| $247M | ||
| $203M | ||
| $40M | ||
| $21M | ||
| $18M | ||
| $18M |
Buys | $0 | 0 | 0 |
Sells | $18,792,667 | 14 | 100 |
| Pogalz Bradley J. | Chief Financial Officer | 0 | $0 | 1 | $51,829 | $-51,829 |
| Dahlgren Andrew C | President | 0 | $0 | 1 | $245,880 | $-245,880 |
| Rajendra Ajita G | director | 0 | $0 | 1 | $607,464 | $-607,464 |
| Rautio Trudy A. | director | 0 | $0 | 1 | $1.06M | $-1.06M |
| Owens James | director | 0 | $0 | 3 | $1.13M | $-1.13M |
| Becker Amy C | Chief Legal Officer | 0 | $0 | 1 | $1.51M | $-1.51M |
| Briseno Guillermo | President | 0 | $0 | 2 | $1.8M | $-1.8M |
| Carpenter Tod E. | Chairman, President and CEO | 0 | $0 | 4 | $12.4M | $-12.4M |
Donaldson Company, Inc. (DCI) is a global enterprise that develops, manufactures, and distributes an extensive range of filtration systems and their corresponding replacement parts. The company's operations are strategically divided into two core business units: Engine Products and Industrial Products. The Engine Products division provides a variety of solutions, including replacement filters for both air and liquid filtration needs, comprehensive air filtration systems, and specialized liquid filtration systems designed for fuel, lubrication, and hydraulic applications. This segment also offers exhaust and emissions control technologies, alongside a suite of sensors, indicators, and monitoring systems. Its clientele primarily consists of Original Equipment Manufacturers (OEMs) within the construction, mining, agriculture, aerospace, defense, and transportation industries. Additionally, it caters to the aftermarket through independent distributors, OEM dealership networks, private label accounts, and major fleet operators. The Industrial Products segment offers a diverse portfolio of filtration solutions, such as systems for collecting dust, fumes, and mist, as well as purification systems for compressed air. It also supplies gas and liquid filtration technologies for the food, beverage, and broader industrial sectors. Furthermore, this division manufactures air filtration systems for gas turbines, produces polytetrafluoroethylene (PTFE) membrane-based products, and designs specialized air and gas filtration systems for highly sensitive applications like hard disk drives and semiconductor manufacturing, complete with associated sensors, indicators, and monitoring systems. This segment's products are sold to a wide network of dealers and distributors, OEMs of gas-fired turbines, and various other OEMs and end-users seeking advanced air filtration solutions and replacement components. Established in 1915, Donaldson Company, Inc. maintains its corporate headquarters in Bloomington, Minnesota.
Over the last 12 months, insiders at Donaldson Company, Inc. have bought $0 and sold $18.79M worth of Donaldson Company, Inc. stock.
On average, over the past 5 years, insiders at Donaldson Company, Inc. have bought $199,953 and sold $11.89M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 3,186 shares for transaction amount of $199,953 was made by Hilger Christopher M. (director) on 2023‑04‑11.
