Welcome to our dedicated page for Donaldson SEC filings (Ticker: DCI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. Securities and Exchange Commission (SEC) filings for Donaldson Company, Inc. (NYSE: DCI), a global manufacturer of technology-led filtration products and solutions. Through these documents, investors can review how Donaldson reports its financial performance, governance practices and material events across its Mobile Solutions, Industrial Solutions and Life Sciences segments.
Key filings include Form 10-K annual reports, where Donaldson presents audited financial statements, segment information, risk factors and management’s discussion and analysis for its fiscal year. Form 10-Q quarterly reports offer interim updates on net sales, operating income, margins, cash flows and segment trends, including details on off-road, on-road, aftermarket, industrial filtration, aerospace and defense, and life sciences activities.
Donaldson also files Form 8-K current reports to disclose material events. Recent 8-K filings reference the release of quarterly earnings results and the outcomes of the annual meeting of stockholders, including voting results on director elections, advisory votes on executive compensation and ratification of the independent registered public accounting firm. The company’s DEF 14A definitive proxy statement provides further detail on corporate governance, board structure, executive compensation programs and stockholder proposals.
Investors interested in ownership changes and executive activity can monitor Form 4 insider transaction reports, which disclose purchases, sales and other changes in beneficial ownership by directors and officers. Together, these filings form a detailed regulatory record of Donaldson’s operations, capital allocation, governance and leadership incentives.
On Stock Titan, Donaldson’s filings are updated in near real time from the SEC’s EDGAR system. AI-powered summaries help explain complex sections of lengthy documents such as 10-Ks, 10-Qs and proxy statements, highlighting items like segment performance, margin drivers, capital spending, dividend and repurchase activity, and governance decisions. This allows readers to quickly understand the key points in Donaldson’s regulatory disclosures while retaining access to the full original filings for deeper analysis.
Tod E. Carpenter, who serves as Chairman, President and CEO of Donaldson Co., Inc. (DCI), reported Section 16 transactions with an effective date of 10/01/2025 and a filing date of 10/03/2025. The Form 4 shows an acquisition of 122,600 employee stock options with an exercise price of $82.08 that are exercisable beginning 10/01/2026 and expire 10/01/2035; the option vests in three equal annual installments starting on 10/01/2026. The filing also discloses a disposition of 298,699 shares of common stock and indirect beneficial ownership of 11,079 and 11,815 shares held through a Benefit Plan Trust. The report was submitted by Amy C. Becker as attorney-in-fact for Mr. Carpenter.
Amy C. Becker, Chief Legal Officer of DONALDSON Co INC (DCI), reported multiple equity transactions dated 10/01/2025. The filing shows 17,000 employee stock options with an exercise price of $82.08 were acquired (reported as Code A) and are recorded as 17,000 shares underlying the option. The option grant note states it vests in three equal annual installments beginning October 1, 2026. Separately, the report shows transfer activity through a benefit plan trust: 1,564 and 8,552 shares are listed as acquired indirectly (Code V) and 47,459 shares are shown as disposed. The form is signed and dated 10/03/2025.
Bart C. Driesen filed an Initial Form 3 reporting ownership in Donaldson Company, Inc. (DCI). He directly owns 5,161 shares of common stock and holds a series of employee stock options exercisable between 09/22/2027 and 10/01/2034 covering 65,200 underlying shares in total. Exercise prices range from $45.43 to $73.17. Several option grants have vesting schedules noted in the filing.
Richard B. Lewis, President of DONALDSON Co Inc (DCI), reported changes in beneficial ownership on 09/25/2025. The filing shows indirect holdings of 832 and 3,866 shares held by a benefit plan trust. On 09/25/2025 the reporting person recorded an acquisition of 5,942 common shares (price shown as $0) and a separate disposition of 140 common shares at $80.04. Following the reported transactions the filing lists direct beneficial ownership balances of 39,919 and 39,779 shares in successive lines, reflecting the net holdings reported after each transaction.
Tod E. Carpenter, Chairman, President and CEO of DONALDSON Co Inc (DCI), reported insider transactions dated 09/25/2025. The filing shows vested/benefit-plan holdings of 11,079 and 11,815 shares held indirectly in benefit plan trusts. On 09/25/2025 he acquired 36,296 shares (reported at $0) and disposed of 17,858 shares at $80.04. The filing lists beneficial ownership figures of 316,557 and 298,699 shares following the reported transactions.
Guillermo Briseno, listed as President of Donaldson Co Inc (DCI), reported a transaction on 09/25/2025. The Form 4 shows he acquired 3,935 shares of common stock, bringing his total beneficial ownership to 29,244 shares. The reported price is listed as $0. The filing was submitted by Amy C. Becker as Attorney-in-Fact and is a single-person Form 4 submission.
Amy C. Becker, Chief Legal Officer of Donaldson Company, reported multiple transactions in DCI stock on 09/25/2025. The Form 4 shows an acquisition of 5,541 shares (reported at $0) and a separate disposition of 2,727 shares at $80.04. After the transactions the filing reports 47,459 shares beneficially owned. The filing also lists indirect holdings of 8,552 and 1,564 shares held by a benefit plan trust. The document is a routine insider transaction report from a company officer.
Donaldson Company, Inc. reports a diversified global filtration business with four regional splits: U.S./Canada 44.2%, EMEA 27.8%, APAC 17.2% and LATAM 10.8%. The company emphasizes three strategic priorities: extend market access, expand technologies and pursue strategic acquisitions. As of Jan 31, 2025, non-affiliate market value was $8,462,489,351 and 115,907,357 shares were outstanding as of Sep 12, 2025. Fiscal 2025 R&D spending was $87.8 million (2.4% of net sales). Backlog within 90 days declined to $552.2 million from $574.7 million. The company recorded $62.0 million of intangible impairment in FY2025 related to bioprocessing ($46.6M Univercells, $15.4M Solaris). During FY2025 it repurchased 4.9 million shares for $333.6 million and maintained a $600 million revolving credit facility with additional accordion capacity.
Guillermo Briseno, identified as an officer (President), reported transactions in Donaldson Company, Inc. (DCI) on 09/03/2025. He exercised 13,500 employee stock options with an exercise price of $28.00, producing 13,500 shares, and simultaneously sold 13,500 common shares at $79.03 per share. After these transactions the filing shows 25,309 shares beneficially owned directly.
The Form 4 notes the options were fully vested and lists an attorney-in-fact signature by Amy C. Becker dated 09/04/2025. The report is a single-person filing and discloses both the non-derivative share sale and the derivative exercise that generated the sold shares.
Form 144 notice for proposed sale of 13,500 common shares valued at $1,066,871.25. The filing states the shares will be sold through Morgan Stanley Smith Barney LLC on the NYSE around 09/03/2025. The shares were acquired on 09/03/2025 by exercise of options under a registered plan and payment was in cash.
Certain identifying details are not provided in the document text supplied: the filer name/CIK and the issuer name/address fields are blank in the extract. The filer represents they are not aware of undisclosed material adverse information and certifies the accuracy of the notice by signature. No securities were reported sold by the filer during the past three months in this filing.