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Insider · CIK 0001953256

Guillermo Briseno

presidentofficer

Files at DCI (DONALDSON Co INC). First filing Sep 4, 2025, latest Sep 4, 2025.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $1.1M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

DCI: DONALDSON Co INC

DCIOct 9, 2026 · close 86.93

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
55Moderate
DCIsell 5
DONALDSON Co INC
$1.1M
13,500 shares
-35%+36% from low-3% from high

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2025DCI
DONALDSON Co INC
AGrant or award
Employee Stock Option (right to buy)derivative
+15,300$0.00$015,300Oct 3, 2025
Sep 25, 2025DCI
DONALDSON Co INC
AGrant or award
Common Stock
+3,935$0.00$029,244Sep 29, 2025
Sep 3, 2025DCI
DONALDSON Co INC
MOption exercise
Common Stock
+13,500$28.00$378k38,809Sep 4, 2025
Sep 3, 2025DCI
DONALDSON Co INC
SOpen-market sale
Common Stock
-13,500$79.03$1.1M25,309Sep 4, 2025
Sep 3, 2025DCI
DONALDSON Co INC
MOption exercise
Employee Stock Option (right to buy)derivative
-13,500$0.00$00Sep 4, 2025

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: insider trades and track record | InsiderTell