Director at 3M (NYSE: MMM) defers compensation into stock grant

Rhea-AI Filing Summary

3M director Thomas K. Brown reported routine equity compensation rather than an open-market trade. A corporate entity associated with him acquired 1,360.402 shares of common stock at $143.34 per share as a grant or award under 3M's Compensation Plan for Non-Employee Directors, through deferred dividend reinvestment and deferral of director compensation into a common stock equivalents account. According to the footnotes, he has no voting or investment power over this account. Following the transactions, he holds 1,293.727 shares directly and 17,687.169 shares indirectly through the corporation.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider BROWN THOMAS K

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,360.402	$143.34	$195K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 17,687.169 shares (Indirect, By Corporation); Common Stock — 1,293.727 shares (Direct, null)

Footnotes (1)

1. Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors. 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.

Key Figures

Grant shares: 1,360.402 shares Grant price: $143.34 per share Direct holdings after: 1,293.727 shares +1 more

4 metrics

Grant shares 1,360.402 shares Common Stock grant/award acquisition on 2026-05-12

Grant price $143.34 per share Price for the 1,360.402-share grant/award

Direct holdings after 1,293.727 shares Direct 3M common stock position following transactions

Indirect holdings after 17,687.169 shares Indirect 3M common stock position via corporation after grant

Key Terms

Compensation Plan for Non-Employee Directors, deferred dividend reinvestment shares, common stock equivalents account

3 terms

Compensation Plan for Non-Employee Directors financial

"pursuant to 3M's Compensation Plan for Non-Employee Directors."

deferred dividend reinvestment shares financial

"Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan"

common stock equivalents account financial

"to a common stock equivalents account under the terms of 3M's Compensation Plan"

Form 4 Insider Transactions: What Each Field Means →

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^*

BROWN THOMAS K

(Last) (First) (Middle)

3M CENTER

(Street)

ST. PAUL MINNESOTA 55144

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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

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

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

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	05/12/2026		A		1,360.402	A	$143.34	17,687.169(1)(2)	I	By Corporation
Common Stock								1,293.727	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

Explanation of Responses:

1. Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.

2. 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.

	/s/ Patricia L. Meagher, attorney-in-fact for Thomas K. Brown	05/13/2026
	** 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).
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.
* Form 4: SEC 1474 (03-26)

FAQ

What did 3M (MMM) director Thomas K. Brown report in this Form 4?

Thomas K. Brown reported an acquisition of 1,360.402 3M common shares at $143.34 per share. The transaction reflects a grant or award tied to director compensation rather than an open-market purchase or sale.

Was the 3M (MMM) Form 4 transaction a market buy or sell?

The Form 4 shows a grant or award acquisition, not a market buy or sell. Shares were acquired via deferred compensation and dividend reinvestment under 3M's Compensation Plan for Non-Employee Directors.

How many 3M (MMM) shares does Thomas K. Brown hold after this filing?

After the reported transactions, Thomas K. Brown holds 1,293.727 3M shares directly and 17,687.169 shares indirectly through a corporation, according to the Form 4 position totals.

Does Thomas K. Brown control voting or investment decisions for all reported 3M (MMM) shares?

The footnotes state he has no voting or investment powers over the common stock equivalents account. That account holds deferred director compensation and related dividend reinvestment shares under 3M's Compensation Plan for Non-Employee Directors.

What is the price associated with the 3M (MMM) shares in this Form 4 grant?

The reported grant or award involves 1,360.402 3M common shares at $143.34 per share. This value reflects the transaction price per share shown in the Form 4 data.