SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Kshirsagar Tushar A.

(Last)

(First)

(Middle)

3M CENTER

BLDG. 220-9E-02

(Street)

ST. PAUL

MINNESOTA

55144

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
10/01/2026

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

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	4,775.066⁽¹⁾	D
Common Stock	658	I	By 401(k) Trust
Common Stock	1,902.254	I	By Spouse
Common Stock	317	I	By Spouse 401(k) Trust

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Non-qualified Stock Option (Right to Buy)	02/06/2019⁽²⁾	02/04/2028	Common Stock	714	$205.62	D
Non-qualified Stock Option (Right to Buy)	02/05/2020⁽²⁾	02/02/2029	Common Stock	1,746	$177.01	D
Non-qualified Stock Option (Right to Buy)	02/04/2021⁽²⁾	02/01/2030	Common Stock	1,421	$138.39	D
Non-qualified Stock Option (Right to Buy)	02/02/2022⁽²⁾	01/31/2031	Common Stock	2,162	$154.04	D
Non-qualified Stock Option (Right to Buy)	02/08/2023⁽²⁾	02/06/2032	Common Stock	3,869	$142.94	D
Non-qualified Stock Option (Right to Buy)	02/07/2024⁽²⁾	02/04/2033	Common Stock	13,959	$102.89	D
Restricted Stock Units	⁽³⁾	⁽³⁾	Common Stock	1,991	⁽⁴⁾	D
Non-qualified Stock Option (Right to Buy)	02/12/2026⁽²⁾	02/09/2035	Common Stock	3,342	$148.87	D
Non-qualified Stock Option (Right to Buy)	02/06/2027⁽²⁾	02/05/2036	Common Stock	2,769	$172.65	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	5,775	⁽⁴⁾	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	1,435	⁽⁴⁾	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	1,279	⁽⁴⁾	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	3,313	⁽⁴⁾	D

Explanation of Responses:

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

2. The stock option will vest and become exercisable in a series of three equal installments on each of the first, second and third anniversary of the grant date.

3. The restricted stock units vest in three equal annual installments beginning May 3, 2025.

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

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

	/s/ Patricia L. Meagher, attorney-in-fact for Tushar A. Kshirsagar	10/09/2026
	** 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 5 (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 3: SEC 1473 (03-26)