Karen L. Alvingham

Sits on 1 board. Last updated September 28, 2026

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.

3 years ยท Since 2023

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, 2025 Affiliated Managers Group Inc. Option exercise +1,178 โ€” โ€”
Mar 5, 2025 Affiliated Managers Group Inc. Shares withheld for tax โˆ’90 $165.72 $14,915
Aug 15, 2024 Affiliated Managers Group Inc. Option exercise +928 โ€” โ€”
Aug 15, 2024 Affiliated Managers Group Inc. Shares withheld for tax โˆ’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
Jul 31, 2024 Affiliated Managers Group Inc. Shares withheld for tax โˆ’5,787 $185.62 $1,074,183
Mar 5, 2024 Affiliated Managers Group Inc. Option exercise +537 โ€” โ€”
Mar 5, 2024 Affiliated Managers Group Inc. Shares withheld for tax โˆ’41 $158.58 $6,502
Jan 1, 2024 Affiliated Managers Group Inc. Option exercise +122 โ€” โ€”
Jan 1, 2024 Affiliated Managers Group Inc. Shares withheld for tax โˆ’9 $151.42 $1,363
Aug 15, 2023 Affiliated Managers Group Inc. Option exercise +753 โ€” โ€”

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