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.
Donaldson Company director reports new stock and option awards. Director Jacinth C. Smiley acquired 900 shares of Donaldson common stock on 01/02/2026 at a reported price of $0, and an additional 250 shares on the same date at $89.93 per share. After these transactions, she directly holds 7,644 shares of common stock.
On 01/02/2026, she was also granted a stock option to buy 3,000 shares of Donaldson common stock at an exercise price of $89.93 per share, expiring on 01/02/2036. The option vests in three equal annual installments beginning on January 2, 2027, reflecting a long-term incentive structure tied to the company’s equity.
Donaldson Company director reports new stock and option awards. On 01/02/2026, the reporting person acquired 900 shares of Donaldson common stock at a stated price of $0, bringing directly held common shares to 1,000.
The same day, the director received a stock option to buy 3,000 shares of Donaldson common stock at an exercise price of $89.93 per share. The option expires on 01/02/2036 and will vest in three equal annual installments beginning on January 2, 2027.
Donaldson Company director Trudy Rautio reported acquiring additional company equity. On January 2, 2026, she acquired 900 shares of common stock at a stated price of $0 per share and 311 shares of common stock at $89.93 per share. After these transactions, she beneficially owned 27,235 shares of Donaldson common stock held directly. The same day, she was also granted a stock option for 3,000 shares of Donaldson common stock at an exercise price of $89.93 per share, expiring on January 2, 2036. The option vests in three equal annual installments beginning January 2, 2027.
Donaldson Company director equity update: A director of Donaldson Co Inc (DCI) reported new equity awards effective 01/02/2026. The filing shows an acquisition of 900 shares of common stock at a reported price of $0, bringing the director’s directly held common stock to 44,997 shares. The director also received a stock option covering 3,000 shares with an exercise price of $89.93 per share, expiring on 01/02/2036. The option vests in three equal annual installments beginning on January 2, 2027, which spreads the potential ownership increase over several years.
Donaldson Company director James J. Owens reported new equity awards and share acquisitions. On January 2, 2026, he acquired 900 shares of Donaldson common stock at a reported price of $0 per share and an additional 250 shares at $89.93 per share. Following these transactions, he directly beneficially owned 22,215 shares of common stock.
Owens also received a stock option giving him the right to buy 3,000 Donaldson shares at an exercise price of $89.93 per share, expiring on January 2, 2036. The option vests in three equal annual installments beginning on January 2, 2027, which means the right to exercise the option phases in over three years.
Donaldson Company director Richard M. Olson reported new equity awards in the company’s stock. On January 2, 2026, he acquired 900 shares of common stock at a price of $0, bringing his directly held stake to 6,090 shares after the transaction.
On the same date, Olson also received a stock option grant for 3,000 shares with an exercise price of $89.93 per share, expiring on January 2, 2036. The option vests in three equal annual installments beginning January 2, 2027, meaning the right to buy these shares becomes available gradually over three years.
Donaldson Co Inc director reports stock and option awards
A director of Donaldson Co Inc reported receiving 900 shares of common stock on 01/02/2026 at a stated price of $0. After this transaction, the director beneficially owns 2,473 common shares directly and 12,592 common shares indirectly through a trust where the director and spouse serve as trustees and beneficiaries.
The director was also granted a stock option to buy 3,000 shares of common stock at an exercise price of $89.93 per share on 01/02/2026. This option expires on 01/02/2036 and vests in three equal annual installments beginning January 2, 2027. All reported holdings are listed as beneficially owned following these awards.
Donaldson Company director insider transactions disclosed
Director Christopher M. Hilger reported acquiring Donaldson Company common stock and stock options on January 2, 2026. He acquired 375 shares of common stock at $89.93 per share and 900 shares at $0, and held 15,342 shares directly after these transactions.
Hilger was also granted a stock option for 3,000 shares of common stock at an exercise price of $89.93 per share, expiring on January 2, 2036. The option vests in three equal annual installments beginning on January 2, 2027, and he held 3,000 derivative securities directly after the reported transaction.
Donaldson Company director reports stock and option awards
A director of Donaldson Co Inc reported receiving 900 shares of common stock on January 2, 2026 at a stated price of $0, bringing the director's directly held stake to 16,747 common shares. On the same date, the director was granted a stock option for 3,000 shares of common stock with an exercise price of $89.93 per share and no separate option purchase price.
The option covers 3,000 underlying common shares, becomes exercisable in three equal annual installments starting January 2, 2027, and carries an expiration date of January 2, 2036. All reported holdings and awards are listed as directly owned by the reporting person.
An insider of issuer DCI has filed to sell common shares under Rule 144. The notice covers the planned sale of 11,000 common shares through Morgan Stanley Smith Barney LLC on or about 01/02/2026 on the NYSE, with an aggregate market value of 988,049.70. The shares were acquired on 01/02/2026 by exercising options under a registered plan, with cash payment made on 12/30/2025. The issuer reports 115,336,687 shares of this class outstanding.