Donaldson's top three insider shareholders as of April 22, 2026 are Tod E. Carpenter (Chairman, President And Ceo, 298.70K shares), Michael J Hoffman (Director, 65.54K shares), John Wiehoff (Director, 63.92K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Tod E. Carpenter | Chairman, President And Ceo | 298,699 | 0 | 29 Sep, 2025 |
| Michael J Hoffman | - | 65,543 | 0 | 05 Jan, 2022 |
| John Wiehoff | - | 63,917 | 0 | 11 Oct, 2022 |
| John Wiehoff | - | 63,917 | 0 | 11 Oct, 2022 |
| John Wiehoff | - | 63,917 | 0 | 11 Oct, 2022 |
| Thomas R Scalf | President | 56,834 | 0 | 18 Mar, 2025 |
| Thomas R Scalf | President | 56,834 | 0 | 18 Mar, 2025 |
| Thomas R Scalf | President | 56,834 | 0 | 18 Mar, 2025 |
| Amy C Becker | Chief Legal Officer | 47,459 | 0 | 29 Sep, 2025 |
| Ajita G Rajendra | - | 44,997 | 0 | 06 Jan, 2026 |
| Richard Brent Lewis | President | 44,297 | 0 | 03 Oct, 2025 |
| Richard Brent Lewis | President | 44,297 | 0 | 03 Oct, 2025 |
| Richard Brent Lewis | President | 44,297 | 0 | 03 Oct, 2025 |
| Scott J. Robinson | Chief Financial Officer | 44,042 | 0 | 01 Oct, 2024 |
| Scott J. Robinson | Chief Financial Officer | 44,042 | 0 | 01 Oct, 2024 |
| Scott J. Robinson | Chief Financial Officer | 44,042 | 0 | 01 Oct, 2024 |
| Willard D Oberton | - | 29,834 | 0 | 08 Jul, 2025 |
| Willard D Oberton | - | 29,834 | 0 | 08 Jul, 2025 |
| Willard D Oberton | - | 29,834 | 0 | 08 Jul, 2025 |
| Guillermo Briseno | President | 29,267 | 0 | 27 Mar, 2026 |
| Thomas R Scalf | President | 28,334 | 0 | 18 Mar, 2025 |
| Thomas R Scalf | President | 28,334 | 0 | 18 Mar, 2025 |
| Thomas R Scalf | President | 28,334 | 0 | 18 Mar, 2025 |
| Trudy A. Rautio | - | 27,673 | 0 | 06 Apr, 2026 |
| Sheila G. Kramer | Chief Human Resources Officer | 27,363 | 0 | 01 Oct, 2024 |
| Sheila G. Kramer | Chief Human Resources Officer | 27,363 | 0 | 01 Oct, 2024 |
| Sheila G. Kramer | Chief Human Resources Officer | 27,363 | 0 | 01 Oct, 2024 |
| Jeffrey E Spethmann | Senior Vice President | 25,828 | 0 | 26 Sep, 2022 |
| Jeffrey E Spethmann | Senior Vice President | 25,828 | 0 | 26 Sep, 2022 |
| Jeffrey E Spethmann | Senior Vice President | 25,828 | 0 | 26 Sep, 2022 |
| James Owens | - | 22,565 | 0 | 14 Apr, 2026 |
| Guillermo Briseno | President | 21,971 | 0 | 05 Sep, 2024 |
| Pilar Cruz | - | 16,747 | 0 | 06 Jan, 2026 |
| Christopher M. Hilger | - | 15,799 | 0 | 06 Apr, 2026 |
| Christopher M. Hilger | - | 15,799 | 0 | 06 Apr, 2026 |
| Christopher M. Hilger | - | 15,342 | 0 | 06 Jan, 2026 |
| Jacinth C Smiley | - | 7,948 | 0 | 06 Apr, 2026 |
| Jacinth C Smiley | - | 7,948 | 0 | 06 Apr, 2026 |
| Jacinth C Smiley | - | 7,644 | 0 | 06 Jan, 2026 |
| Andrew C Dahlgren | President | 7,504 | 0 | 02 Sep, 2025 |
