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DCINYSE
DONALDSON Co INC
Industrial & Commercial Fans & Blowers & Air Purifing Equip · DE · CIK 29644
DONALDSON Co INC provides technology-led filtration products and solutions for diverse industries and advanced markets
$10.01B
Market cap
$88.40
Last close
-0.1%
1D
+2.9%
5D
758K
Volume
Price · last 39 sessions+3.8%
May 4L $81.55 · H $89.11Jun 29
169
Total filings
Jun 18, 2026
Last filing
07/31
Fiscal year end
11-K11-KJun 18, 202610-Q10-QJun 2, 20268-KResults of OperationsJun 2, 20268-KMaterial Agreement · New Debt / ObligationApr 10, 202610-Q10-QFeb 26, 20268-KResults of OperationsFeb 26, 20268-KMaterial Agreement · Reg FD DisclosureFeb 2, 20268-KExecutive Change · Reg FD DisclosureJan 29, 202610-Q10-QDec 4, 20258-KResults of OperationsDec 4, 20258-KShareholder VoteNov 24, 2025DEFA14ADEFA14AOct 6, 2025DEF 14ADEF 14AOct 6, 202510-K10-KSep 26, 20258-KResults of OperationsAug 27, 20258-KMaterial Agreement · New Debt / ObligationJun 17, 202511-K11-KJun 5, 202510-Q10-QJun 3, 20258-KExecutive Change · Results of OperationsJun 3, 20258-KExecutive ChangeMay 15, 202510-Q10-QMar 4, 20258-KResults of OperationsFeb 27, 202510-Q10-QDec 6, 20248-KResults of OperationsDec 3, 20248-KShareholder VoteNov 26, 20248-KExecutive Change · Reg FD DisclosureOct 29, 2024DEFA14ADEFA14AOct 2, 2024DEF 14ADEF 14AOct 2, 202410-K10-KSep 27, 20248-KResults of OperationsAug 28, 202411-K11-KJun 26, 20248-KExecutive Change · Reg FD DisclosureJun 24, 202410-Q10-QJun 4, 20248-KResults of OperationsJun 4, 202410-Q10-QMar 4, 20248-KResults of OperationsFeb 28, 202410-Q10-QDec 6, 20238-KResults of OperationsNov 29, 20238-K/AExecutive Change · Shareholder VoteNov 22, 20238-KShareholder VoteNov 21, 2023DEFA14ADEFA14AOct 3, 2023DEF 14ADEF 14AOct 3, 20238-KBylaw AmendmentSep 28, 202310-K10-KSep 22, 20238-KResults of OperationsAug 29, 20238-KBylaw AmendmentJul 28, 202310-Q10-QJun 5, 20238-KResults of OperationsMay 31, 202311-K11-KMay 24, 202310-Q10-QMar 8, 20238-KResults of OperationsMar 1, 20238-KExecutive ChangeJan 31, 20238-KReg FD DisclosureJan 25, 202310-Q10-QDec 7, 20228-KResults of OperationsNov 30, 20228-KShareholder VoteNov 21, 2022DEFA14ADEFA14AOct 4, 2022DEF 14ADEF 14AOct 4, 20228-KExecutive ChangeOct 4, 202210-K10-KSep 23, 20228-KResults of OperationsAug 31, 202210-Q10-QJun 6, 20228-KResults of OperationsJun 1, 202211-K11-KMay 20, 20228-KExecutive ChangeMar 30, 202210-Q10-QMar 3, 20228-KResults of OperationsMar 2, 20228-KExecutive ChangeJan 27, 20228-KExecutive ChangeDec 15, 202110-Q10-QDec 8, 20218-KResults of OperationsDec 1, 20218-KShareholder VoteNov 22, 2021DEFA14ADEFA14AOct 6, 2021DEF 14ADEF 14AOct 6, 202110-K10-KSep 24, 20218-KResults of OperationsSep 2, 202110-Q10-QJun 7, 20218-KResults of OperationsJun 2, 20218-KMaterial Agreement · New Debt / ObligationMay 26, 202111-K11-KMay 7, 2021
Insider Activity
In the 90 days to Mar 26, 2026: 1 sold $1.8M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 26, 2026 | Briseno GuillermoPresident | Sell | 12,000 | $84.97 | $1.0M |
| Mar 26, 2026 | Briseno GuillermoPresident | Sell | 8,600 | $84.97 | $731K |
| Dec 9, 2025 | Pogalz Bradley J.Chief Financial Officer | Sell | 566 | $91.57 | $52K |
| Dec 5, 2025 | Rajendra Ajita GDirector | Sell | 13,200 | $92.04 | $1.2M |
| Dec 5, 2025 | Rajendra Ajita GDirector | Sell | 6,600 | $92.04 | $607K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
What Changed
Risk factors · Sep 27, 2024 → Sep 26, 202512 added · 7 removed between the two most recent 10-Ks. The risks a company starts — or stops — disclosing are often the story.
