3M CO — Director's Dealing 2025

Oct 2, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2025-10-01

Reporting Person: Rhodes Kevin H (EVP, Chief Legal Off & Secret)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-01	Common Stock	M	203	—	Acquired	15399.5304	Direct
2025-10-01	Common Stock	F	203	$156.00	Disposed	15196.5304	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-01	Restricted Stock Units	$	M	203	Disposed		Common Stock (203)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

F2: Shares withheld for FICA tax for retirement eligible executives.

F3: The restricted stock units vest 100% three years from the grant date.