Donaldson Company (DCI)President sold ~$1.02M

~$1.02M

Approx. value · 12K sh @ $84.97

29K

Holds after · shares reported

Traded

Mar 26, 2026

Filed

Mar 27, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jan 28, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On January 29, 2026, Donaldson Company, Inc. (the “Company”) announced the appointment of Richard B. Lewis as the Company’s President and Chief Executive Officer, effective March 2, 2026.”
2. Jan 31, 2026Company filing · Form 8-K · Material agreement, Reg FDSigned an important agreement, and shared information with investors
3. Feb 26, 2026Company filing · Form 8-K · ResultsReported its results
4. Mar 26, 2026 · this disclosureInsiderOfficer sold ~$1.02M of DCI shares in the open market

What came next

1. Mar 26, 2026InsiderOfficer sold ~$731K of DCI shares in the open market
2. Apr 8, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
3. Apr 10, 2026InsiderDirector sold ~$11K of DCI shares in the open market
4. Apr 13, 2026InsiderDirector sold ~$527K of DCI shares in the open market
5. Apr 14, 2026Insider · 1 personInsiders: 2 sales (~$1.2M)
6. Jun 2, 2026Company filing · Form 8-K · ResultsReported its results
7. Jul 23, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On July 23, 2026, Douglas A. Milroy notified the Board of Directors of Donaldson Company, Inc. of his decision to resign from the Board, effective July 31, 2026.”

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Donaldson Company

For Donaldson Company, OQRO holds 2 insider filings (SEC Form 4 or Form 144) and 11 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its DCI page.

Other recent filings by Guillermo Briseno, President

• SEC Form 4 at Donaldson Company (DCI)Mar 27, 2026
• SEC Form 4 at Donaldson Company (DCI)Sep 4, 2025

The full history of Guillermo Briseno, President is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Donaldson Company

• SEC Form 4Sep 10, 2026
• SEC Form 4Sep 2, 2026
• SEC Form 13F-HRAug 20, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026
• SEC Form 13F-HRAug 14, 2026

Everything OQRO holds on this company is on its DCI page.