Updated Jul 16, 2026
Wojcik Thomas M is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $5.99M.

Thomas M. Wojcik serves as the Chief Operating Officer and President of Affiliated Managers Group, Inc. (AMG), a firm that specializes in acquiring and supporting boutique asset managers. He has been involved in the company's operations and strategic initiatives, contributing to its growth in the investment management sector.
| Role | President and COO |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-09 | AMG | AFFILIATED MANAGERS GROUP, INC. | S — Open-market sale | 8.0K | $286.30 | $2.29M |
| 2026-03-09 | AMG | AFFILIATED MANAGERS GROUP, INC. | F — Tax withholding / forfeiture | 9.1K | $299.18 | $2.73M |
| 2026-03-09 | AMG | AFFILIATED MANAGERS GROUP, INC. | A — Grant or award | 10.6K | $0.00 | |
| 2026-03-09 | AMG | AFFILIATED MANAGERS GROUP, INC. | M — Option exercise | 7.3K | $0.00 | |
| 2025-09-08 | AMG | AFFILIATED MANAGERS GROUP, INC. | S — Open-market sale | 16.0K | $231.03 | $3.70M |
| 2025-09-08 | AMG | AFFILIATED MANAGERS GROUP, INC. | F — Tax withholding / forfeiture | 114.0K | $231.19 | $26.36M |
| 2025-09-08 | AMG | AFFILIATED MANAGERS GROUP, INC. | M — Option exercise | 169.3K | $74.49 | $12.61M |
| 2024-10-08 | AMG | AFFILIATED MANAGERS GROUP, INC. | F — Tax withholding / forfeiture | 53.6K | $181.18 | $9.71M |
| 2024-10-08 | AMG | AFFILIATED MANAGERS GROUP, INC. | M — Option exercise | 75.0K | $74.49 | $5.59M |
Thomas M. Wojcik serves as the Chief Operating Officer and President of Affiliated Managers Group, Inc. (AMG), a firm that specializes in acquiring and supporting boutique asset managers. He has been involved in the company's operations and strategic initiatives, contributing to its growth in the investment management sector.…
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($5.99M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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