SEC Insider Transactions from Alvingham Karen L..

Last updated: 2026-03-14 11:56 UTC | Total transactions: 55

Alvingham Karen L. has filed 55 insider transactions across 1 company since January 2023.

Most recent transaction: a option exercise of 867 shares of AFFILIATED MANAGERS GROUP, INC. ($AMG) on March 05, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 5, 2026 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 867 $0.00 3,709.0000 33,000,000 18.95% 0.00%
March 5, 2026 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Stock Units 171 $0.00 171.0000 33,000,000 9999.99% 0.00%
March 5, 2026 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Deferred Stock Units 98 $0.00 98.0000 33,000,000 9999.99% 0.00%
March 5, 2026 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 867 $0.00 13,110.0000 33,000,000 7.08% 0.00%
March 5, 2026 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 67 $299.18 13,043.0000 33,000,000 0.51% 0.00%
Nov. 7, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 560 $69.63 12,425.0000 33,000,000 4.72% 0.00%
Nov. 7, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 182 $259.26 12,243.0000 33,000,000 1.46% 0.00%
Nov. 7, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Director Stock Option (Right to Buy) 560 $0.00 0.0000 33,000,000 100.00% 0.00%
Aug. 15, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 1092 $0.00 11,949.0000 36,100,000 10.06% 0.00%
Aug. 15, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 84 $218.70 11,865.0000 36,100,000 0.70% 0.00%
Aug. 15, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 1092 $0.00 4,313.0000 36,100,000 20.20% 0.00%
Aug. 14, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Deferred Stock Units 262 $0.00 262.0000 36,100,000 9999.99% 0.00%
July 31, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Restricted Stock Units 477 $0.00 477.0000 36,100,000 9999.99% 0.00%
March 5, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 1178 $0.00 10,947.0000 36,100,000 12.06% 0.00%
March 5, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 90 $165.72 10,857.0000 36,100,000 0.82% 0.00%
March 5, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 1178 $0.00 4,928.0000 36,100,000 19.29% 0.00%
Feb. 6, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Restricted Stock Units 548 $0.00 548.0000 36,100,000 9999.99% 0.00%
Feb. 6, 2025 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Deferred Stock Units 320 $0.00 320.0000 36,100,000 9999.99% 0.00%
Aug. 15, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 928 $0.00 5,238.0000 42,200,000 15.05% 0.00%
Aug. 15, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 72 $171.98 9,769.0000 42,200,000 0.73% 0.00%
Aug. 15, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 928 $0.00 9,841.0000 42,200,000 10.41% 0.00%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Director Stock Option (Right to Buy) 1353 $0.00 0.0000 42,200,000 100.00% 0.00%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Director Stock Option (Right to Buy) 1787 $0.00 0.0000 42,200,000 100.00% 0.00%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Director Stock Option (Right to Buy) 2661 $0.00 0.0000 42,200,000 100.00% 0.01%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Director Stock Option (Right to Buy) 2958 $0.00 0.0000 42,200,000 100.00% 0.01%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Director Stock Option (Right to Buy) 1679 $0.00 560.0000 42,200,000 74.99% 0.00%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 5787 $185.62 8,913.0000 42,200,000 39.37% 0.01%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 2958 $82.07 13,021.0000 42,200,000 29.39% 0.01%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 2661 $86.78 10,063.0000 42,200,000 35.95% 0.01%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 1787 $110.02 7,402.0000 42,200,000 31.83% 0.00%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 1353 $160.01 5,615.0000 42,200,000 31.75% 0.00%
July 31, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 1679 $69.63 14,700.0000 42,200,000 12.89% 0.00%
July 29, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Restricted Stock Units 544 $0.00 544.0000 42,200,000 9999.99% 0.00%
July 29, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Deferred Stock Units 372 $0.00 372.0000 42,200,000 9999.99% 0.00%
March 5, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 41 $158.58 4,262.0000 42,200,000 0.95% 0.00%
March 5, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 537 $0.00 4,303.0000 42,200,000 14.26% 0.00%
March 5, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 537 $0.00 5,250.0000 42,200,000 9.28% 0.00%
Feb. 5, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Deferred Stock Units 309 $0.00 309.0000 42,200,000 9999.99% 0.00%
Feb. 5, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Restricted Stock Units 638 $0.00 638.0000 42,200,000 9999.99% 0.00%
Jan. 1, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 122 $0.00 3,775.0000 42,200,000 3.34% 0.00%
Jan. 1, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 9 $151.42 3,766.0000 42,200,000 0.24% 0.00%
Jan. 1, 2024 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 122 $0.00 4,840.0000 42,200,000 2.46% 0.00%
Aug. 15, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 753 $0.00 3,711.0000 49,000,000 25.46% 0.00%
Aug. 15, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 58 $133.04 3,653.0000 49,000,000 1.56% 0.00%
Aug. 15, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 753 $0.00 4,962.0000 49,000,000 13.18% 0.00%
July 26, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Deferred Stock Units 342 $0.00 342.0000 49,000,000 9999.99% 0.00%
July 26, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Restricted Stock Units 707 $0.00 707.0000 49,000,000 9999.99% 0.00%
March 5, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 392 $0.00 4,666.0000 49,000,000 7.75% 0.00%
March 5, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 30 $160.76 2,958.0000 49,000,000 1.00% 0.00%
March 5, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 392 $0.00 2,988.0000 49,000,000 15.10% 0.00%
Feb. 6, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Restricted Stock Units 587 $0.00 587.0000 49,000,000 9999.99% 0.00%
Feb. 6, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director A Deferred Stock Units 284 $0.00 284.0000 49,000,000 9999.99% 0.00%
Jan. 1, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Common Stock 329 $0.00 2,621.0000 49,000,000 14.35% 0.00%
Jan. 1, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director F Common Stock 25 $158.43 2,596.0000 49,000,000 0.95% 0.00%
Jan. 1, 2023 AFFILIATED MANAGERS GROUP, INC. $AMG Alvingham Karen L. Director M Stock Units 329 $0.00 4,187.0000 49,000,000 7.29% 0.00%