Form 4 for AMG AFFILIATED MANAGERS GROUP, INC.
Accepted 2025-07-03 00:00:00 ET · period of report 2025-07-01 · accession 0001127602-25-018821 · 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 | 2025-07-03 | 2025-07-01 | AMG | Horgen Jay C. | CEO, Dir | F - Tax | $198.72 | -47.2K | 468.9K | -9% | -$9.38M |
| D | 2025-07-03 | 2025-07-01 | AMG | Horgen Jay C. | CEO, Dir | M - OptEx | $74.49 | +75.0K | 516.1K | +17% | +$5.59M |
| D | 2025-07-03 | 2025-07-02 | AMG | Horgen Jay C. | CEO, Dir | G - Gift | $0.00 | -14.0K | 454.9K | -3% | $0 |
| DI | 2025-07-03 | 2025-07-02 | AMG | Horgen Jay C. | CEO, Dir | G - Gift | $0.00 | +14.0K | 34.1K | +70% | $0 |
| D | 2025-07-03 | 2025-07-01 | AMG | Horgen Jay C. | CEO, Dir | M - OptEx | $0.00 | -75.0K | 225.0K | -25% | $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 | 2025-07-01 | F | D | 47,191 | $198.72 | 468,929 | D | — | — | |
| 2 | Common | Common Stock | 2025-07-01 | M | A | 75,000 | $74.49 | 516,120 | D By Family Trusts | — | — | |
| 3 | Common | Common Stock | 2025-07-02 | G | D | 14,000 | $0.00 | 454,929 | D | — | — | (F1) The reporting person transferred 14,000 shares to a family trust of which the reporting person and his spouse are trustees, and for which the reporting person and members of his immediate family are the beneficiaries. |
| 4 | Common | Common Stock | 2025-07-02 | G | A | 14,000 | $0.00 | 34,058 | I | — | — | (F1) The reporting person transferred 14,000 shares to a family trust of which the reporting person and his spouse are trustees, and for which the reporting person and members of his immediate family are the beneficiaries. |
| 5 | Derivative | Employee Stock Option (Right to Buy) | 2025-07-01 | M | D | 75,000 | $0.00 | 225,000 | D | $74.49 · 2024-08-15 to 2026-08-15 | 75,000 Common Stock |