Donaldson Company director Douglas Milroy to resign

Donaldson Company, Inc. reports that Board member Douglas A. Milroy has decided to resign from the Board of Directors.

Accepted by SEC EDGAR 07/24/2026 - 04:10 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Donaldson Company, Inc. reports that Board member Douglas A. Milroy has decided to resign from the Board of Directors. He notified the Board on July 23, 2026, and his resignation will be effective July 31, 2026.

Milroy has served on Donaldson’s Board since 2016. The report does not provide additional details regarding this Board change.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Notification date: July 23, 2026 Effective resignation date: July 31, 2026 Board service start year: 2016

3 metrics

Notification date July 23, 2026 Date Douglas A. Milroy informed the Board of his decision to resign

Effective resignation date July 31, 2026 Date Douglas A. Milroy’s resignation from the Board becomes effective

Board service start year 2016 Year Douglas A. Milroy began serving on Donaldson Company’s Board

Key Terms

Emerging growth company, Soliciting material pursuant to Rule 14a-12, Pre Commencement communications, Section 12(b) of the Act

4 terms

Emerging growth company regulatory

"405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934... Emerging growth company"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

Soliciting material pursuant to Rule 14a-12 regulatory

"Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)"

Pre Commencement communications regulatory

"Pre Commencement communications pursuant to Rule 14d-2(b) under the Exchange Act"

Section 12(b) of the Act regulatory

"Securities registered pursuant to Section 12(b) of the Act"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What Board change did Donaldson Company (DCI) disclose?

Donaldson Company disclosed that director Douglas A. Milroy has decided to resign from its Board of Directors, with his resignation becoming effective on July 31, 2026 after notifying the Board on July 23, 2026.

When will Douglas A. Milroy’s resignation from Donaldson Company (DCI) take effect?

Douglas A. Milroy’s resignation from the Donaldson Company Board becomes effective on July 31, 2026. He informed the Board of his decision to resign on July 23, 2026, providing about a week’s notice before the effective date.

How long has Douglas A. Milroy served on Donaldson Company’s (DCI) Board?

Douglas A. Milroy has served on Donaldson Company’s Board since 2016. His service will conclude when his resignation becomes effective on July 31, 2026, marking roughly a decade of Board involvement with the company.

Did Donaldson Company (DCI) state why Douglas A. Milroy is resigning?

The report states that Douglas A. Milroy decided to resign from the Board but does not provide a specific reason. It simply records his notice date of July 23, 2026 and the effective resignation date of July 31, 2026.

Which SEC item covers the Donaldson Company (DCI) director resignation?

The director resignation is disclosed under Item 5.02, which addresses departures and appointments of directors and certain officers, as well as compensatory arrangements. Here it is used specifically to report Douglas A. Milroy’s planned Board resignation.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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0000029644false00000296442024-06-252024-06-25

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 23, 2026

DONALDSON COMPANY, INC.

(Exact name of registrant as specified in its charter)

                

Delaware			1-7891			41-0222640
(State of Incorporation)			(Commission file number)			(I.R.S. Employer Identification Number)

1400 West 94th Street

Minneapolis, MN 55431

(Address of principal executive offices)

(952) 887-3131

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre Commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre Commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Common Stock, $5.00 par value			DCI			New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

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. Mr. Milroy has served on the Board since 2016.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

DONALDSON COMPANY, INC.

Date:

July 24, 2026

By:

/s/ Amy C. Becker

Amy C. Becker Chief Legal Officer and Corporate Secretary

Filing Exhibits & Attachments

3 documents

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