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sellModerate cluster of 5

Guillermo Briseno sold $1.1M of DCI

President at DONALDSON Co INC. 13,500 shares at an average of $79.03, traded Sep 3, 2025, filed Sep 4, 2025.

Warning score
55
Value
$1.1M
13,500 shares
Holdings after
25,309
-35% from before
From 52-week low
+36%
low $57.92, close $78.59
From 52-week high
-3%
high $81.08, as of Sep 3, 2025

Score components

  • Role
    President
    +20
  • Trade size
    $1.1M at market
    +25
  • Share of holdings sold
    Sold 35% of holdings
    +10
  • Cluster
    5 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.

DCIOct 9, 2026 · close 86.93
Since filing Sep 4, 2025: +9.2%SPY +21.6% · excess -12.3%

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 0000029644-25-000090, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 3, 2025MOption exercise
Common Stock
+13,500$28.00$378k38,809Sep 4, 2025
Sep 3, 2025SOpen-market sale
Common Stock
-13,500$79.03$1.1M25,309Sep 4, 2025
Sep 3, 2025MOption exercise
Employee Stock Option (right to buy)derivative
-13,500$0.00$00Sep 4, 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%
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%
58Moderate
DCIsell 2
DONALDSON Co INC
Thomas R Scalf
President
$2.0M
28,500 shares
-50%

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.

Guillermo Briseno sold $1.1M of DCI | InsiderTell