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

OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5

1. Name and Address of Reporting Person* Dickson Zoe L (Last) (First) (Middle) 3M CENTER (Street) ST. PAUL MN 55144 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 06/01/2021	3. Issuer Name and Ticker or Trading Symbol 3M CO [ MMM ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Executive Vice President	5. 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 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	326.2516	D
Common Stock	252	I	401k/paesop 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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-qualified Stock Option (Right to Buy)	02/05/2014(1)	02/03/2023	Common Stock	2,265	101.49	D
Non-qualified Stock Option (Right to Buy)	02/04/2015(1)	02/02/2024	Common Stock	2,156	126.72	D
Non-qualified Stock Option (Right to Buy)	02/03/2016(1)	02/03/2025	Common Stock	3,198	165.94	D
Non-qualified Stock Option (Right to Buy)	02/02/2017(1)	02/02/2026	Common Stock	3,513	147.87	D
Non-qualified Stock Option (Right to Buy)	02/07/2018(1)	02/06/2027	Common Stock	4,467	175.76	D
Non-qualified Stock Option (Right to Buy)	02/06/2019(1)	02/04/2028	Common Stock	2,525	233.63	D
Non-qualified Stock Option (Right to Buy)	02/05/2020(1)	02/04/2029	Common Stock	3,189	201.12	D
Non-qualified Stock Option (Right to Buy)	02/04/2021(1)	02/03/2030	Common Stock	11,994	157.24	D
Non-qualified Stock Option (Right to Buy)	02/01/2022(1)	02/01/2031	Common Stock	7,700	175.02	D
Restricted Stock Units	(2)	(2)	Common Stock	1,731	(3)	D

Explanation of Responses:

1. 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.

2. The restricted stock units will vest in equal installments on April 1, 2024 and April 1, 2026.

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

	/s/ Patricia L. Meagher, attorney-in-fact for Zoe L. Dickson	06/03/2021
	** 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.