3M CO — Director's Dealing 2025

Oct 30, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2025-10-29

Reporting Person: Murphy Mark W. (EVP & Chief Info Digital Off)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-29	Common Stock	M	19061	$142.94	Acquired	25655.1875	Direct
2025-10-29	Common Stock	S	6611	$166.50	Disposed	19044.1875	Direct
2025-10-29	Common Stock	S	100	$166.5004	Disposed	18944.1875	Direct
2025-10-29	Common Stock	S	725	$166.51	Disposed	18219.1875	Direct
2025-10-29	Common Stock	S	2183	$166.52	Disposed	16036.1875	Direct
2025-10-29	Common Stock	S	1380	$166.53	Disposed	14656.1875	Direct
2025-10-29	Common Stock	S	940	$166.54	Disposed	13716.1875	Direct
2025-10-29	Common Stock	S	765	$166.55	Disposed	12951.1875	Direct
2025-10-29	Common Stock	S	1466	$166.56	Disposed	11485.1875	Direct
2025-10-29	Common Stock	S	260	$166.57	Disposed	11225.1875	Direct
2025-10-29	Common Stock	S	623	$166.58	Disposed	10602.1875	Direct
2025-10-29	Common Stock	S	10	$166.59	Disposed	10592.1875	Direct
2025-10-29	Common Stock	S	122	$166.62	Disposed	10470.1875	Direct
2025-10-29	Common Stock	S	1700	$166.625	Disposed	8770.1875	Direct
2025-10-29	Common Stock	S	12	$166.63	Disposed	8758.1875	Direct
2025-10-29	Common Stock	S	7	$166.65	Disposed	8751.1875	Direct
2025-10-29	Common Stock	S	1701	$166.66	Disposed	7050.1875	Direct
2025-10-29	Common Stock	S	104	$166.67	Disposed	6946.1875	Direct
2025-10-29	Common Stock	S	1	$166.68	Disposed	6945.1875	Direct
2025-10-29	Common Stock	S	1	$166.73	Disposed	6944.1875	Direct
2025-10-29	Common Stock	S	350	$166.75	Disposed	6594.1875	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-29	Non-qualified Stock Option (Right to Buy)	$142.94	M	19061	Disposed	2032-02-06	Common Stock (19061)	Direct

Footnotes

F1: Includes shares acquired under 3M's General Employee Stock Purchase Plan.

F2: The stock option will vest and become exercisable in a series of three equal installments on each of the first, second and third anniversary of the grant date.