MMM Insider Filing: Common Stock Activity Reported 10/01/2025

Rhea-AI Filing Summary

Kevin H. Rhodes, listed as EVP, Chief Legal Officer & Secretary of 3M Company (MMM), reported transactions dated 10/01/2025. The filing records activity in common stock and restricted stock units (RSUs), including a reported 4,718 RSU grant that the filer says "vest 100% three years from the grant date." The form also notes shares were withheld to cover FICA tax for retirement-eligible executives. The Form 4 is signed by an attorney-in-fact on 10/02/2025. The filing shows specific share amounts for common stock transactions on 10/01/2025 as reported in the table: 15,399.5304 and 15,196.5304.

Positive

• 4,718 restricted stock units granted that "vest 100% three years from the grant date"
• Form 4 filed and signed by attorney‑in‑fact on 10/02/2025, documenting the transactions

Negative

• Shares were withheld to cover FICA tax for retirement‑eligible executives (reduces net shares delivered)

Insights

Compensation & Equity Plan Expert

RSU grant of 4,718 vests 100% in three years

The filing explicitly shows a grant of 4,718 restricted stock units that "vest 100% three years from the grant date," meaning the award is time‑based and contingent on continued service through that period. This is a standard long‑term compensation structure used to align executive incentives with shareholder interests over a multi‑year horizon.

The form also states that shares were withheld to cover FICA tax for retirement‑eligible executives, indicating tax withholding occurred on the transaction as disclosed.

Insider Transactions & Compliance Expert

Insider reported multiple common stock entries dated 10/01/2025

The Form 4 lists common stock transactions with reported amounts of 15,399.5304 and 15,196.5304 on 10/01/2025. The document is signed by an attorney‑in‑fact on 10/02/2025, fulfilling reporting formalities.

The filing includes explanatory footnotes clarifying that each RSU equals one share and that certain shares were withheld for tax purposes; no other vesting accelerations, option exercises, or derivative expirations are stated in this filing.

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).

1. Name and Address of Reporting Person^*

Rhodes Kevin H

(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)
	EVP, Chief Legal Off & Secret

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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	10/01/2025		M		203	A	(1)	15,399.5304	D
Common Stock	10/01/2025		F		203(2)	D	$156	15,196.5304	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
Restricted Stock Units	(1)	10/01/2025		M			203	(3)	(3)	Common Stock	203	(1)	4,718	D

Explanation of Responses:

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

2. Shares withheld for FICA tax for retirement eligible executives.

3. The restricted stock units vest 100% three years from the grant date.

	Patricia L. Meagher, attorney-in-fact for Kevin H. Rhodes	10/02/2025
	** 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 transactions did Kevin H. Rhodes report on the Form 4 for MMM?

The Form 4 reports common stock activity dated 10/01/2025 with reported amounts of 15,399.5304 and 15,196.5304, and a grant of 4,718 restricted stock units.

When do the restricted stock units reported for MMM vest?

The filing states the restricted stock units "vest 100% three years from the grant date."

Were any shares withheld for taxes in the MMM Form 4?

Yes. The filing explicitly notes shares were withheld to cover FICA tax for retirement‑eligible executives.

Who signed the Form 4 for Kevin H. Rhodes (MMM)?

The Form 4 is signed by Patricia L. Meagher, attorney‑in‑fact for Kevin H. Rhodes on 10/02/2025.

What is the reporting person’s role at 3M as listed on the Form 4?

The form lists the reporting person as an Officer with the title EVP, Chief Legal Officer & Secretary.