| Andrew C Dahlgren | President | 7,504 | 0 | 02 Sep, 2025 |
| Andrew C Dahlgren | President | 7,504 | 0 | 02 Sep, 2025 |
| Richard M Olson | - | 6,090 | 0 | 06 Jan, 2026 |
| Wim Vermeersch | Vice President | 4,669 | 0 | 03 Oct, 2022 |
| Wim Vermeersch | Vice President | 4,669 | 0 | 03 Oct, 2022 |
| Wim Vermeersch | Vice President | 4,669 | 0 | 03 Oct, 2022 |
| Douglas A. Milroy | - | 4,046 | 0 | 04 Jan, 2024 |
| Douglas A. Milroy | - | 4,046 | 0 | 04 Jan, 2024 |
| Douglas A. Milroy | - | 4,046 | 0 | 04 Jan, 2024 |
| Douglas A. Milroy | - | 2,473 | 0 | 06 Jan, 2026 |
| Douglas A. Milroy | - | 2,473 | 0 | 06 Jan, 2026 |
| Douglas A. Milroy | - | 2,473 | 0 | 06 Jan, 2026 |
| Peter Joseph Keller | Corporate Controller | 2,000 | 0 | 30 Dec, 2021 |
| Peter Joseph Keller | Corporate Controller | 2,000 | 0 | 30 Dec, 2021 |
| Peter Joseph Keller | Corporate Controller | 2,000 | 0 | 30 Dec, 2021 |
| Andrew J. Cebulla | Corporate Controller | 1,638 | 0 | 08 Jul, 2025 |
| Daniel P Shine | - | 1,000 | 0 | 06 Jan, 2026 |
| Daniel P Shine | - | 1,000 | 0 | 06 Jan, 2026 |
| Daniel P Shine | - | 1,000 | 0 | 06 Jan, 2026 |
| Bradley J. Pogalz | Chief Financial Officer | 434 | 0 | 10 Dec, 2025 |
| Bradley J. Pogalz | Chief Financial Officer | 434 | 0 | 10 Dec, 2025 |
| 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 |
|---|---|---|---|---|---|---|---|---|
| 10 Apr, 2026 | James Owens | Common Stock | A | 126 | $42.26 | 22,691 | D | M |
| 10 Apr, 2026 | James Owens | Common Stock | D | 126 | $88.82 | 22,565 | D | S |
| 13 Apr, 2026 | James Owens | Common Stock | A | 5,921 | $42.26 | 28,486 | D | M |
| 13 Apr, 2026 | James Owens | Common Stock | D | 5,921 | $89.02 | 22,565 | D | S |
| 14 Apr, 2026 | James Owens | Common Stock | A | 7,153 | $42.26 | 29,718 | D | M |
| 14 Apr, 2026 | James Owens | Common Stock | D | 7,153 | $89.21 | 22,565 | D | S |
| 14 Apr, 2026 | James Owens | Common Stock | A | 6,600 | $48.96 | 29,165 | D | M |
| 14 Apr, 2026 | James Owens | Common Stock | D | 6,600 | $89.21 | 22,565 | D | S |
| 10 Apr, 2026 | James Owens | Stock Option (right to buy) | D | 126 | $0.00 | 13,074 | D | M |
| 13 Apr, 2026 | James Owens | Stock Option (right to buy) | D | 5,921 | $0.00 | 7,153 | D | M |
| 14 Apr, 2026 | James Owens | Stock Option (right to buy) | D | 7,153 | $0.00 | 0 | D | M |
| 14 Apr, 2026 | James Owens | Stock Option (right to buy) | D | 6,600 | $0.00 | 0 | D | M |
| 03 Apr, 2026 | Christopher M. Hilger | Common Stock | A | 418 | $85.23 | 15,799 | 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 | Trudy A. Rautio | Common Stock | A | 349 | $85.23 | 27,673 | 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 |