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Donaldson Co Inc

DCI
Exchange
NYSE
Industry
Industrial & Commercial Fans & Blowers & Air Purifing Equip
SEC CIK
0000029644

In the last 90 days, Donaldson Co Inc insiders filed 0 open-market purchases and 2 sales; 632 institutions reported holding it in 13F filings for Q2 2026, worth $9.44B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Donaldson Co Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
2 filings
1 insider, $3.19M in total
Insiders trading
1
Net value
−$3.19M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Donaldson Co Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Donaldson Co Inc
NameTitleLast reported holdingLast filingFilings, past year
Carpenter Tod E.Chairman, President and CEO298,699Sep 10, 20264
Pogalz Bradley J.Chief Financial Officer1,305Aug 28, 20263
Smiley Jacinth CDirector8,243Jul 7, 20264
Rautio Trudy A.Director28,106Jul 7, 20264
Owens JamesDirector22,913Jul 7, 20265
Hilger Christopher M.Director16,244Jul 7, 20264
Briseno GuillermoPresident29,267Mar 27, 20263
Lewis Richard BrentPresident44,297Mar 4, 20263
Rajendra Ajita GDirector44,997Jan 6, 20262
Milroy Douglas A.Director2,473Jan 6, 20261
Olson Richard MDirector6,090Jan 6, 20261
Shine Daniel PDirector1,000Jan 6, 20262
Cruz PilarDirector16,747Jan 6, 20261
Becker Amy CChief Legal Officer47,459Oct 3, 20252
Cebulla Andrew J.Corporate Controller1,638Oct 3, 20251
DeVincke Darcy JChief Human Resources Officer–Oct 3, 20251
Driesen Bart C.President–Oct 3, 20251
Dahlgren Andrew CPresident7,504Sep 2, 20250
Oberton Willard DDirector29,834Jul 8, 20250
Scalf Thomas RPresident28,334Mar 18, 20250
Kramer Sheila G.Chief Human Resources Officer27,363Oct 3, 20240
Robinson Scott J.Chief Financial Officer44,042Oct 3, 20240
Wiehoff JohnDirector63,917Oct 11, 20220
Vermeersch WimVice President4,669Oct 3, 20220
Spethmann Jeffrey ESenior Vice President25,828Sep 26, 20220
Hoffman Michael JDirector65,543Jan 5, 20220
Keller Peter JosephCorporate Controller2,000Dec 30, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 10, 2026 (view filing)12:30 PM ETSep 46 daysLateCarpenter Tod E.Chairman, President and CEOSSale−32.0K$91.10−$2.91M−9.7%298.7K after
Sep 1, 2026 (view filing)4:09 PM ETAug 311 dayCarpenter Tod E.Chairman, President and CEOSSale−3.03K$91.00−$275.9K−1.0%298.7K after
Apr 14, 2026 (view filing)Apr 10-144 daysOwens JamesDirectorSSale−19.8K$89.15−$1.77M−46.7%22.6K after4 lots
Mar 27, 2026 (view filing)Mar 261 dayBriseno GuillermoPresidentSSale−20.6K$84.97−$1.75M−41.3%29.3K after2 lots
Dec 10, 2025 (view filing)Dec 91 dayPogalz Bradley J.Chief Financial OfficerSSale−566$91.57−$51.8K−56.6%434 after
Dec 8, 2025 (view filing)Dec 53 daysRajendra Ajita GDirectorSSale−19.8K$92.04−$1.82M−31.0%44.0K after2 lots
Sep 4, 2025 (view filing)Sep 31 dayBriseno GuillermoPresidentSSale−13.5K$79.03−$1.07M−34.8%25.3K after
Sep 2, 2025 (view filing)Aug 285 daysRautio Trudy A.DirectorSSale−31.9K$79.96−$2.55M−52.1%29.3K after2 lots
Sep 2, 2025 (view filing)Aug 285 daysDahlgren Andrew CPresidentSSale−3.00K$81.96−$245.9K−28.6%7.50K after
Sep 2, 2025 (view filing)Aug 285 daysCarpenter Tod E.Chairman, President and CEOSSale−100.5K$80.62−$8.10M−26.4%280.3K after
Sep 2, 2025 (view filing)Aug 285 daysBecker Amy CChief Legal OfficerSSale−18.5K$81.71−$1.51M−29.3%44.6K after
Jul 10, 2025 (view filing)Jul 8-102 daysCarpenter Tod E.Chairman, President and CEOSSale−60.0K$71.56−$4.29M−17.6%280.3K after3 lots
Jun 5, 2025 (view filing)Jun 41 dayOberton Willard DDirectorSSale−7.00K$69.51−$486.6K−19.1%29.7K after
Apr 11, 2025 (view filing)Apr 101 dayOwens JamesDirectorSSale−18.7K$62.02−$1.16M−48.0%20.2K after
Mar 18, 2025 (view filing)Mar 171 dayScalf Thomas RPresidentSSale−28.5K$69.22−$1.97M−50.1%28.3K after
