Donaldson Inc SEC Filings

Bart C. Driesen, listed as President and an officer of Donaldson Co., Inc. (DCI), reported a transaction dated 10/01/2025 showing two changes in his holdings. He disposed of 5,161 shares of common stock, reducing his non‑derivative holdings, and acquired 15,300 employee stock options with an exercise price of $82.08. The options are exercisable immediately as reported, expire on 10/01/2035, and the filing states the options vest in three equal annual installments beginning on 10/01/2026. The reported ownership after the transactions shows 15,300 underlying shares from the option award held directly.

Reporting person Darcy J. DeVincke, Chief Human Resources Officer of Donaldson Co. Inc. (DCI), reported transactions dated 10/01/2025. The report shows an indirect holding of 3,863 shares of Common Stock held indirectly through a Benefit Plan Trust. It also discloses an employee stock option grant for 11,500 shares with an exercise price of $82.08, granted 10/01/2025, exercisable beginning 10/01/2026 and expiring 10/01/2035. The option vests in three equal annual installments starting on 10/01/2026. The Form 4 was signed by an attorney-in-fact and filed on 10/03/2025.

Guillermo Briseno, an officer (President) of DONALDSON Co Inc (DCI), reported transactions dated 10/01/2025. The filing shows a disposition of 29,244 shares of common stock and the acquisition/exercise of 15,300 employee stock options with an exercise price of $82.08. The options convert to 15,300 common shares and are recorded as directly owned; the option grant vests in three equal annual installments beginning 10/01/2026. The Form 4 was signed on 10/03/2025 by an attorney-in-fact.

Andrew J. Cebulla, Corporate Controller of DONALDSON Co INC (DCI), reported changes in ownership on a Form 4. The filing shows a grant of an employee stock option for 5,186 shares with an exercise price of $82.08 and an exercise/expiration window listed through 10/01/2035. The option was granted on 10/01/2025 and the filing notes it vests in three equal annual installments beginning 10/01/2026. After the reported transactions the reporter beneficially owns 5,186 underlying shares via the option reported as direct ownership. The form also records a disposition of 1,644 shares and an indirect holding of 287 shares held by benefit plan trust. The filing is signed on behalf of Mr. Cebulla by an attorney-in-fact on 10/03/2025.

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.