Here are the Form 4 insider transactions from Donaldson Company, Inc. (DCI) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow DCI and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full DCI filings page.
Donaldson Company (DCI) director Jacinth C. Smiley acquired 268 common shares as a grant or award on October 2, 2026, bringing her directly held position to 8,540 shares.
Donaldson Co. director Trudy A. Rautio received a direct award of 336 common shares on October 2, 2026, at a reported price of $88.65 per share. Her reported direct holdings after the award were 28,541 shares.
Donaldson Co Inc. director James Owens acquired 268 shares of common stock through a grant or award on October 2, 2026. The transaction lists a price of 88.6500 per share. His direct holdings following the transaction were 23,261 shares; the transaction was an award-related acquisition rather than a market purchase.
Donaldson Co. Inc. director Christopher M. Hilger acquired 402 shares of common stock in a grant or award transaction on October 2, 2026. The reported per-share amount was $88.65. His direct holdings after the transaction were 16,692 shares. The transaction is reported as a grant or award, rather than a purchase or sale.
Donaldson Co Inc (DCI) Chief Financial Officer Bradley J. Pogalz received an award of 24,100 employee stock options on October 1, 2026, covering 24,100 shares of common stock at an exercise price of $87.76 per share. The options vest in three equal annual installments beginning October 1, 2027, and expire October 1, 2036. Same-date common-stock holdings listed 1,305 shares directly and indirect holdings of 48 and 893 shares, each described as held by a Benefit Plan Trust.
Donaldson Co. (DCI) reported that President Richard Brent Lewis was granted 84,200 employee stock options on October 1, 2026, with an exercise price of $87.76 per share and an expiration date of October 1, 2036. The options vest in three equal annual installments beginning October 1, 2027. His reported common-stock holdings on that date included 50,817 shares directly and indirect Benefit Plan Trust holdings of 844 and 2,110 shares.
Donaldson Co. (DCI) President Bart C. Driesen was granted employee stock options covering 12,800 common shares on October 1, 2026, at an exercise price of $87.76 per share. The options vest in three equal annual installments beginning October 1, 2027, and expire October 1, 2036. Separately, his reported direct common-stock position was 11,916 shares.
Donaldson Co Inc reported that Chief Human Resources Officer Darcy J. DeVincke received a grant of 10,400 employee stock options on October 1, 2026, with an exercise price of $87.76 per share. The options vest in three equal annual installments beginning October 1, 2027, and expire October 1, 2036. DeVincke’s reported option position after the grant was 10,400 options; separately, 3,994 common shares were held indirectly through the Benefit Plan Trust as of October 1, 2026.
Donaldson Company, Inc. (DCI) reported that Corporate Controller Andrew J. Cebulla was granted 4,624 employee stock options on October 1, 2026, with an exercise price of $87.76 per share. The reported option position after the award was 4,624. As of October 1, 2026, Cebulla also reported 1,667 common shares held directly and 380 common shares held indirectly through a Benefit Plan Trust.
Donaldson Company, Inc. Chief Legal Officer Amy C. Becker received an award of 14,800 employee stock options on October 1, 2026, with an exercise price of $87.76 and an expiration date of October 1, 2036. The options vest in three equal annual installments beginning October 1, 2027. Her reported holdings include 50,503 common shares held directly and indirect holdings through a Benefit Plan Trust of 1,586 and 8,748 common shares.
Donaldson Company, Inc. (DCI) President Richard Brent Lewis received a grant of 6,340 common shares on September 24, 2026, at $0 per share. On the same date, 149 shares were delivered or withheld for payment of exercise price or tax liability, reported at $86.60 per share. The reported holdings also include indirect common stock held through Benefit Plan Trusts: 844 shares and 2,110 shares, each dated September 24, 2026.
Donaldson Co. Inc. President Bart C. Driesen acquired 4,465 shares of common stock through a grant or award on September 24, 2026. On the same date, 2,661 shares were delivered or withheld for payment of exercise price or tax liability. The reported price for that transaction was $86.60 per share.
