3M CO — Director's Dealing 2026

Feb 9, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2026-02-06

Reporting Person: Reinseth Theresa E (Sr Vice President & CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-06	Common Stock	M	2655	$172.65	Acquired	5238.5834	Direct
2026-02-06	Common Stock	F	858	$172.65	Disposed	4380.5834	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-06	Restricted Stock Units	$	M	2655	Disposed		Common Stock (2655)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	565	Indirect

Footnotes

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

F2: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F3: The restricted stock units vest 100% three years from the grant date of February 7, 2023.