DCI · Insider Trading
Donaldson Company, Inc.
Every open-market purchase and sale reported by DCI officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-05 | James Owens | Director | A | +268 | +$23.76K |
| 2026-10-05 | Trudy A. Rautio | Director | A | +336 | +$29.79K |
| 2026-10-05 | Darcy J DeVincke | Chief Human Resources Officer | A | — | — |
| 2026-10-05 | Richard Brent Lewis | President | A | — | — |
| 2026-10-05 | Bart C. Driesen | President | A | — | — |
| 2026-10-05 | Andrew J. Cebulla | Corporate Controller | A | — | — |
| 2026-10-05 | Bradley J. Pogalz | Chief Financial Officer | A | — | — |
| 2026-10-05 | Amy C Becker | Chief Legal Officer | A | — | — |
| 2026-10-05 | Christopher M. Hilger | Director | A | +402 | +$35.64K |
| 2026-10-05 | Jacinth C Smiley | Director | A | +268 | +$23.76K |
| 2026-09-28 | Bart C. Driesen | President | MIXED | +1,804 | −$230.44K |
| 2026-09-28 | Amy C Becker | Chief Legal Officer | MIXED | +3,039 | −$254.95K |
| 2026-09-28 | Tod E. Carpenter | Chairman, President and CEO | MIXED | +19,370 | −$1.62M |
| 2026-09-28 | Richard Brent Lewis | President | MIXED | +6,191 | −$12.90K |
| 2026-09-10 | Tod E. Carpenter | Chairman, President and CEO | MIXED | — | −$1.55M |
| 2026-09-01 | Tod E. Carpenter | Chairman, President and CEO | MIXED | — | −$146.38K |
| 2026-08-28 | Bradley J. Pogalz | Chief Financial Officer | MIXED | +871 | −$67.37K |
| 2026-07-07 | Jacinth C Smiley | Director | A | +267 | +$23.79K |
| 2026-07-07 | James Owens | Director | A | +267 | +$23.79K |
| 2026-07-07 | Trudy A. Rautio | Director | A | +334 | +$29.76K |
| 2026-07-07 | Christopher M. Hilger | Director | A | +400 | +$35.64K |
| 2026-04-14 | James Owens | Director | MIXED | — | −$884.22K |
| 2026-04-06 | Christopher M. Hilger | Director | A | +418 | +$35.63K |
| 2026-04-06 | James Owens | Director | A | +279 | +$23.78K |
| 2026-04-06 | Trudy A. Rautio | Director | A | +349 | +$29.75K |
| 2026-04-06 | Jacinth C Smiley | Director | A | +279 | +$23.78K |
| 2026-03-27 | Guillermo Briseno | President | MIXED | — | −$847.04K |
| 2026-03-04 | Richard Brent Lewis | President | A | — | — |
| 2026-01-06 | Pilar Cruz | Director | A | +900 | — |
| 2026-01-06 | Christopher M. Hilger | Director | A | +1,275 | +$33.72K |
| 2026-01-06 | Douglas A. Milroy | Director | A | +900 | — |
| 2026-01-06 | Richard M Olson | Director | A | +900 | — |
| 2026-01-06 | James Owens | Director | A | +1,150 | +$22.48K |
| 2026-01-06 | Ajita G Rajendra | Director | A | +900 | — |
| 2026-01-06 | Trudy A. Rautio | Director | A | +1,211 | +$27.97K |
| 2026-01-06 | Daniel P Shine | Director | A | +900 | — |
| 2026-01-06 | Jacinth C Smiley | Director | A | +1,150 | +$22.48K |
| 2025-12-10 | Bradley J. Pogalz | Chief Financial Officer | MIXED | +434 | −$23.83K |
| 2025-12-10 | Daniel P Shine | Director | A | +100 | — |
| 2025-12-08 | Ajita G Rajendra | Director | MIXED | — | −$941.42K |
| 2025-10-06 | Christopher M. Hilger | Director | A | +409 | +$33.79K |
| 2025-10-06 | James Owens | Director | A | +272 | +$22.47K |
| 2025-10-06 | Trudy A. Rautio | Director | A | +339 | +$28.00K |
| 2025-10-06 | Jacinth C Smiley | Director | A | +272 | +$22.47K |
| 2025-10-03 | Amy C Becker | Chief Legal Officer | A | — | — |
| 2025-10-03 | Tod E. Carpenter | Chairman, President and CEO | A | — | — |
| 2025-10-03 | Andrew J. Cebulla | Corporate Controller | A | — | — |
| 2025-10-03 | Guillermo Briseno | President | A | — | — |
| 2025-10-03 | Darcy J DeVincke | Chief Human Resources Officer | A | — | — |
| 2025-10-03 | Bart C. Driesen | President | A | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| Tod E. Carpenter | Chairman, President and CEO | 348,808 | $30.68M |
| Thomas R Scalf | President | 56,937 | $5.01M |
| Amy C Becker | Chief Legal Officer | 52,089 | $4.58M |
| Richard Brent Lewis | President | 51,661 | $4.54M |
| Ajita G Rajendra | Director | 44,997 | $3.96M |
| Willard D Oberton | Director | 29,834 | $2.62M |
| Guillermo Briseno | President | 29,267 | $2.57M |
| Trudy A. Rautio | Director | 28,541 | $2.51M |
| James Owens | Director | 23,261 | $2.05M |
| Pilar Cruz | Director | 16,747 | $1.47M |
| Christopher M. Hilger | Director | 16,692 | $1.47M |
| Douglas A. Milroy | Director | 15,065 | $1.33M |
| Bart C. Driesen | President | 11,916 | $1.05M |
| Jacinth C Smiley | Director | 8,540 | $751.26K |
| Andrew C Dahlgren | President | 7,554 | $664.53K |
| Richard M Olson | Director | 6,090 | $535.74K |
| Darcy J DeVincke | Chief Human Resources Officer | 3,994 | $351.35K |
| Bradley J. Pogalz | Chief Financial Officer | 2,198 | $193.36K |
| Andrew J. Cebulla | Corporate Controller | 2,047 | $180.07K |
| Daniel P Shine | Director | 1,000 | $87.97K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the DCI quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.