Donaldson Co Inc Chairman, President and CEO Tod E. Carpenter acquired 38,131 common shares as a grant or award on September 24, 2026. On that date, 18,761 shares were delivered or withheld for payment of exercise price or tax liability, at a reported price of $86.60 per share. No Rule 10b5-1 plan is reported. The filing also lists indirect holdings through Benefit Plan Trusts of 11,303 and 11,978 common shares.
Donaldson Co. (DCI) Chief Legal Officer Amy C. Becker reported a grant/award acquisition of 5,983 common shares on September 24, 2026. On that date, 2,944 shares were delivered or withheld for payment of exercise price or tax liability; the reported price was $86.60 per share. Both transaction entries concern directly held common stock.
DONALDSON Co INC (DCI) reports that Chairman, President and CEO Tod E. Carpenter on September 4, 2026 exercised employee stock options for 31,968 shares of common stock at an exercise price of $42.72 per share, then sold 31,968 common shares at $91.10 per share. The options exercised were fully vested, and following the exercise Carpenter holds 131,500 options directly. He also holds common stock indirectly through benefit plan trusts, with reported positions of 11,303 and 11,978 shares. No transactions are reported as made under a Rule 10b5-1 trading plan.
Donaldson Co Inc (DCI) reported insider activity by Chairman, President and CEO Tod E. Carpenter on 2026-08-31. Carpenter exercised 3,032 employee stock options at an exercise price of $42.72 per share, receiving 3,032 shares of common stock, and then sold 3,032 shares of common stock at $91.00 per share. After the option exercise, he held 163,468 employee stock options directly, and also had indirect ownership of 11,303 and 11,978 common shares through benefit plan trusts.
DONALDSON Co INC (DCI) reported that Chief Financial Officer Bradley J. Pogalz exercised employee stock options for 3,000 shares at an exercise price of $42.72 per share, receiving 3,000 shares of common stock. On the same date, 2,129 shares of common stock were delivered or withheld at $91.84 per share for payment of exercise price or tax liability, resulting in a net acquisition of 871 shares. The exercised option position is now fully vested and exhausted, and he also reports indirect holdings of 47 and 888 shares of common stock held by a Benefit Plan Trust.
Smiley Jacinth C reported acquisition or exercise transactions in this Form 4 filing.
Donaldson Company director Jacinth C. Smiley received a grant of 267 shares of Donaldson common stock on July 3, 2026, at a reference price of $89.09 per share. This was recorded as a compensation-related award rather than an open-market purchase.
Following this grant, Smiley directly holds a total of 8,243 Donaldson common shares. The filing reflects a routine equity award that increases the director’s ownership stake and more closely aligns compensation with shareholder interests.
Rautio Trudy A. reported acquisition or exercise transactions in this Form 4 filing.
Donaldson Company director Trudy A. Rautio received a stock grant of 334 shares of Common Stock, valued at $89.09 per share. This was a compensation-related award, not an open-market purchase. After the grant, she directly owns 28,106 shares of Donaldson Common Stock.
Owens James reported acquisition or exercise transactions in this Form 4 filing.
Donaldson Co. director James Owens received a grant of 267 shares of Common Stock at $89.09 per share. This compensation-related award increased his direct holdings to 22,913 shares, reflecting a routine equity grant rather than an open‑market purchase or sale.
Donaldson Co. Inc. director Christopher M. Hilger reported a stock award of 400 shares of common stock, valued at $89.09 per share. This was a grant classified as a “grant, award, or other acquisition,” not an open-market purchase. After this award, Hilger directly holds 16,244 common shares of Donaldson.
Donaldson Company director James Owens exercised stock options and sold the resulting shares in a series of routine transactions. He exercised options for a total of 19,800 shares of common stock at exercise prices of $42.26 and $48.96 per share, then sold 19,800 shares in open-market trades at prices around $89 per share. After these transactions, he directly holds 22,565 shares of Donaldson common stock.
