SEC Form 4 · accession 0001179110-18-000409
AFFILIATED MANAGERS GROUP, INC. · AMG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Nathaniel Dalton
Officer — President and COO
Period of report
Dec 31, 2017
Accepted (ET)
Jan 3, 2018 · 6:35 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001004434
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Dec 31, 2017 | M | 6,446 | $0.00 | A | 219,007 | D | |
| Common Stock | Dec 31, 2017 | M | 10,075 | $0.00 | A | 229,082 | D | |
| Common StockF1 | Jan 2, 2018 | F | 9,835 | $205.25 | D | 219,247 | D | |
| Common Stock | Aug 3, 2017 | G | 2,747 | $0.00 | D | 11,505 | I | By Spouse |
| Common Stock | Nov 9, 2017 | G | 1,082 | $0.00 | D | 10,423 | I | By Spouse |
| Common Stock | Nov 10, 2017 | G | 5,412 | $0.00 | D | 5,011 | I | By Spouse |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock UnitsF2 | $0.00 | Dec 31, 2017 | M | 6,446 | D | — | — | Common Stock | 6,446 | 6,447 | D |
| Stock UnitsF3 | $0.00 | Dec 31, 2017 | M | 10,075 | D | — | — | Common Stock | 10,075 | 0 | D |
Explanation of responses
- F1Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of certain previously reported awards.
- F2Reflects the vesting of an award previously reported in January 2015. Award vests in four equal installments from 2016 to 2019.
- F3Reflects a portion of an award previously reported in December 2013, which vests in four equal installments from 2018 to 2021.