Darcy J. DeVincke - 01 Oct 2025 Form 4 Insider Report for DONALDSON Co INC (DCI)

Role: Chief Human Resources Officer
Signature: /s/ Amy C. Becker, Attorney-in-Fact for Darcy J. DeVincke
Issuer symbol: DCI
Transactions as of: 01 Oct 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Oct 2025, 11:59:10 UTC
Previous filing: 03 Oct 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
DeVincke Darcy J	Chief Human Resources Officer	1400 WEST 94TH STREET, BLOOMINGTON	/s/ Amy C. Becker, Attorney-in-Fact for Darcy J. DeVincke	03 Oct 2025	0002039465

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	DCI	Common Stock						3,863	01 Oct 2025	By Benefit Plan Trust

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DCI	Employee Stock Option (right to buy)	Award	$0	+11,500		$0.000000	11,500	01 Oct 2025	Common Stock	11,500	$82.08	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The option vests in three equal annual installments beginning on October 1, 2026.