Jacinth C. Smiley - 02 Jan 2026 Form 4 Insider Report for DONALDSON Co INC (DCI)

Role: Director
Signature: Amy C. Becker, Attorney-in-Fact for Jacinth C. Smiley
Issuer symbol: DCI
Transactions as of: 02 Jan 2026
Net transactions value: +$22,482
Form type: 4
Filing time: 06 Jan 2026, 14:19:22 UTC
Previous filing: 06 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Smiley Jacinth C	Director	1400 WEST 94TH STREET, BLOOMINGTON	Amy C. Becker, Attorney-in-Fact for Jacinth C. Smiley	06 Jan 2026	0001735999

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DCI	Common Stock	Award	$0	+900	+14%	$0.000000	7,394	02 Jan 2026	Direct
transaction	DCI	Common Stock	Award	$22,482	+250	+3.4%	$89.93	7,644	02 Jan 2026	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	Stock Option (right to buy)	Award	$0	+3,000		$0.000000	3,000	02 Jan 2026	Common Stock	3,000	$89.93	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 January 2, 2027.