SEC Form 4 · accession 0001004434-26-000100
AFFILIATED MANAGERS GROUP, INC. · AMG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Loren M Starr
Director
Period of report
Aug 15, 2026
Accepted (ET)
Aug 18, 2026 · 5:02 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001004434
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 15, 2026 | M | 716 | $0.00 | A | 2,653 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock UnitsF2,F1 | — | Aug 15, 2026 | M | 716 | D | — | — | Common Stock | 716 | 3,027 | D |
Explanation of responses
- F1Reflects the vesting of previously reported awards. Awards vested in 2026.
- F2Inclusive of previously reported deferred stock units.