Figures computed from official regulatory filings — .
Analysttarget 100.4 USD (+13%) · consensus 3.38/5 · 2 buy · 5 hold · 1 sell
Ownershipinsiders 0.6% · institutions 92.72% · short 3.1% of float
In USD · as of Oct 5, 2026
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Donaldson Company, Inc. manufactures and sells filtration systems and replacement parts worldwide. The company operates through Mobile Solutions, Industrial Solutions, and Life Sciences segments. The Mobile Solutions segment provides replacement filters for air and liquid filtration applications, such as air filtration systems, fuel, lube and hydraulic systems, emissions systems and sensors, indicators, and monitoring systems. This segment sells its products to original equipment manufacturers (OEMs) in the construction, mining, agriculture, and transportation markets; and to independent distributors, and OEM dealer networks. The Industrial Solutions segment offers dust, fume, and mist collectors; compressed air and industrial gasses purification systems; air inlet systems and filtration for power generation; ancillary components; replacement parts; performance monitoring and service; and hydraulic and lubricated rotating equipment applications, as well as gas and liquid filtration for industrial processes and connected services. It also sells aerospace and defense products comprising of air, fuel, lubrication and hydraulic filtration for fixed-wing and rotorcraft aerospace platforms, missile systems, and ground defense vehicles and naval platforms. This segment sells its products to various distributors, OEMs, and direct-to-consumer. The Life Sciences segment provides micro-environment gas and liquid filtration for food, beverage, and industrial processes; bioprocessing equipment that includes bioreactors and fermenters; and bioprocessing consumables, such as chromatography devices, reagents and filters, and polytetrafluoroethylene membrane-based products, as well as specialized air and gas filtration systems for applications, including hard disk drives, semi-conductor manufacturing and sensors, battery systems, and powertrain components to OEMs and various end-users. The company was founded in 1915 and is headquartered in Bloomington, Minnesota.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
11 buys296 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Driesen Bart C. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lewis Richard Brent | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| CEBULLA ANDREW J. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Becker Amy C | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| DeVincke Darcy J | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Pogalz Bradley J. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| RAUTIO TRUDY A | Award | $29.8K | SEC |
| Smiley Jacinth C | Award | $23.8K | SEC |
| Hilger Christopher M. | Award | $35.6K | SEC |
| Owens Jamestrack record | Award | $23.8K | SEC |
| Becker Amy C | Other | $255K | SEC |
| Driesen Bart C. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Driesen Bart C. | Other | $230.4K | SEC |
| Carpenter Tod E. | Other | $1.6M | SEC |
| Becker Amy C | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lewis Richard Brent | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lewis Richard Brent | Other | $12.9K | SEC |
| Carpenter Tod E. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Carpenter Tod E. | Sell | $2.9M | SEC |
| Carpenter Tod E. | Exercise | $1.4M | SEC |
| Carpenter Tod E. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Carpenter Tod E. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Carpenter Tod E. | Exercise | $129.5K | SEC |
| Carpenter Tod E. | Sell | $275.9K | SEC |
| Pogalz Bradley J. | Other | $195.5K | SEC |