Tod E. Carpenter - 01 Oct 2025 Form 4 Insider Report for DONALDSON Co INC (DCI)

Role: Chairman, President and CEO, Director
Signature: Amy C. Becker, Attorney-in-fact for Tod E. Carpenter
Issuer symbol: DCI
Transactions as of: 01 Oct 2025
Net transactions value: $0
Form type: 4
Filing time: 03 Oct 2025, 11:56:27 UTC
Previous filing: 29 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Carpenter Tod E.	Chairman, President and CEO, Director	1400 WEST 94TH STREET, BLOOMINGTON	Amy C. Becker, Attorney-in-fact for Tod E. Carpenter	03 Oct 2025	0001441791

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	DCI	Common Stock						11,079	01 Oct 2025	By Benefit Plan Trust.
holding	DCI	Common Stock						11,815	01 Oct 2025	By Benefit Plan Trust
holding	DCI	Common Stock						298,699	01 Oct 2025	Direct

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	+122,600		$0.000000	122,600	01 Oct 2025	Common Stock	122,600	$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.