3M (MMM) director logs deferred stock equivalents grant under board compensation plan

Rhea-AI Filing Summary

3M CO non-employee director Thomas W. Sweet reported an indirect compensation-related acquisition of common stock equivalents. On 2026-05-12, an affiliated corporation received 1,360.402 common stock equivalent shares at $143.34 per share under 3M's Compensation Plan for Non-Employee Directors, bringing its indirect holdings to 5,795.588 shares. The filing notes these are deferred dividend reinvestment and deferred compensation shares, and that the director has no voting or investment power over this common stock equivalents account.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Sweet Thomas W

Role null

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

Holdings After Transaction: Common Stock — 5,795.588 shares (Indirect, By Corporation)

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

Shares acquired: 1,360.402 shares Grant price: $143.34 per share Indirect holdings after grant: 5,795.588 shares +1 more

4 metrics

Shares acquired 1,360.402 shares Common stock equivalents granted on 2026-05-12

Grant price $143.34 per share Price used for compensation share calculation

Indirect holdings after grant 5,795.588 shares Common stock equivalents held by corporation after transaction

Transaction code A (grant, award, or other acquisition) Non-derivative compensation-related acquisition

Key Terms

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

4 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"

non-employee director financial

"This non-employee director has elected to defer all or a portion of compensation"

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^*

Sweet Thomas W

(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	5,795.588(1)(2)	I	By Corporation

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.

	Patricia L. Meagher, attorney-in-fact for Thomas W. Sweet	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 insider transaction did 3M (MMM) director Thomas W. Sweet report?

Thomas W. Sweet reported an acquisition of 1,360.402 3M common stock equivalent shares. These were granted as deferred compensation and dividend reinvestment under 3M's Compensation Plan for Non-Employee Directors, held in an account without his voting or investment control.

Was the 3M (MMM) Sweet Form 4 a market purchase or a compensation grant?

The Form 4 reflects a compensation-related grant, not an open-market purchase. The transaction is coded “A” for grant or award, tied to 3M's Compensation Plan for Non-Employee Directors and represents deferred compensation and dividend reinvestment shares.

How many 3M (MMM) shares does Thomas W. Sweet indirectly hold after this filing?

Following the reported transaction, the affiliated corporation holds 5,795.588 common stock equivalent shares indirectly for Sweet. These are maintained in a common stock equivalents account related to deferred director compensation, rather than as directly held, votable shares.

Does Thomas W. Sweet control voting or investment decisions over these 3M (MMM) shares?

According to the disclosure, he has no voting or investment powers over the common stock equivalents account. The shares are held under 3M's Compensation Plan for Non-Employee Directors, emphasizing that this is a deferred, plan-governed position rather than a directly controlled holding.

What plan governs the 3M (MMM) director deferred share acquisition reported on Form 4?

The transaction is governed by 3M's Compensation Plan for Non-Employee Directors. Under this plan, the director elected to defer compensation into a common stock equivalents account and receive deferred dividend reinvestment shares instead of immediate cash or stock payments.