Newly disclosed
- Any new, substantial tariff increases on imports to the United States from Mexico, China and the European Union (EU), should they be implemented and sustained for an extended period of time, could have a material adverse effect on our business and our supply chain.
- Regulatory litigation or actions that could impose significant penalties may be brought against us in the event of a breach of data or alleged non-compliance with such laws and regulations.
- Steps taken by governments to consider applying additional or new tariffs have the potential to disrupt existing supply chains, impose additional costs on our business, and could lead to other countries attempting to retaliate by imposing tariffs, which would make our products more expensive for customers, and, in turn, could make our products less competitive.
- Certain unexpected events could adversely impact our business, results of operations, financial condition and cash flows. 11 Operational Risks Supply Chain - unavailable raw materials, significant demand fluctuations and material cost changes could have an impa ct on our sales and cost of sales.
- In addition, we may not be able to maintain our insurance at a reasonable cost or in sufficient amounts to protect us against any losses. 14 Financial Risks Currency - an unfavorable fluctuation in foreign currency exchange rates could impact our results of operations.
- Changes in international trade policy could result in an adverse effect on our results of operations, financial condition and cash flows due to the international footprint of our Company.
- Information technology security threats are increasing in frequency and sophistication; to date, none of the threats faced by the Company have been material.
- Tariffs - costs associated with complying with potential new or incremental tariffs could negatively affect our business and results of operations.
- Personnel - our success has been and could in the future be affected, if we are not able to attract, engage, train and retain qualified personnel.
- Liquidity - changes in the capital and credit markets may negatively affect our ability to access financing to support strategic initiatives.
- Any additional tariffs in the United States or retaliatory tariffs imposed by other governments could exacerbate the impact.
- Customer Concentration and Retention - a number of our customers operate in similar cyclical industries.
No longer disclosed
- Regulatory litigation or actions that could impose significant penalties may be brought against us in the event of a breach of data or alleged non-compliance with such laws and regulations. 12 Information technology security threats are increasing in frequency and sophistication; to date, none of the threats faced by the Company have been material.
- Operational Risks Supply Chain - unavailable raw materials, significant demand fluctuations and material cost changes could have an impa ct on our sales and cost of sales.
- In addition, we may not be able to maintain our insurance at a reasonable cost or in sufficient amounts to protect us against any losses.
- Financial Risks Currency - an unfavorable fluctuation in foreign currency exchange rates could impact our results of operations.
- Certain unexpected events could adversely impact our business, results of operations, financial condition and cash flows.
- Cybersecurity Risks Cybersecurity Risks - vulnerability of our information technology systems and security.
- Competition - we participate in highly competitive markets with pricing pressure.
In the News
Coverage (30d): 2 reputable articles · skews ▲ positive.
MorningstarDonaldson Earnings: Solid Growth in Life Sciences and Mobile Solutions26d agoMorningstarDonaldson Looks to Spur Profitable Growth Through Investments in New Life Sciences Segment26d ago
Reputable outlets only (Reuters, WSJ, CNBC, Barron's, and peers). More on Google News ↗
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