Donaldson's three largest insider shareholders as of June 02, 2026 are Tod E. Carpenter (Chairman, President And Ceo, 298.70K shares), John Wiehoff (Director, 63.92K shares), Thomas R Scalf (President, 56.83K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Willard D Oberton | - | 29,834 | 0 | 08 Jul, 2025 |
| John Wiehoff | - | 63,917 | 0 | 11 Oct, 2022 |
| Trudy A. Rautio | - | 27,673 | 0 | 06 Apr, 2026 |
| Ajita G Rajendra | - | 44,997 | 0 | 06 Jan, 2026 |
| Douglas A. Milroy | - | 4,046 | 0 | 04 Jan, 2024 |
| Tod E. Carpenter | Chairman, President And Ceo | 298,699 | 0 | 29 Sep, 2025 |
| James Owens | - | 22,565 | 0 | 06 Apr, 2026 |
| Wim Vermeersch | Vice President | 4,669 | 0 | 03 Oct, 2022 |
| Thomas R Scalf | President | 56,834 | 0 | 18 Mar, 2025 |
| Amy C Becker | Chief Legal Officer | 47,459 | 0 | 29 Sep, 2025 |
| Sheila G. Kramer | Chief Human Resources Officer | 27,363 | 0 | 01 Oct, 2024 |
| Scott J. Robinson | Chief Financial Officer | 44,042 | 0 | 01 Oct, 2024 |
| Daniel P Shine | - | 1,000 | 0 | 06 Jan, 2026 |
| Jeffrey E Spethmann | Senior Vice President | 25,828 | 0 | 26 Sep, 2022 |
| Richard Brent Lewis | President | 44,297 | 0 | 03 Oct, 2025 |
| Pilar Cruz | - | 16,747 | 0 | 06 Jan, 2026 |
| Jacinth C Smiley | - | 7,948 | 0 | 06 Apr, 2026 |
| Peter Joseph Keller | Corporate Controller | 2,000 | 0 | 30 Dec, 2021 |
| Andrew J. Cebulla | Corporate Controller | 1,638 | 0 | 08 Jul, 2025 |
| Christopher M. Hilger | - | 15,799 | 0 | 06 Apr, 2026 |
| Andrew C Dahlgren | President | 7,504 | 0 | 02 Sep, 2025 |
| Guillermo Briseno | President | 29,267 | 0 | 27 Mar, 2026 |
| Bradley J. Pogalz | Chief Financial Officer | 434 | 0 | 10 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 03 Apr, 2026 | Christopher M. Hilger | Common Stock | A | 418 | $85.23 | 15,799 | D | A |
| 03 Apr, 2026 | Christopher M. Hilger | Common Stock | A | 418 | $85.23 | 15,799 | D | A |
| 03 Apr, 2026 | Jacinth C Smiley | Common Stock | A | 279 | $85.23 | 7,948 | D | A |
| 03 Apr, 2026 | James Owens | Common Stock | A | 279 | $85.23 | 22,565 | D | A |
| 03 Apr, 2026 | Jacinth C Smiley | Common Stock | A | 279 | $85.23 | 7,948 | D | A |
| 03 Apr, 2026 | Christopher M. Hilger | Common Stock | A | 418 | $85.23 | 15,799 | D | A |
| 03 Apr, 2026 | Trudy A. Rautio | Common Stock | A | 349 | $85.23 | 27,673 | D | A |
| 03 Apr, 2026 | Jacinth C Smiley | Common Stock | A | 279 | $85.23 | 7,948 | D | A |
| 26 Mar, 2026 | Guillermo Briseno | Common Stock | A | 12,000 | $42.72 | 41,267 | D | M |
| 26 Mar, 2026 | Guillermo Briseno | Common Stock | D | 12,000 | $84.97 | 29,267 | D | S |
| 26 Mar, 2026 | Guillermo Briseno | Common Stock | A | 8,600 | $45.43 | 37,867 | D | M |
| 26 Mar, 2026 | Guillermo Briseno | Common Stock | D | 8,600 | $84.97 | 29,267 | D | S |
| 26 Mar, 2026 | Guillermo Briseno | Employee Stock Option (right to buy) | D | 12,000 | $0.00 | 0 | D | M |
| 26 Mar, 2026 | Guillermo Briseno | Employee Stock Option (right to buy) | D | 8,600 | $0.00 | 8,600 | D | M |
| 02 Mar, 2026 | Richard Brent Lewis | Employee Stock Option (right to buy) | A | 15,500 | $0.00 | 15,500 | D | A |
| 02 Mar, 2026 | Richard Brent Lewis | Employee Stock Option (right to buy) | A | 15,500 | $0.00 | 15,500 | D | A |
| 02 Mar, 2026 | Richard Brent Lewis | Employee Stock Option (right to buy) | A | 15,500 | $0.00 | 15,500 | D | A |
| 02 Mar, 2026 | Richard Brent Lewis | Employee Stock Option (right to buy) | A | 15,500 | $0.00 | 15,500 | D | A |
| 02 Jan, 2026 | Christopher M. Hilger | Common Stock | A | 375 | $89.93 | 14,442 | D | A |
| 02 Jan, 2026 | Douglas A. Milroy | Common Stock | A | 900 | $0.00 | 2,473 | D | A |