3M (MMM) Sr VP Theresa Reinseth logs 2,655 RSUs vest and tax share withholding

Rhea-AI Filing Summary

3M senior vice president and chief accounting officer Theresa E. Reinseth reported routine equity compensation activity. On February 6, 2026, 2,655 restricted stock units vested and were converted into 2,655 shares of 3M common stock at an exercise price of $0.

On the same date, 2,655 common shares were acquired at a transaction price of $172.65 per share, and 858 shares were withheld (code "F") at $172.65 per share, typically reflecting shares retained to cover taxes. After these transactions, she directly held about 4,380.5834 common shares and indirectly held 565 shares through a 401(k)/PAESOP trust.

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

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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^*

Reinseth Theresa E

(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)
	Sr Vice President & CAO

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

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	02/06/2026		M		2,655	A	$172.65	5,238.5834	D
Common Stock	02/06/2026		F		858	D	$172.65	4,380.5834(1)	D
Common Stock								565	I	By 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
Restricted Stock Units	(2)	02/06/2026		M			2,655	(3)	(3)	Common Stock	2,655	$0	0	D

Explanation of Responses:

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

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

3. The restricted stock units vest 100% three years from the grant date of February 7, 2023.

	/s/ Patricia L. Meagher, attorney-in-fact for Theresa E. Reinseth	02/09/2026
	** 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).
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FAQ

What insider transaction did 3M (MMM) officer Theresa Reinseth report?

Theresa Reinseth reported the vesting of 2,655 restricted stock units that converted into 2,655 shares of 3M common stock. The filing also shows related common stock acquisitions and tax withholding, reflecting routine equity compensation rather than an open-market discretionary trade.

How many 3M (MMM) shares did Theresa Reinseth receive and retain from this Form 4?

She received 2,655 common shares upon RSU vesting at an exercise price of $0. After 858 shares were withheld, she directly held 4,380.5834 common shares. She also indirectly held 565 shares through a 401(k)/PAESOP trust following the reported transactions.

What do the Form 4 transaction codes M and F mean for 3M (MMM)?

Code M shows 2,655 restricted stock units were converted into 2,655 common shares, usually at no cash cost to the insider. Code F indicates 858 common shares were withheld at $172.65 per share, commonly to satisfy tax obligations tied to the equity award.

What is Theresa Reinseth’s role at 3M (MMM) according to this filing?

Theresa E. Reinseth is listed as an officer of 3M with the title "Sr Vice President & CAO". Her Form 4 reflects transactions in company stock connected to her compensation, consistent with her status as a senior executive subject to Section 16 reporting rules.

How many 3M (MMM) shares does Theresa Reinseth indirectly own after this transaction?

The Form 4 reports that she indirectly owns 565 shares of 3M common stock. These shares are held "By 401k/paesop Trust," indicating ownership through a retirement or employee stock ownership plan rather than direct personal brokerage holdings.

What do the restricted stock unit terms in the 3M (MMM) Form 4 disclose?

Each restricted stock unit represents a contingent right to receive one 3M common share. The RSUs referenced in this filing vested 100% three years after the grant date of February 7, 2023, triggering their conversion into 2,655 common shares on February 6, 2026.