Form4insider filings, from the source

Company · CIK 0000029644 · SIC 3564 — Industrial & Commercial Fans & Blowers & Air Purifing Equip · NYSE

DONALDSON Co INC · DCI

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.2M · 2net −$3.2M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 SForm 4 →Sep 10, 12:30 pm EDTTod E. CarpenterChairman, President and CEO, Director31,968$91.10$2,912,285298,699−9.67% late
Sep 4, 2026 MForm 4 →Sep 10, 12:30 pm EDTTod E. CarpenterChairman, President and CEO, Director31,968$42.72$1,365,673330,667— late
Aug 31, 2026 SForm 4 →Sep 1, 4:09 pm EDTTod E. CarpenterChairman, President and CEO, Director3,032$91.00$275,912298,699−1.00%
Aug 31, 2026 MForm 4 →Sep 1, 4:09 pm EDTTod E. CarpenterChairman, President and CEO, Director3,032$42.72$129,527301,731—
Aug 27, 2026 FMForm 4 →Aug 28, 10:57 am EDTBradley J. PogalzChief Financial Officer5,129$63.11$323,6871,305—
Jul 3, 2026 AForm 4 →Jul 7, 6:53 pm EDTJacinth C SmileyDirector267$89.09$23,7878,243—
Jul 3, 2026 AForm 4 →Jul 7, 6:52 pm EDTTrudy A. RautioDirector334$89.09$29,75628,106—
Jul 3, 2026 AForm 4 →Jul 7, 6:52 pm EDTJames OwensDirector267$89.09$23,78722,913—
Jul 3, 2026 AForm 4 →Jul 7, 6:51 pm EDTChristopher M. HilgerDirector400$89.09$35,63616,244—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 MForm 4 →Sep 10, 12:30 pm EDTTod E. CarpenterChairman, President and CEO, Director31,968——131,500— late
Aug 31, 2026 MForm 4 →Sep 1, 4:09 pm EDTTod E. CarpenterChairman, President and CEO, Director3,032——163,468—
Aug 27, 2026 MForm 4 →Aug 28, 10:57 am EDTBradley J. PogalzChief Financial Officer3,000——0—