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person · Reporting owner

Alvingham Karen L.

Disclosed activity across 1 company

Tapewire entity
62123
SEC CIK
0001726148

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
AFFILIATED MANAGERS GROUP, INC.AMG · Entity 3556DirectorMarch 05, 2026March 09, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

AFFILIATED MANAGERS GROUP, INC.

Report date March 05, 2026 · Filed March 09, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect13,043 Ending reported balance After 2026-03-05 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-03-05 · Exercise / conversion · Acquired 867 · Balance 13,110

F1: Reflects the vesting of previously reported awards. Awards vest 2023-2026.

Row 2 · 2026-03-05 · Tax withholding · Disposed 67 · Balance 13,043

F2: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

Stock UnitsSEC Table II · derivative / convertible securityDirect3,709 Reported balance After 2026-03-05 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-03-05 · Exercise / conversion · Disposed 867 · Balance 3,709

F1: Reflects the vesting of previously reported awards. Awards vest 2023-2026.

F3: Inclusive of previously reported deferred stock units.

Stock UnitsSEC Table II · derivative / convertible securityDirect171 Reported balance After 2026-03-05 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-03-05 · Grant · Acquired 171 · Balance 171

F4: Each stock unit represents a right to receive one share of the Company's common stock upon vesting. The stock units vest in full on March 5, 2027.

Deferred Stock UnitsSEC Table II · derivative / convertible securityDirect98 Reported balance After 2026-03-05 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-03-05 · Grant · Acquired 98 · Balance 98

F5: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

Filing footnotes · ownership attribution and instrument terms

F1: Reflects the vesting of previously reported awards. Awards vest 2023-2026.

F2: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

F3: Inclusive of previously reported deferred stock units.

F4: Each stock unit represents a right to receive one share of the Company's common stock upon vesting. The stock units vest in full on March 5, 2027.

F5: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 05, 2026 Filed Mar 9, 2026 21:44 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantDeferred Stock Units · Derivative 98 $0.00 $0.00
Disclosure

SEC source: 0001004434-26-000027 · form4.xml · derivative · entry 5

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98

Underlying: Common Stock · 98 shares

Expires not disclosed

F5 · derivative.exercise_price: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F5 · derivative.exercise_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F5 · derivative.expiration_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 21:44 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantStock Units · Derivative 171 $0.00 $0.00
Disclosure

SEC source: 0001004434-26-000027 · form4.xml · derivative · entry 4

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 171

Underlying: Common Stock · 171 shares

Expires not disclosed

F4 · derivative.exercise_price: Each stock unit represents a right to receive one share of the Company's common stock upon vesting. The stock units vest in full on March 5, 2027.

F4 · derivative.exercise_date: Each stock unit represents a right to receive one share of the Company's common stock upon vesting. The stock units vest in full on March 5, 2027.

F4 · derivative.expiration_date: Each stock unit represents a right to receive one share of the Company's common stock upon vesting. The stock units vest in full on March 5, 2027.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 21:44 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 867 $0.00 $0.00
Disclosure

SEC source: 0001004434-26-000027 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,709

Underlying: Common Stock · 867 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of previously reported awards. Awards vest 2023-2026.

F1 · derivative.exercise_date: Reflects the vesting of previously reported awards. Awards vest 2023-2026.

F1 · derivative.expiration_date: Reflects the vesting of previously reported awards. Awards vest 2023-2026.

F3 · balance_after: Inclusive of previously reported deferred stock units.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 21:44 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 67 $299.18 $20,045.06
Disclosure

SEC source: 0001004434-26-000027 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,043

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

Read SEC document
March 05, 2026 Filed Mar 9, 2026 21:44 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 867 $0.00 $0.00
Disclosure

SEC source: 0001004434-26-000027 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,110

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of previously reported awards. Awards vest 2023-2026.

Read SEC document
November 07, 2025 Filed Nov 12, 2025 21:56 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionDirector Stock Option (Right to Buy) · Derivative 560 $0.00 Strike: $69.63 $0.00
Disclosure

SEC source: 0001004434-25-000057 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 560 shares

Expires 2027-07-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
November 07, 2025 Filed Nov 12, 2025 21:56 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 182 $259.26 $47,185.32
Disclosure

SEC source: 0001004434-25-000057 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,243

Read SEC document
November 07, 2025 Filed Nov 12, 2025 21:56 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 560 $69.63 $38,992.80
Disclosure

SEC source: 0001004434-25-000057 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,425

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 21:11 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 1,092 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-020600 · form4.xml · derivative · entry 4

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,313

Underlying: Common Stock · 1,092 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F1 · derivative.exercise_date: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F1 · derivative.expiration_date: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F4 · balance_after: Inclusive of previously reported deferred stock units.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 21:11 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 84 $218.70 $18,370.80
Disclosure

SEC source: 0001127602-25-020600 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,865

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 21:11 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 1,092 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-020600 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,949

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

Read SEC document
August 14, 2025 Filed Aug 18, 2025 21:11 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantDeferred Stock Units · Derivative 262 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-020600 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 262

Underlying: Common Stock · 262 shares

Expires not disclosed

F3 · derivative.exercise_price: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F3 · derivative.exercise_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F3 · derivative.expiration_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

Read SEC document
July 31, 2025 Filed Aug 4, 2025 21:28 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantRestricted Stock Units · Derivative 477 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-020004 · form4.xml · derivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477

Underlying: Common Stock · 477 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on August 15, 2026.