| 2026-04-14 | Sale | Owens James | director | 6,600 0.0057% | $89.21 | $588,786 | -4.32% | |
| 2026-04-13 | Sale | Owens James | director | 5,921 0.0051% | $89.02 | $527,087 | -3.74% | |
| 2026-04-10 | Sale | Owens James | director | 126 0.0001% | $88.82 | $11,191 | -3.27% | |
| 2026-03-26 | Sale | Briseno Guillermo | President | 8,600 0.0074% | $84.97 | $730,742 | +0.97% | |
| 2025-12-09 | Sale | Pogalz Bradley J. | Chief Financial Officer | 566 0.0005% | $91.57 | $51,829 | -0.91% | |
| 2025-12-05 | Sale | Rajendra Ajita G | director | 6,600 0.0057% | $92.04 | $607,464 | -3.24% | |
| 2025-09-03 | Sale | Briseno Guillermo | President | 13,500 0.0115% | $79.03 | $1.07M | +9.88% | |
| 2025-08-28 | Sale | Carpenter Tod E. | Chairman, President and CEO | 100,500 0.0868% | $80.62 | $8.1M | +8.64% | |
| 2025-08-28 | Sale | Becker Amy C | Chief Legal Officer | 18,500 0.0162% | $81.71 | $1.51M | +8.64% | |
| 2025-08-28 | Sale | Rautio Trudy A. | director | 13,200 0.0113% | $79.96 | $1.06M | +8.64% | |
| 2025-08-28 | Sale | Dahlgren Andrew C | President | 3,000 0.0026% | $81.96 | $245,880 | +8.64% | |
| 2025-07-10 | Sale | Carpenter Tod E. | Chairman, President and CEO | 45,808 0.0394% | $71.71 | $3.28M | +20.19% | |
| 2025-07-09 | Sale | Carpenter Tod E. | Chairman, President and CEO | 2,159 0.0019% | $71.00 | $153,289 | +21.39% | |
| 2025-07-08 | Sale | Carpenter Tod E. | Chairman, President and CEO | 12,033 0.0104% | $71.07 | $855,185 | +21.76% | |
| 2025-06-04 | Sale | OBERTON WILLARD D | director | 7,000 0.0059% | $69.51 | $486,570 | +23.24% | |
| 2025-04-10 | Sale | Owens James | director | 18,700 0.0162% | $62.02 | $1.16M | +33.69% | |
| 2025-03-17 | Sale | SCALF THOMAS R | President | 28,500 0.0239% | $69.22 | $1.97M | +18.21% | |
| 2025-03-05 | Sale | OBERTON WILLARD D | director | 7,000 0.0058% | $68.22 | $477,540 | +17.34% | |
| 2025-02-28 | Sale | SCALF THOMAS R | President | 29,500 0.0248% | $68.89 | $2.03M | +16.29% | |
| 2025-01-02 | Sale | OBERTON WILLARD D | director | 2,000 0.0017% | $67.95 | $135,900 | +6.08% |
| Carpenter Tod E. | Chairman, President and CEO | 280261 0.2418% | $23.54M | 0 | 14 | |
| Becker Amy C | Chief Legal Officer | 44645 0.0385% | $3.75M | 0 | 6 | |
| Rajendra Ajita G | director | 43993 0.038% | $3.69M | 0 | 8 | |
| Rautio Trudy A. | director | 29330 0.0253% | $2.46M | 0 | 2 | |
| Briseno Guillermo | President | 29267 0.0252% | $2.46M | 0 | 3 | |
| Owens James | director | 22565 0.0195% | $1.9M | 0 | 9 | |
| Dahlgren Andrew C | President | 7504 0.0065% | $630,185.92 | 0 | 2 | |
| Pogalz Bradley J. | Chief Financial Officer | 434 0.0004% | $36,447.32 | 0 | 1 | |
| VAN DYKE WILLIAM G | Chairman | 826898 0.7134% | $69.44M | 0 | 5 | |
| COOK WILLIAM M | Chairman, President and CEO | 419461 0.3619% | $35.23M | 0 | 2 | |
| PRIADKA NICKOLAS | Senior VP | 347316 0.2996% | $29.17M | 0 | 2 | |
| GIERTZ JAMES R | Senior Vice President | 225136 0.1942% | $18.91M | 0 | 3 | |
| SCHWAB LOWELL F | Senior Vice President | 178002 0.1536% | $14.95M | 0 | 5 | |
| MCMURRAY CHARLES J | Senior Vice President | 139788 0.1206% | $11.74M | 0 | 1 | |
| EUGSTER JACK W | director | 118357 0.1021% | $9.94M | 0 | 15 | |
| DOLAN JANET M | director | 115468 0.0996% | $9.7M | 0 | 5 | |
