Skip to content
sellModerate cluster of 2

Thomas R Scalf sold $2.0M of DCI

President at DONALDSON Co INC. 28,500 shares at an average of $69.22, traded Mar 17, 2025, filed Mar 18, 2025.

Warning score
58
Value
$2.0M
28,500 shares
Holdings after
28,334
-50% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    President
    +20
  • Trade size
    $2.0M at market
    +25
  • Share of holdings sold
    Sold 50% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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.

DCIOct 9, 2026 · close 86.93
Since filing Mar 18, 2025: +30.2%SPY +41.5% · excess -11.3%

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 0000029644-25-000033, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 17, 2025MOption exercise
Common Stock
+28,500$42.72$1.2M56,834Mar 18, 2025
Mar 17, 2025SOpen-market sale
Common Stock
-28,500$69.22$2.0M28,334Mar 18, 2025
Mar 17, 2025MOption exercise
Employee Stock Option (right to buy)derivative
-28,500$0.00$00Mar 18, 2025

Related signals

Other insiders at DONALDSON Co INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
35Weak
DCIsell
DONALDSON Co INC
Tod E. Carpenter
Chairman, President and CEO
$2.9M
31,968 shares
-10%
24Weak
DCIsell
DONALDSON Co INC
Tod E. Carpenter
Chairman, President and CEO
$276k
3,032 shares
-1%
55Moderate
DCIsell 5
DONALDSON Co INC
Guillermo Briseno
President
$1.1M
13,500 shares
-35%
50Moderate
DCIsell 5
DONALDSON Co INC
Amy C Becker
Chief Legal Officer
$1.5M
18,500 shares
-29%
60Notable
DCIsell 5
DONALDSON Co INC
Tod E. Carpenter
Chairman, President and CEO
$8.1M
100,500 shares
-26%
43Moderate
DCIsell 5
DONALDSON Co INC
Andrew C Dahlgren
President
$246k
3,000 shares
-29%
60Notable
DCIsell 5
DONALDSON Co INC
Trudy A. Rautio
director
$2.6M
31,900 shares
-66%
40Moderate
DCIsell
DONALDSON Co INC
Tod E. Carpenter
Chairman, President and CEO
$4.3M
60,000 shares
-21%
23Weak
DCIsell
DONALDSON Co INC
Willard D Oberton
director
$487k
7,000 shares
-19%
35Weak
DCIsell
DONALDSON Co INC
James Owens
director
$1.2M
18,700 shares
-48%

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 R Scalf sold $2.0M of DCI | InsiderTell