Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Affiliated Managers Group Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Affiliated Managers Group Inc. May 22, 202599.0%
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Affiliated Managers Group Inc. May 22, 202496.8%
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Affiliated Managers Group Inc. May 25, 202399.3%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 5, 2026 | Affiliated Managers Group Inc. | Option exercise | +867 | — | — |
| Mar 5, 2026 | Affiliated Managers Group Inc. | Shares withheld for tax | −67 | $299.18 | $20,045 |
| Nov 7, 2025 | Affiliated Managers Group Inc. | Option exercise | +560 | $69.63 | $38,993 |
| Nov 7, 2025 | Affiliated Managers Group Inc. | Shares withheld for tax | −182 | $259.26 | $47,185 |
| Aug 15, 2025 | Affiliated Managers Group Inc. | Option exercise | +1,092 | — | — |
| Aug 15, 2025 | Affiliated Managers Group Inc. | Shares withheld for tax | −84 | $218.70 | $18,371 |
| Mar 5, 2025 | Affiliated Managers Group Inc. | Option exercise | +1,178 | — | — |
| Mar 5, 2025 | Affiliated Managers Group Inc. | Shares withheld for tax | −90 | $165.72 | $14,915 |
| Aug 15, 2024 | Affiliated Managers Group Inc. | Option exercise | +928 | — | — |
| Aug 15, 2024 | Affiliated Managers Group Inc. | Shares withheld for tax | −72 | $171.98 | $12,383 |
| Jul 31, 2024 | Affiliated Managers Group Inc. | Option exercise | +1,353 | $160.01 | $216,494 |
| Jul 31, 2024 | Affiliated Managers Group Inc. | Option exercise | +1,787 | $110.02 | $196,606 |
| Jul 31, 2024 | Affiliated Managers Group Inc. | Option exercise | +2,661 | $86.78 | $230,922 |
| Jul 31, 2024 | Affiliated Managers Group Inc. | Option exercise | +2,958 | $82.07 | $242,763 |
| Jul 31, 2024 | Affiliated Managers Group Inc. | Option exercise | +1,679 | $69.63 | $116,909 |
Questions about Karen L. Alvingham
What boards is Karen L. Alvingham on?
Karen L. Alvingham sits on the board of Affiliated Managers Group Inc.
How long has Karen L. Alvingham served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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