F1 · derivative.exercise_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on August 15, 2026.

F1 · derivative.expiration_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on August 15, 2026.

Read SEC document
March 05, 2025 Filed Mar 7, 2025 22:07 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 1,178 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-008741 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,928

Underlying: Common Stock · 1,178 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F1 · derivative.exercise_date: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F1 · derivative.expiration_date: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F3 · balance_after: Inclusive of previously reported deferred stock units.

Read SEC document
March 05, 2025 Filed Mar 7, 2025 22:07 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 90 $165.72 $14,914.80
Disclosure

SEC source: 0001127602-25-008741 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,857

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

Read SEC document
March 05, 2025 Filed Mar 7, 2025 22:07 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 1,178 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-008741 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,947

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

Read SEC document
February 06, 2025 Filed Feb 10, 2025 22:02 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantDeferred Stock Units · Derivative 320 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-003875 · form4.xml · derivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 320

Underlying: Common Stock · 320 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F2 · derivative.exercise_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F2 · derivative.expiration_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

Read SEC document
February 06, 2025 Filed Feb 10, 2025 22:02 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantRestricted Stock Units · Derivative 548 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-003875 · form4.xml · derivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 548

Underlying: Common Stock · 548 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on March 5, 2026.

F1 · derivative.exercise_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on March 5, 2026.

F1 · derivative.expiration_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on March 5, 2026.

Read SEC document
August 15, 2024 Filed Aug 16, 2024 21:01 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 928 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-022371 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,238

Underlying: Common Stock · 928 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of previously reported awards. Awards vest 2021-2027.

F1 · derivative.exercise_date: Reflects the vesting of previously reported awards. Awards vest 2021-2027.

F1 · derivative.expiration_date: Reflects the vesting of previously reported awards. Awards vest 2021-2027.

F3 · balance_after: Inclusive of previously reported deferred stock units.

Read SEC document
August 15, 2024 Filed Aug 16, 2024 21:01 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 72 $171.98 $12,382.56
Disclosure

SEC source: 0001127602-24-022371 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,769

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

Read SEC document
August 15, 2024 Filed Aug 16, 2024 21:01 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 928 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-022371 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,841

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of previously reported awards. Awards vest 2021-2027.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionDirector Stock Option (Right to Buy) · Derivative 1,679 $0.00 Strike: $69.63 $0.00
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · derivative · entry 13

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 560

Underlying: Common Stock · 1,679 shares

Expires 2027-07-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionDirector Stock Option (Right to Buy) · Derivative 2,958 $0.00 Strike: $82.07 $0.00
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · derivative · entry 12

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,958 shares

Expires 2027-02-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionDirector Stock Option (Right to Buy) · Derivative 2,661 $0.00 Strike: $86.78 $0.00
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · derivative · entry 11

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,661 shares

Expires 2026-07-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionDirector Stock Option (Right to Buy) · Derivative 1,787 $0.00 Strike: $110.02 $0.00
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · derivative · entry 10

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,787 shares

Expires 2026-02-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionDirector Stock Option (Right to Buy) · Derivative 1,353 $0.00 Strike: $160.01 $0.00
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · derivative · entry 9

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,353 shares

Expires 2025-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 5,787 $185.62 $1,074,182.94
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · nonDerivative · entry 6

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,913

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 1,679 $69.63 $116,908.77
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · nonDerivative · entry 5

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,700

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 2,958 $82.07 $242,763.06
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · nonDerivative · entry 4

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,021

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 2,661 $86.78 $230,921.58
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · nonDerivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,063

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 1,787 $110.02 $196,605.74
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,402

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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July 31, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 1,353 $160.01 $216,493.53
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,615

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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July 29, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantDeferred Stock Units · Derivative 372 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · derivative · entry 8

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372

Underlying: Common Stock · 372 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F2 · derivative.exercise_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F2 · derivative.expiration_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

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July 29, 2024 Filed Jul 31, 2024 22:52 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantRestricted Stock Units · Derivative 544 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-021272 · form4.xml · derivative · entry 7

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 544

Underlying: Common Stock · 544 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on August 15, 2025.

F1 · derivative.exercise_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on August 15, 2025.

F1 · derivative.expiration_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on August 15, 2025.

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March 05, 2024 Filed Mar 7, 2024 22:31 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 537 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-009041 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,250

Underlying: Common Stock · 537 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F1 · derivative.exercise_date: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F1 · derivative.expiration_date: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

F3 · balance_after: Inclusive of previously reported deferred stock units.

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March 05, 2024 Filed Mar 7, 2024 22:31 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 41 $158.58 $6,501.78
Disclosure

SEC source: 0001127602-24-009041 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,262

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the settlement of the awards described above.

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March 05, 2024 Filed Mar 7, 2024 22:31 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 537 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-009041 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,303

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of previously reported awards. Awards vest 2022-2027.

