[Form 4] 3M Company Insider Trading Activity

Rhea-AI Filing Summary

3M Company (MMM) – Form 4 insider transaction dated 08/07/2025

Group President Christian T. Goralski Jr. exercised 6,650 non-qualified stock options at an exercise price of $130.14 and simultaneously sold 6,165 common shares at a market price of $150.18. Net of the sale, the executive retained 485 newly issued shares, bringing his direct beneficial ownership to 9,065 shares. All reported options from the 02/02/2017 grant are now fully settled, leaving no remaining derivative position.

The filing shows continued participation in 3M’s Employee Stock Purchase Plan and Dividend Reinvestment Plan, suggesting routine accumulation programs. While the gross sale value (~$0.93 million) exceeds the cost to exercise (~$0.87 million), the overall change represents a modest net increase in equity exposure rather than a wholesale reduction.

Insights

Securities Analyst

TL;DR: Routine option exercise; modest net share increase, limited signal.

The transaction converts a 2017 option grant expiring in 2026. Goralski monetised most of the shares to cover tax and exercise costs yet retained 485 shares, lifting holdings to 9,065. Given 3M’s ~550 mn shares outstanding, the size (<0.002%) is immaterial and unlikely to influence price, but the absence of a net reduction removes a potential negative read-through. I view the filing as neutral for investors.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Goralski Christian T JR

(Last) (First) (Middle)

3M CENTER

(Street)

ST. PAUL MN 55144-1000

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
3M CO [ MMM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Group President

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/07/2025		M		6,650	A	$130.14	9,065.149	D
Common Stock	08/07/2025		S		6,165	D	$150.1801	2,900.149(1)(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-qualified Stock Option (Right to Buy)	$130.14	08/07/2025		M			6,650	02/02/2017	02/02/2026	Common Stock	6,650	$0	0	D

Explanation of Responses:

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

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

	/s/ Patricia L. Meagher, attorney-in-fact for Christian T. Goralski, Jr.	08/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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