DCI insider trading
NYSE IndustrialsDONALDSON Co INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About DONALDSON Co INC
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 applications and ground defense vehicle and naval platforms. This segment sells its products to various distributors, OEMs, and end-users. 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.
Company website: www.donaldson.com
DCI insider activity at a glance
FilingIQ has scored 983 insider transactions for DCI since Jan 14, 2015. The most recent filing in our index is dated Apr 14, 2026.
Across the full history, 4 open-market purchases
and 112 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on DCI insider trades is 65.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest DCI Form 4 filings
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Frequently asked
- How many insider trades does FilingIQ track for DCI?
- FilingIQ tracks 983 Form 4 insider transactions for DCI (DONALDSON Co INC), covering filings from Jan 14, 2015 onwards. 23 of those were filed in the last 90 days.
- Are DCI insiders net buyers or net sellers?
- Across the full Form 4 history for DCI, 4 transactions (0%) were open-market purchases and 112 (11%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does DCI insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is DCI in?
- DONALDSON Co INC (DCI) is classified in the Industrials sector, specifically Specialty Industrial Machinery, with a current market capitalisation of $12.44B.
Methodology & sources
Every DCI insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.