DAVID B. DILLON - 13 May 2025 Form 4 Insider Report for 3M CO (MMM)

Role: Director
Signature: /s/ Patricia L. Meagher, attorney-in-fact for David B. Dillon
Issuer symbol: MMM
Transactions as of: 13 May 2025
Net transactions value: +$195,000
Form type: 4
Filing time: 14 May 2025, 16:59:18 UTC
Previous filing: 02 Apr 2025
Next filing: 03 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
DILLON DAVID B	Director	3M CENTER, ST. PAUL	/s/ Patricia L. Meagher, attorney-in-fact for David B. Dillon	14 May 2025	0001186725

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MMM	Common Stock	Award	$195,000	+1,297	+9.9%	$150.33	14,365	13 May 2025	By Corporation	F1, F2
holding	MMM	Common Stock						1,200	13 May 2025	Direct

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

Explanation of Responses:

Id	Content
F1	This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.
F2	Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.