Kavita Padiyar - 05 Mar 2026 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)

Reporting relationship: General Counsel & Corp. Sec.
Issuer ticker: AMG
Reported as of: 05 Mar 2026
Net transaction value: -$612,128
SEC form: 4
Accepted by SEC: 09 Mar 2026, 18:16:29 UTC
Prior SEC filing: 04 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ Kavita Padiyar

Key filing fact

Kavita Padiyar filed Form 4 for AFFILIATED MANAGERS GROUP, INC. (AMG) on 09 Mar 2026.

Key facts

This page summarizes Kavita Padiyar's Form 4 filing for AFFILIATED MANAGERS GROUP, INC. (AMG).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 09 Mar 2026, 18:16.

Change

Previous filing in this sequence was filed on 04 Sep 2025.
Current net transaction value: -$612,128.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002017736 Primary reporting owner

Padiyar Kavita

Relationship: General Counsel & Corp. Sec.
Address: C/O AFFILIATED MANAGERS GROUP, INC., 777 SOUTH FLAGLER DRIVE, WEST PALM BEACH
Signature: /s/ Kavita Padiyar
Signature date: 09 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMG transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,288
Change %: +5.4%
Price: $0.000000^*
Shares after: 44,728
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F1

AMG transaction

Common Stock

Award

Transaction value
Shares: +2,426
Change %: +5.4%
Price: $0.000000^*
Shares after: 47,154
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F2

AMG transaction

Common Stock

Tax liability

Transaction value
Shares: -2,282
Change %: -4.8%
Price: $299.18^*
Shares after: 44,872
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F3

AMG transaction

Common Stock

Sale

Transaction value: $612,128
Shares: -2,200
Change %: -4.9%
Price: $278.24
Shares after: 42,672
Date: 09 Mar 2026
Ownership: Direct
Footnotes: F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AMG transaction Derivative

Stock Units

Options Exercise

Transaction value
Shares: -2,288
Change %: -46%
Price: $0.000000^*
Shares after: 2,670
Date: 05 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,288
Exercise price
Footnotes: F1

AMG transaction Derivative

Stock Units

Award

Transaction value
Shares: +1,191
Change %
Price: $0.000000^*
Shares after: 1,191
Date: 05 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,191
Exercise price
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Reflects the vesting of previously reported awards. Awards vest 2023-2029.

Footnote F2

Award granted in March 2023, which settled following the achievement of performance conditions previously described in the Company's annual meeting proxy statements.

Footnote F3

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.

Footnote F4

The sale reflects the weighted average sales price of the shares sold; the individual transaction prices ranged from $278.00 to $278.51. Specific transaction details will be provided to the SEC upon request.

Footnote F5

The award, issued under the Company's 2020 Equity Incentive Plan, vests in four equal installments on each of March 5, 2027, 2028, 2029, and 2030.