Transaction · 0001004434-26-000100

STARR LOREN M

STARR LOREN M, DIR, reported a transaction classified as exercise at AFFILIATED MANAGERS GROUP, INC. involving 716.000000 shares for an estimated $0.00. Reported holdings after the transaction were 2653.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MDIR
AMGAFFILIATED MANAGERS GROUP, INC.
Filing timeAug 18
Trade dateAug 15, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$363.57
Pre-filing
1mo ago +3.6%1w ago +1.7%1d ago +3.0%
Returns since
7d -0.5%30d -0.8%90d -0.8%180d -0.8%1y -0.8%

AMG price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
AMG since 2026-08-18Filed 17 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001004434-26-000100
Common Stock
Transaction date
Aug 15, 2026
Filed Aug 18, 2026, 09:02 PM · 3d delay
Shares
716 sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
2.65k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Holdings Increase
+6score
Filing-only score

+6

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Reflects the vesting of previously reported awards. Awards vested in 2026.

  2. F2

    Inclusive of previously reported deferred stock units.

Original filing · 0001004434-26-000100
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

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