Theresa E. Reinseth - 05 Aug 2025 Form 4 Insider Report for 3M CO (MMM)

Role: Sr Vice President & CAO
Signature: /s/ Patricia L. Meagher, attorney-in-fact for Theresa E. Reinseth
Issuer symbol: MMM
Transactions as of: 05 Aug 2025
Net transactions value: -$523,741
Form type: 4
Filing time: 06 Aug 2025, 09:00:59 UTC
Previous filing: 05 May 2025
Next filing: 09 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Reinseth Theresa E	Sr Vice President & CAO	3M CENTER, ST. PAUL	/s/ Patricia L. Meagher, attorney-in-fact for Theresa E. Reinseth	06 Aug 2025	0001772245

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MMM	Common Stock	Sale	$523,741	-3,477	-58%	$150.63	2,561	05 Aug 2025	Direct	F1
holding	MMM	Common Stock						563	05 Aug 2025	By 401k/paesop Trust

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

Explanation of Responses:

Id	Content
F1	Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.