[Form 4] 3M CO Insider Trading Activity

Rhea-AI Filing Summary

3M (MMM) reported insider activity by EVP & Chief HR Officer Zoe L. Dickson on 11/13/2025. She exercised non-qualified stock options for 5,076 shares at $154.69 and 8,750 shares at $154.04, then executed multiple open‑market sales the same day at prices around $169.72–$169.86.

Following these transactions, she held 6,161.5219 shares directly and 298 shares indirectly via a 401k/PAESOP trust. Footnotes note that direct holdings include dividend share equivalents accrued under 3M’s Deferred Compensation Plan and shares acquired under the General Employee Stock Purchase Plan.

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
Estimated average burden
hours per response:			0.5

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^*

Dickson Zoe L

(Last) (First) (Middle)

3M CENTER

(Street)

ST. PAUL MN 55144

(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)
	EVP & Chief HR Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/13/2025

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	11/13/2025		M		5,076	A	$154.69	11,237.5219	D
Common Stock	11/13/2025		S		100	D	$169.8201	11,137.5219	D
Common Stock	11/13/2025		S		2,377	D	$169.8207	8,760.5219	D
Common Stock	11/13/2025		S		224	D	$169.83	8,536.5219	D
Common Stock	11/13/2025		S		150	D	$169.84	8,386.5219	D
Common Stock	11/13/2025		S		2,225	D	$169.86	6,161.5219	D
Common Stock	11/13/2025		M		8,750	A	$154.04	14,911.5219	D
Common Stock	11/13/2025		S		6,050	D	$169.72	8,861.5219	D
Common Stock	11/13/2025		S		100	D	$169.75	8,761.5219	D
Common Stock	11/13/2025		S		300	D	$169.76	8,461.5219	D
Common Stock	11/13/2025		S		200	D	$169.77	8,261.5219	D
Common Stock	11/13/2025		S		36	D	$169.78	8,225.5219	D
Common Stock	11/13/2025		S		305	D	$169.79	7,920.5219	D
Common Stock	11/13/2025		S		474	D	$169.8	7,446.5219	D
Common Stock	11/13/2025		S		555	D	$169.81	6,891.5219	D
Common Stock	11/13/2025		S		205	D	$169.82	6,686.5219	D
Common Stock	11/13/2025		S		243	D	$169.83	6,443.5219	D
Common Stock	11/13/2025		S		106	D	$169.84	6,337.5219	D
Common Stock	11/13/2025		S		176	D	$169.85	6,161.5219(1)(2)	D
Common Stock								298	I	401k/paesop Trust

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)	$154.04	11/13/2025		M			8,750	02/01/2022	02/01/2031	Common Stock	8,750	$0	0	D
Non-qualified Stock Option (Right to Buy)	$154.69	11/13/2025		M			5,076	02/07/2018	02/06/2027	Common Stock	5,076	$0	0	D

Explanation of Responses:

1. Includes dividend share equivalents, accrued quarterly, pursuant to 3M's Deferred Compensation Plan.

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

	/s/ Patricia L. Meagher, attorney-in-fact for Zoe L. Dickson	11/14/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did 3M (MMM) disclose in this Form 4?

The EVP & Chief HR Officer, Zoe L. Dickson, exercised stock options and sold shares on 11/13/2025.

How many options did the 3M executive exercise and at what prices?

She exercised 5,076 shares at $154.69 and 8,750 shares at $154.04.

At what prices were the 3M shares sold?

Multiple sales occurred around $169.72–$169.86 on 11/13/2025.

How many 3M shares does the executive hold after the transactions?

She holds 6,161.5219 shares directly and 298 shares indirectly via a 401k/PAESOP trust.

What role does the reporting person hold at 3M (MMM)?

She is the company’s EVP & Chief HR Officer.

What do the footnotes say about the reported 3M share holdings?

Direct holdings include dividend share equivalents and shares acquired under 3M’s ESPP.