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sellModerate cluster of 3

Thomas A. Ellman sold $3.3M of GATX

EVP & CFO at GATX CORP. 18,200 shares at an average of $180.08, traded Aug 5, 2026, filed Aug 7, 2026.

Warning score
57
Value
$3.3M
18,200 shares
Holdings after
34,361
-35% from before
From 52-week low
+20%
low $148.49, close $178.85
From 52-week high
-10%
high $199.25, as of Aug 5, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $3.3M at market
    +25
  • Share of holdings sold
    Sold 35% of holdings
    +10
  • Cluster
    3 insiders selling within 14 days
    +15
  • 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.

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.

GATXOct 12, 2026 · close 166.16
Since filing Aug 7, 2026: -6.1%SPY +0.9% · excess -7.0%

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 0001534505-26-000008, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 5, 2026MOption exercise
Common Stock
+18,200$77.07$1.4M52,561Aug 7, 2026
Aug 5, 2026SOpen-market sale
Common Stock
-9,452$179.62$1.7M43,109Aug 7, 2026
Aug 5, 2026SOpen-market sale
Common Stock
-8,641$180.56$1.6M34,468Aug 7, 2026
Aug 5, 2026SOpen-market sale
Common Stock
-107$181.20$19k34,361Aug 7, 2026
Aug 5, 2026MOption exercise
2020 NQ Stock Option (Right to Buy)derivative
-18,200$0.00$00Aug 7, 2026

Related signals

Other insiders at GATX CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
37Weak
GATXsell
GATX CORP
Geoffrey Phillips
Sr. VP, Operations
$444k
2,500 shares
-100%
25Weak
GATXsell 2
GATX CORP
Eren Doygun
SVP Chief Plan. & Invest. Off.
$180k
1,000 shares
-16%
35Weak
GATXsell 4
GATX CORP
John Sbragia
SVP, Engineering and Quality
$343k
1,900 shares
-22%
41Moderate
GATXsell 3
GATX CORP
Jennifer Van Aken
Sr VP Treasurer & CRO
$307k
1,700 shares
-22%
43Moderate
GATXsell 3
GATX CORP
Jeffery R. Young
SVP, Chief Tax Officer
$509k
2,595 shares
-25%
50Moderate
GATXsell 3
GATX CORP
Robert Zmudka
Sr. VP & Chief Comm. Off.
$1.0M
5,200 shares
-41%
36Weak
GATXsell 3
GATX CORP
Brian L Glassberg
EVP, General Counsel & Secy.
$397k
2,000 shares
-22%
26Weak
GATXsell
GATX CORP
Jennifer Van Aken
Sr VP Treasurer & CRO
$295k
1,800 shares
-23%
55Moderate
GATXsell 3
GATX CORP
Robert C Lyons
President and CEO
$2.1M
12,635 shares
-20%
35Weak
GATXsell 3
GATX CORP
Geoffrey Phillips
Sr. VP, Operations
$354k
2,100 shares
-24%

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 A. Ellman sold $3.3M of GATX | InsiderTell