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 $9.43B 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.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Carpenter Tod E. | Chairman, President and CEO | 298,699 | Sep 10, 2026 | 4 |
| Pogalz Bradley J. | Chief Financial Officer | 1,305 | Aug 28, 2026 | 3 |
| Smiley Jacinth C | Director | 8,243 | Jul 7, 2026 | 4 |
| Rautio Trudy A. | Director | 28,106 | Jul 7, 2026 | 4 |
| Owens James | Director | 22,913 | Jul 7, 2026 | 5 |
| Hilger Christopher M. | Director | 16,244 | Jul 7, 2026 | 4 |
| Briseno Guillermo | President | 29,267 | Mar 27, 2026 | 3 |
| Lewis Richard Brent | President | 44,297 | Mar 4, 2026 | 3 |
| Rajendra Ajita G | Director | 44,997 | Jan 6, 2026 | 2 |
| Milroy Douglas A. | Director | 2,473 | Jan 6, 2026 | 1 |
| Olson Richard M | Director | 6,090 | Jan 6, 2026 | 1 |
| Shine Daniel P | Director | 1,000 | Jan 6, 2026 | 2 |
| Cruz Pilar | Director | 16,747 | Jan 6, 2026 | 1 |
| Becker Amy C | Chief Legal Officer | 47,459 | Oct 3, 2025 | 2 |
| Cebulla Andrew J. | Corporate Controller | 1,638 | Oct 3, 2025 | 1 |
| DeVincke Darcy J | Chief Human Resources Officer | – | Oct 3, 2025 | 1 |
| Driesen Bart C. | President | – | Oct 3, 2025 | 1 |
| Dahlgren Andrew C | President | 7,504 | Sep 2, 2025 | 0 |
| Oberton Willard D | Director | 29,834 | Jul 8, 2025 | 0 |
| Scalf Thomas R | President | 28,334 | Mar 18, 2025 | 0 |
| Kramer Sheila G. | Chief Human Resources Officer | 27,363 | Oct 3, 2024 | 0 |
| Robinson Scott J. | Chief Financial Officer | 44,042 | Oct 3, 2024 | 0 |
| Wiehoff John | Director | 63,917 | Oct 11, 2022 | 0 |
| Vermeersch Wim | Vice President | 4,669 | Oct 3, 2022 | 0 |
| Spethmann Jeffrey E | Senior Vice President | 25,828 | Sep 26, 2022 | 0 |
| Hoffman Michael J | Director | 65,543 | Jan 5, 2022 | 0 |
| Keller Peter Joseph | Corporate Controller | 2,000 | Dec 30, 2021 | 0 |
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.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 2, 2025 (view filing) | Aug 28 | 5 days | Rautio Trudy A.Director | SSale | −31.9K | $79.96 | −$2.55M | −52.1%29.3K after | 2 lots |
| Sep 4, 2025 (view filing) | Sep 3 | 1 day | Briseno GuillermoPresident | SSale | −13.5K | $79.03 | −$1.07M | −34.8%25.3K after | |
| Dec 8, 2025 (view filing) | Dec 5 | 3 days | Rajendra Ajita GDirector | SSale | −19.8K | $92.04 | −$1.82M | −31.0%44.0K after | 2 lots |
| Dec 10, 2025 (view filing) | Dec 9 | 1 day | Pogalz Bradley J.Chief Financial Officer | SSale | −566 | $91.57 | −$51.8K | −56.6%434 after | |
| Mar 27, 2026 (view filing) | Mar 26 | 1 day | Briseno GuillermoPresident | SSale | −20.6K | $84.97 | −$1.75M | −41.3%29.3K after | 2 lots |
| Apr 14, 2026 (view filing) | Apr 10-14 | 4 days | Owens JamesDirector | SSale | −19.8K | $89.15 | −$1.77M | −46.7%22.6K after | 4 lots |
| Sep 1, 2026 (view filing)4:09 PM ET | Aug 31 | 1 day | Carpenter Tod E.Chairman, President and CEO | SSale | −3.03K | $91.00 | −$275.9K | −1.0%298.7K after | |
| Sep 10, 2026 (view filing)12:30 PM ET | Sep 4 | 6 daysLate | Carpenter Tod E.Chairman, President and CEO | SSale | −32.0K | $91.10 | −$2.91M | −9.7%298.7K after |