Smiley Jacinth C reported acquisition or exercise transactions in this Form 4 filing.
Donaldson Co. director Jacinth C. Smiley received a stock grant of 279 shares of Common Stock. The shares were awarded at a value of $85.23 per share and are reported as a non-derivative, direct ownership transaction. Following this award, Smiley directly holds 7,948 shares of Donaldson Common Stock, indicating a routine compensation-related increase rather than an open-market purchase or sale.
Donaldson Co Inc director Trudy A. Rautio received a grant of 349 shares of Common Stock at $85.23 per share. This compensation-related award increased her direct holdings to 27,673 shares. The transaction is an acquisition through a grant, not an open-market purchase.
Owens James reported acquisition or exercise transactions in this Form 4 filing.
Donaldson Company director James Owens received a grant of 279 shares of Common Stock, recorded at $85.23 per share, as equity compensation. This award increased his directly held stake to 22,565 shares, reflecting a routine, non-derivative grant rather than an open-market purchase or sale.
Hilger Christopher M. reported acquisition or exercise transactions in this Form 4 filing.
Donaldson Co. director Christopher M. Hilger received a grant of 418 shares of Common Stock. The award was recorded on April 3, 2026 at an indicated price of $85.23 per share, increasing his direct holdings to 15,799 shares. This is a compensation-related share award, not an open‑market purchase.
Donaldson Co. president Guillermo Briseño reported an exercise-and-sell transaction involving 20,600 shares of common stock. On March 26, 2026, he exercised fully vested employee stock options for 12,000 shares at $42.72 per share and 8,600 shares at $45.43 per share.
He then sold 12,000 and 8,600 common shares, respectively, at $84.97 per share in open-market transactions. Following these trades, Briseño directly holds 29,267 shares of Donaldson common stock, indicating he retained a meaningful equity stake after converting options and realizing gains on part of his position.
Donaldson Company President Richard Brent Lewis reported receiving an employee stock option grant to buy 15,500 shares of common stock at an exercise price of $0.00 per share. The option vests in three equal annual installments beginning on March 2, 2027, providing long-term equity-based compensation.
He also reported beneficial ownership of 44,454 shares of common stock directly, plus 838 and 2,039 shares held indirectly through a benefit plan trust, reflecting his existing equity stake but not indicating additional open-market buying or selling.
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.
Donaldson Company director reports new stock and option awards. Director Daniel P. Shine acquired 100 shares of Donaldson Company common stock on December 8, 2025, reported at a price of $0, bringing his directly held common shares to 100 after the transaction. On the same date, he was also granted a stock option to buy 200 shares of common stock at an exercise price of $91.76 per share, expiring on December 8, 2035.
The option vests in three equal annual installments beginning on December 8, 2026, meaning the right to exercise is spread over three years. Following these awards, Shine directly holds 200 stock options in addition to the 100 common shares.
Donaldson Company’s chief financial officer reported routine equity transactions in company stock. On 12/09/2025, the officer exercised 1,000 employee stock options at an exercise price of $28 per share, receiving an equal number of common shares. That same day, the officer sold 566 shares of Donaldson common stock at a price of $91.57 per share.
Following these transactions, the officer directly owned 434 shares of Donaldson common stock and also held additional shares indirectly through a benefit plan trust, as noted in the filing. The filing is a standard Form 4, which discloses changes in ownership by company insiders so investors can see how key executives are managing their personal stakes.
Donaldson Company director reports stock option exercises and sales
On 12/05/2025, a director of Donaldson Company (DCI) exercised stock options and sold an equivalent number of common shares. The director exercised 13,200 options at an exercise price of $42.26 per share and 6,600 options at $48.96 per share, receiving common stock in each case. On the same date, the director sold 13,200 shares and 6,600 shares of common stock at a sale price of $92.04 per share.
After these transactions, the director directly owned 43,993 shares of Donaldson common stock. The stock options exercised, covering 19,800 underlying shares in total, were described as fully vested, and the remaining balance for those specific option grants is now reported as zero.