock |