4
Changes in Ownership
AFFILIATED MANAGERS GROUP, INC. Filed Acc 0001127602-25-020463
Chief Executive Officer gave up 45,607 shares (to pay taxes)
- Chief Executive Officer acquired 75,000 shares (option exercise)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Horgen Jay C. Chief Executive Officer | 2025-08-12 | Option exercise | +75,000 | $74.49 | $5,586,750 | 529,929 | D |
| Horgen Jay C. Chief Executive Officer | 2025-08-12 | Shares withheld for taxes | −45,607 | $219.70 | $10,019,858 | 484,322 | D |
| Derivatives | |||||||
| Horgen Jay C. Chief Executive Officer | 2025-08-12 | Option exercise · Employee Stock Option (Right to Buy) | −75,000 | 150,000 | D | ||
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