William M. Brown - 02 May 2025 Form 4 Insider Report for 3M CO (MMM)

Role: Chairman & CEO
Signature: Patricia L. Meagher, attorney-in-fact for William M. Brown
Issuer symbol: MMM
Transactions as of: 02 May 2025
Net transactions value: +$662,803
Form type: 4
Filing time: 05 May 2025, 08:24:22 UTC
Previous filing: 13 Feb 2025
Next filing: 29 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Brown William M	Chairman & CEO	3M CENTER, ST. PAUL	Patricia L. Meagher, attorney-in-fact for William M. Brown	05 May 2025	0001350633

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MMM	Common Stock	Options Exercise	$1,218,620	+8,577		$142.08	8,577	02 May 2025	Direct
transaction	MMM	Common Stock	Tax liability	$555,817	-3,912	-46%	$142.08	4,665	02 May 2025	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	MMM	Restricted Stock Units	Options Exercise	$0	-8,577	-33%	$0.000000	17,157	02 May 2025	Common Stock	8,577		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of 3M common stock.
F2	The restricted stock units vest in three equal annual installments beginning on May 3, 2025.