| LINNELL NORMAN C | Vice President | 75791 0.0654% | $6.36M | 0 | 4 | |
| Ward Jay L | Senior Vice President | 75515 0.0651% | $6.34M | 1 | 10 | <0.0001% |
| Joppa Sandra N | Vice President | 67086 0.0579% | $5.63M | 1 | 4 | +11.63% |
| HOFFMAN MICHAEL J | director | 64015 0.0552% | $5.38M | 0 | 5 | |
| WIEHOFF JOHN | director | 58837 0.0508% | $4.94M | 0 | 8 | |
| NODDLE JEFFREY | director | 39383 0.034% | $3.31M | 0 | 2 | |
| Robinson Scott J. | Chief Financial Officer | 37702 0.0325% | $3.17M | 0 | 6 | |
| MILLER PAUL DAVID | director | 33771 0.0291% | $2.84M | 0 | 5 | |
| VERHAGE THOMAS R | Vice President | 32817 0.0283% | $2.76M | 0 | 4 | |
| Perushek Mary Lynne | Vice President | 30238 0.0261% | $2.54M | 0 | 7 | |
| OBERTON WILLARD D | director | 29661 0.0256% | $2.49M | 1 | 19 | <0.0001% |
| Timm David W | Vice President | 28556 0.0246% | $2.4M | 0 | 5 | |
| SCALF THOMAS R | President | 28334 0.0244% | $2.38M | 0 | 15 | |
| Kramer Sheila G. | Chief Human Resources Officer | 23171 0.02% | $1.95M | 0 | 1 | |
| Vann William I | Vice President | 22111 0.0191% | $1.86M | 0 | 1 | |
| Spethmann Jeffrey E | Senior Vice President | 19135 0.0165% | $1.61M | 1 | 1 | +4.74% |
| Hilger Christopher M. | director | 7872 0.0068% | $661,090.56 | 1 | 0 | +0.7% |
| Shaw James F | Vice President | 7685 0.0066% | $645,386.30 | 0 | 1 | |
| BASTIAENS F GUILLAUME | director | 7381 0.0064% | $619,856.38 | 0 | 1 | |
| Vermeersch Wim | Vice President | 4669 0.004% | $392,102.62 | 1 | 4 | +10.73% |
| Wilfong Debra L | Vice President | 4300 0.0037% | $361,114.00 | 2 | 0 | +62.93% |
| Osland Melissa A. | Controller | 3563 0.0031% | $299,220.74 | 0 | 3 | |
| GRUNDHOFER JOHN F | director | 3500 0.003% | $293,930.00 | 0 | 5 | |
| Lewis Richard Brent | Vice President | 3013 0.0026% | $253,031.74 | 0 | 1 | |
| Milroy Douglas A. | director | 2824 0.0024% | $237,159.52 | 3 | 1 | +9.45% |
| Keller Peter Joseph | Corporate Controller | 2000 0.0017% | $167,960.00 | 0 | 1 | |
| Touw Geert Henk | Senior Vice President | 0 0% | $0 | 0 | 2 |
| Increased Positions | 285 | +43.78% | 7M | +6.69% |
| Decreased Positions | 268 | -41.17% | 7M | -7.3% |
| New Positions | 101 | New | 2M | New |
| Sold Out Positions | 47 | Sold Out | 1M | Sold Out |
| Total Postitions | 668 | +2.61% | 100M | -0.61% |
| Vanguard Group Inc | $1.08M | 10.47% | 12.04M | -432,387 | -3.47% | 2025-09-30 |
| Blackrock, Inc. | $960,475.00 | 9.29% | 10.68M | -84,847 | -0.79% | 2025-09-30 |
| State Farm Mutual Automobile Insurance Co | $822,196.00 | 7.95% | 9.14M | 0 | 0% | 2025-09-30 |
| State Street Corp | $454,099.00 | 4.39% | 5.05M | -172,338 | -3.3% | 2025-09-30 |
| Fmr Llc | $370,865.00 | 3.59% | 4.12M | +13,839 | +0.34% | 2025-09-30 |
| Kayne Anderson Rudnick Investment Management Llc | $287,778.00 | 2.78% | 3.2M | -77,569 | -2.37% | 2025-09-30 |
| Geode Capital Management, Llc | $254,550.00 | 2.46% | 2.83M | +9,425 | +0.33% | 2025-09-30 |
| Boston Trust Walden Corp | $243,056.00 | 2.35% | 2.7M | -123,191 | -4.36% | 2025-09-30 |
| Morgan Stanley | $224,385.00 | 2.17% | 2.5M | +401,720 | +19.19% | 2025-09-30 |
| Fiduciary Management Inc /Wi/ | $222,631.00 | 2.15% | 2.48M | -13,321 | -0.54% | 2025-09-30 |