Read SEC document
February 05, 2024 Filed Feb 7, 2024 22:20 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantRestricted Stock Units · Derivative 638 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-003750 · form4.xml · derivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 638

Underlying: Common Stock · 638 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on March 5, 2025.

F2 · derivative.exercise_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on March 5, 2025.

F2 · derivative.expiration_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in full on March 5, 2025.

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February 05, 2024 Filed Feb 7, 2024 22:20 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantDeferred Stock Units · Derivative 309 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-003750 · form4.xml · derivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 309

Underlying: Common Stock · 309 shares

Expires not disclosed

F1 · derivative.exercise_price: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F1 · derivative.exercise_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F1 · derivative.expiration_date: Reflects cash fees that the director has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes distributable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

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January 01, 2024 Filed Jan 3, 2024 22:23 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 122 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-000561 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,840

Underlying: Common Stock · 122 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of a previously reported award. Award vests 2021-2024.

F1 · derivative.exercise_date: Reflects the vesting of a previously reported award. Award vests 2021-2024.

F1 · derivative.expiration_date: Reflects the vesting of a previously reported award. Award vests 2021-2024.

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January 01, 2024 Filed Jan 3, 2024 22:23 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 9 $151.42 $1,362.78
Disclosure

SEC source: 0001127602-24-000561 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,766

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the award described above.

Read SEC document
January 01, 2024 Filed Jan 3, 2024 22:23 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 122 $0.00 $0.00
Disclosure

SEC source: 0001127602-24-000561 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,775

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of a previously reported award. Award vests 2021-2024.

Read SEC document
August 15, 2023 Filed Aug 17, 2023 21:03 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 753 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-022841 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,962

Underlying: Common Stock · 753 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of previously reported awards. Awards vest 2021-2026.

F1 · derivative.exercise_date: Reflects the vesting of previously reported awards. Awards vest 2021-2026.

F1 · derivative.expiration_date: Reflects the vesting of previously reported awards. Awards vest 2021-2026.

F3 · balance_after: Inclusive of previously reported deferred stock units.

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August 15, 2023 Filed Aug 17, 2023 21:03 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 58 $133.04 $7,716.32
Disclosure

SEC source: 0001127602-23-022841 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,653

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

Read SEC document
August 15, 2023 Filed Aug 17, 2023 21:03 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 753 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-022841 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,711

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of previously reported awards. Awards vest 2021-2026.

Read SEC document
July 26, 2023 Filed Jul 28, 2023 20:36 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantDeferred Stock Units · Derivative 342 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-021522 · form4.xml · derivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 342

Underlying: Common Stock · 342 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects cash fees that the reporting person has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes payable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F2 · derivative.exercise_date: Reflects cash fees that the reporting person has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes payable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

F2 · derivative.expiration_date: Reflects cash fees that the reporting person has elected to defer under the Company's deferred compensation plan, which are notionally invested in a measurement fund tracking the Company's common stock during the deferral period. Each deferred stock unit is equal to one share of the Company's common stock, and becomes payable in common stock upon the reporting person's separation from service as a member of the Board of Directors of the Company.

Read SEC document
July 26, 2023 Filed Jul 28, 2023 20:36 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 GrantRestricted Stock Units · Derivative 707 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-021522 · form4.xml · derivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 707

Underlying: Common Stock · 707 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in 25% increments on each of August 15, 2024, 2025, 2026 and 2027.

F1 · derivative.exercise_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in 25% increments on each of August 15, 2024, 2025, 2026 and 2027.

F1 · derivative.expiration_date: Each restricted stock unit represents a right to receive one share of the Company's common stock upon vesting. The restricted stock units vest in 25% increments on each of August 15, 2024, 2025, 2026 and 2027.

Read SEC document
March 05, 2023 Filed Mar 7, 2023 22:35 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionStock Units · Derivative 392 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-009329 · form4.xml · derivative · entry 3

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,666

Underlying: Common Stock · 392 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Reflects the vesting of previously reported awards. Awards vest 2022-2026.

F1 · derivative.exercise_date: Reflects the vesting of previously reported awards. Awards vest 2022-2026.

F1 · derivative.expiration_date: Reflects the vesting of previously reported awards. Awards vest 2022-2026.

Read SEC document
March 05, 2023 Filed Mar 7, 2023 22:35 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Tax withholdingCommon Stock 30 $160.76 $4,822.80
Disclosure

SEC source: 0001127602-23-009329 · form4.xml · nonDerivative · entry 2

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,958

F2 · shares: Reflects the automatic surrender of shares of common stock to the Company to satisfy tax withholding obligations related to the vesting of the awards described above.

Read SEC document
March 05, 2023 Filed Mar 7, 2023 22:35 UTC AFFILIATED MANAGERS GROUP, INC. AMG · Entity 3556 Exercise / conversionCommon Stock 392 $0.00 $0.00
Disclosure

SEC source: 0001127602-23-009329 · form4.xml · nonDerivative · entry 1

Alvingham Karen L. · CIK 0001726148 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,988

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Reflects the vesting of previously reported awards. Awards vest 2022-2026.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.