Mar 5, 2025 (view filing)Mar 5Same dayOberton Willard DDirectorSSale−7.00K$68.22−$477.5K−19.1%29.6K after
Mar 3, 2025 (view filing)Feb 283 daysScalf Thomas RPresidentSSale−29.5K$68.89−$2.03M−51.0%28.3K after
Jan 6, 2025 (view filing)Jan 24 daysRautio Trudy A.DirectorSSale−14.0K$67.60−$946.4K−34.6%26.4K after
Jan 6, 2025 (view filing)Jan 24 daysOberton Willard DDirectorSSale−2.00K$67.95−$135.9K−6.6%28.1K after
Oct 9, 2024 (view filing)Oct 7-92 daysScalf Thomas RPresidentSSale−6.79K$73.27−$497.9K−19.3%28.3K after2 lots
Oct 8, 2024 (view filing)Oct 44 daysOberton Willard DDirectorSSale−2.70K$73.37−$198.1K−8.8%28.0K after
Sep 30, 2024 (view filing)Sep 273 daysRobinson Scott J.Chief Financial OfficerSSale−83.6K$74.04−$6.19M−68.9%37.7K after2 lots
Sep 24, 2024 (view filing)Sep 20-234 daysCarpenter Tod E.Chairman, President and CEOSSale−55.0K$72.62−$3.99M−17.6%256.7K after2 lots
Sep 23, 2024 (view filing)Sep 194 daysBecker Amy CChief Legal OfficerSSale−14.5K$72.89−$1.06M−26.0%41.4K after
Sep 19, 2024 (view filing)Sep 17-182 daysOwens JamesDirectorSSale−14.0K$72.17−$1.01M−44.0%17.8K after2 lots
Jul 3, 2024 (view filing)Jul 21 dayRobinson Scott J.Chief Financial OfficerSSale−37.6K$70.97−$2.67M−49.9%37.7K after
Mar 21, 2024 (view filing)Mar 201 dayOberton Willard DDirectorSSale−4.50K$73.54−$330.9K−14.0%27.7K after
Mar 19, 2024 (view filing)Mar 18-191 dayRobinson Scott J.Chief Financial OfficerSSale−37.0K$73.27−$2.71M−49.5%37.7K after2 lots
Mar 18, 2024 (view filing)Mar 153 daysKramer Sheila G.Chief Human Resources OfficerSSale−45.5K$73.52−$3.35M−66.3%23.2K after3 lots
Mar 8, 2024 (view filing)Mar 71 dayRajendra Ajita GDirectorSSale−18.7K$73.51−$1.37M−30.8%42.0K after
Mar 5, 2024 (view filing)Mar 1-44 daysScalf Thomas RPresidentSSale−10.7K$71.66−$767.2K−100.0%0 after2 lots
Mar 4, 2024 (view filing)Mar 13 daysRajendra Ajita GDirectorSSale−14.0K$72.23−$1.01M−25.0%41.9K after
Mar 4, 2024 (view filing)Feb 294 daysOberton Willard DDirectorSSale−4.50K$70.41−$316.8K−14.0%27.7K after
Jan 4, 2024 (view filing)Jan 22 daysOberton Willard DDirectorSSale−5.00K$64.99−$324.9K−16.0%26.3K after
Dec 12, 2023 (view filing)Dec 111 dayRajendra Ajita GDirectorSSale−11.4K$62.24−$709.5K−21.9%40.5K after
Dec 7, 2023 (view filing)Dec 61 dayBriseno GuillermoPresidentSSale−2.74K$61.50−$168.3K−14.5%16.2K after
Dec 1, 2023 (view filing)Nov 30-Dec 11 dayOwens JamesDirectorSSale−11.4K$60.89−$694.1K−42.5%15.4K after2 lots
Aug 31, 2023 (view filing)Aug 301 dayMilroy Douglas A.DirectorSSale−26.3K$63.95−$1.68M−90.3%2.82K after
Aug 31, 2023 (view filing)Aug 301 dayBecker Amy CChief Legal OfficerSSale−3.00K$63.84−$191.5K−7.7%35.8K after
Jul 5, 2023 (view filing)Jul 32 daysRobinson Scott J.Chief Financial OfficerSSale−24.0K$62.44−$1.50M−46.4%27.7K after
Apr 12, 2023 (view filing)Apr 111 dayHilger Christopher M.DirectorPPurchase+3.19K$62.76+$200.0K+68.0%7.87K after
Mar 3, 2023 (view filing)Mar 21 dayOwens JamesDirectorSSale−10.8K$66.08−$713.7K−42.9%14.4K after
Mar 3, 2023 (view filing)Mar 21 dayOberton Willard DDirectorSSale−8.40K$65.64−$551.4K−24.5%25.9K after
Jan 11, 2023 (view filing)Jan 11Same dayScalf Thomas RPresidentSSale−4.50K$61.00−$274.5K−14.5%26.4K after
Jan 5, 2023 (view filing)Jan 41 dayOberton Willard DDirectorSSale−3.00K$58.96−$176.9K−10.4%25.8K after2 lots
Dec 14, 2022 (view filing)Dec 131 dayRajendra Ajita GDirectorSSale−6.91K$60.39−$417.4K−15.1%38.8K after
Dec 5, 2022 (view filing)Dec 23 daysScalf Thomas RPresidentSSale−10.5K$60.95−$640.0K−28.6%26.2K after
Dec 5, 2022 (view filing)Dec 1-24 daysRajendra Ajita GDirectorSSale−7.49K$61.06−$457.2K−16.2%38.8K after2 lots
Dec 5, 2022 (view filing)Dec 14 daysDahlgren Andrew CPresidentSSale−2.44K$60.85−$148.2K−52.4%2.21K after
Dec 5, 2022 (view filing)Dec 14 daysBecker Amy CChief Legal OfficerSSale−3.50K$60.72−$212.5K−8.9%35.8K after