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sellModerate cluster of 2

Thomas M Wojcik sold $2.3M of AMG

President and COO at AFFILIATED MANAGERS GROUP, INC.. 8,000 shares at an average of $286.30, traded Mar 6, 2026, filed Mar 9, 2026.

Warning score
48
Value
$2.3M
8,000 shares
Holdings after
159,465
-5% from before
From 52-week low
+99%
low $143.32, close $285.75
From 52-week high
-14%
high $330.72, as of Mar 6, 2026

Score components

  • Role
    President
    +20
  • Trade size
    $2.3M at market
    +25
  • Share of holdings sold
    Sold 4.8% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • Role exit
    The filing reports the insider leaving
    +10
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +1.8%, 3m +19.6%, 6m +31.5%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

AMGOct 9, 2026 · close 387.26
Since filing Mar 9, 2026: +37.6%SPY +15.6% · excess +21.9%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001004434-26-000035, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 5, 2026MOption exercise
Common Stock
+7,272$0.00$0165,982Mar 9, 2026
Mar 5, 2026AGrant or award
Common Stock
+10,619$0.00$0176,601Mar 9, 2026
Mar 5, 2026FTax withholding
Common Stock
-9,136$299.18$2.7M167,465Mar 9, 2026
Mar 6, 2026SOpen-market sale
Common Stock
-8,000$286.30$2.3M159,465Mar 9, 2026
Mar 5, 2026MOption exercise
Stock Unitsderivative
-7,272$0.00$09,546Mar 9, 2026

Related signals

Other insiders at AFFILIATED MANAGERS GROUP, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
35Weak
AMGsell
AFFILIATED MANAGERS GROUP, INC.
Jay C. Horgen
President and CEO
$5.9M
17,500 shares
-8%
38Weak
AMGbuy
AFFILIATED MANAGERS GROUP, INC.
Annette Franqui
director
$229k
750 shares
+62%
68Notable
AMGsell 2
AFFILIATED MANAGERS GROUP, INC.
David Christopher Ryan
director
$1.0M
3,402 shares
-76%
42Moderate
AMGsell 2
AFFILIATED MANAGERS GROUP, INC.
Rodriguez Felix V. Matos
director
$300k
1,000 shares
-19%
38Weak
AMGbuy
AFFILIATED MANAGERS GROUP, INC.
G. Staley Cates
director
$459k
1,500 shares
+31%
28Weak
AMGsell 2
AFFILIATED MANAGERS GROUP, INC.
Kavita Padiyar
General Counsel & Corp. Sec.
$612k
2,200 shares
-5%
30Weak
AMGsell
AFFILIATED MANAGERS GROUP, INC.
Thomas M Wojcik
President and COO
$3.7M
16,000 shares
-9%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Thomas M Wojcik sold $2.3M of AMG | InsiderTell