Based on data from the past 90 days ending February 06, 2026, Donaldson's three largest insider shareholders are Chairman And President And Ceo Tod E. Carpenter (292.08K shares), Director Michael J Hoffman (65.54K shares), Director John Wiehoff (63.92K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Tod E. Carpenter | Chairman And President And Ceo | 292,076 | 10 Jul, 2025 |
| Michael J Hoffman | 65,543 | 05 Jan, 2022 | |
| John Wiehoff | 63,917 | 11 Oct, 2022 | |
| Thomas R Scalf | President | 56,937 | 18 Mar, 2025 |
| Ajita G Rajendra | 44,997 | 06 Jan, 2026 | |
| Scott J. Robinson | Chief Financial Officer | 38,833 | 30 Sep, 2024 |
| Willard D Oberton | 29,834 | 08 Jul, 2025 | |
| Guillermo Briseno | President | 29,244 | 29 Sep, 2025 |
| Trudy A. Rautio | 27,235 | 06 Jan, 2026 | |
| Sheila G. Kramer | Chief Human Resources Officer | 24,267 | 18 Mar, 2024 |
| James Owens | 22,215 | 06 Jan, 2026 | |
| Andrew C Dahlgren | President | 19,664 | 12 Oct, 2023 |
| Pilar Cruz | 16,747 | 06 Jan, 2026 | |
| Christopher M. Hilger | 15,342 | 06 Jan, 2026 | |
| Richard Brent Lewis | Senior Vice President | 13,785 | 13 Sep, 2022 |
| Douglas A. Milroy | 11,206 | 06 Jan, 2026 | |
| Jacinth C Smiley | 7,644 | 06 Jan, 2026 | |
| Richard M Olson | 6,090 | 06 Jan, 2026 | |
| Wim Vermeersch | Vice President | 4,669 | 03 Oct, 2022 |
| Peter Joseph Keller | Corporate Controller | 4,277 | 30 Dec, 2021 |
| Jeffrey E Spethmann | Senior Vice President | 4,009 | 26 Sep, 2022 |
| Andrew J. Cebulla | Corporate Controller | 2,832 | 12 Jun, 2023 |
| Amy C Becker | Chief Legal Officer | 1,564 | 29 Sep, 2025 |
| Daniel P Shine | 1,000 | 06 Jan, 2026 | |
| Bradley J. Pogalz | Chief Financial Officer | 47 | 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Jan, 2026 | Trudy A. Rautio | Common Stock | A | 311 | $89.93 | 27,235 | D | A |
| 02 Jan, 2026 | Trudy A. Rautio | Common Stock | A | 900 | $0.00 | 26,924 | D | A |
| 02 Jan, 2026 | Ajita G Rajendra | Common Stock | A | 900 | $0.00 | 44,997 | D | A |
| 02 Jan, 2026 | Douglas A. Milroy | Common Stock | A | 900 | $0.00 | 2,473 | D | A |
| 02 Jan, 2026 | James Owens | Common Stock | A | 250 | $89.93 | 22,215 | D | A |
| 02 Jan, 2026 | James Owens | Common Stock | A | 900 | $0.00 | 21,965 | D | A |
| 02 Jan, 2026 | Richard M Olson | Common Stock | A | 900 | $0.00 | 6,090 | D | A |
| 02 Jan, 2026 | Daniel P Shine | Common Stock | A | 900 | $0.00 | 1,000 | D | A |
| 02 Jan, 2026 | Pilar Cruz | Common Stock | A | 900 | $0.00 | 16,747 | D | A |
| 02 Jan, 2026 | Jacinth C Smiley | Common Stock | A | 250 | $89.93 | 7,644 | D | A |
| 02 Jan, 2026 | Jacinth C Smiley | Common Stock | A | 900 | $0.00 | 7,394 | D | A |
| 02 Jan, 2026 | Christopher M. Hilger | Common Stock | A | 900 | $0.00 | 15,342 | D | A |
| 02 Jan, 2026 | Christopher M. Hilger | Common Stock | A | 375 | $89.93 | 14,442 | D | A |
| 09 Dec, 2025 | Bradley J. Pogalz | - | - | 803 | I | |||
| 09 Dec, 2025 | Bradley J. Pogalz | Common Stock | A | 1,000 | $28.00 | 803 | I | M |
| 09 Dec, 2025 | Bradley J. Pogalz | Common Stock | D | 566 | $91.57 | 47 | I | S |
| 09 Dec, 2025 | Bradley J. Pogalz | - | - | 47 | I | |||
| 08 Dec, 2025 | Daniel P Shine | Common Stock | A | 100 | $0.00 | 100 | D | A |
| 05 Dec, 2025 | Ajita G Rajendra | Common Stock | D | 6,600 | $92.04 | 43,993 | D | S |
| 05 Dec, 2025 | Ajita G Rajendra | Common Stock | A | 6,600 | $48.96 | 50,593 | D | M |