Key facts
- This page summarizes Loren M. Starr's Form 4 filing for AFFILIATED MANAGERS GROUP, INC. (AMG).
- 2 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 18 Aug 2026, 17:02.
Loren M. Starr - 15 Aug 2026 Form 4 Insider Report for AFFILIATED MANAGERS GROUP, INC. (AMG)
- Reporting relationship
- Director
- Issuer ticker
- AMG
- Reported as of
- 15 Aug 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 18 Aug 2026, 17:02:32 UTC
- Prior SEC filing
- 03 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Kavita Padiyar, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Loren M. Starr filed Form 4 for AFFILIATED MANAGERS GROUP, INC. (AMG) on 18 Aug 2026.
Change
- Previous filing in this sequence was filed on 03 Aug 2026.
- Current net transaction value: $0.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001217495
Primary reporting owner
STARR LOREN M
- Relationship
- Director
- Address
- C/O AFFILIATED MANAGERS GROUP, INC., 1001 U.S. HIGHWAY ONE NORTH, JUPITER
- Signature
- /s/ Kavita Padiyar, Attorney-in-Fact
- Signature date
- 18 Aug 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
- +716
- Change %
- +37%
- Price
- $0.000000*
- Shares after
- 2,653
- Date
- 15 Aug 2026
- Ownership
- Direct
- Footnotes
- F1
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
- -716
- Change %
- -19%
- Price
- $0.000000*
- Shares after
- 3,027
- Date
- 15 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 716
- Exercise price
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Reflects the vesting of previously reported awards. Awards vested in 2026.
Footnote F2
Inclusive of previously reported deferred stock units.