Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Dickson Zoe L

2. Date of Event Requiring Statement (MM/DD/YYYY) 6/1/2021

3. Issuer Name and Ticker or Trading Symbol

3M CO [MMM]

(Last) (First) (Middle)

3M CENTER

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 /

(Street)

ST. PAUL, MN 55144

(City) (State) (Zip)

5. If Amendment, Date Original Filed(MM/DD/YYYY)

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 Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Non-qualified Stock Option (Right to Buy)	2/5/2014 ⁽¹⁾	2/3/2023	Common Stock	2265	$101.49	D
Non-qualified Stock Option (Right to Buy)	2/4/2015 ⁽¹⁾	2/2/2024	Common Stock	2156	$126.72	D
Non-qualified Stock Option (Right to Buy)	2/3/2016 ⁽¹⁾	2/3/2025	Common Stock	3198	$165.94	D
Non-qualified Stock Option (Right to Buy)	2/2/2017 ⁽¹⁾	2/2/2026	Common Stock	3513	$147.87	D
Non-qualified Stock Option (Right to Buy)	2/7/2018 ⁽¹⁾	2/6/2027	Common Stock	4467	$175.76	D
Non-qualified Stock Option (Right to Buy)	2/6/2019 ⁽¹⁾	2/4/2028	Common Stock	2525	$233.63	D
Non-qualified Stock Option (Right to Buy)	2/5/2020 ⁽¹⁾	2/4/2029	Common Stock	3189	$201.12	D
Non-qualified Stock Option (Right to Buy)	2/4/2021 ⁽¹⁾	2/3/2030	Common Stock	11994	$157.24	D
Non-qualified Stock Option (Right to Buy)	2/1/2022 ⁽¹⁾	2/1/2031	Common Stock	7700	$175.02	D
Restricted Stock Units	⁽²⁾	⁽²⁾	Common Stock	1731	⁽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.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Dickson Zoe L 3M CENTER ST. PAUL, MN 55144			Executive Vice President