Monish D. Patolawala - 01 Jul 2021 Form 4 Insider Report for 3M CO (MMM)

Role: Executive VP and CFO
Signature: /s/ Patricia L. Meagher, attorney-in-fact for Monish D. Patolawala
Issuer symbol: MMM
Transactions as of: 01 Jul 2021
Net transactions value: +$666,752
Form type: 4
Filing time: 06 Jul 2021, 13:21:20 UTC
Next filing: 03 Nov 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MMM	Common Stock	Options Exercise	$1,197,128	+6,013		$199.09	6,013	01 Jul 2021	Direct
transaction	MMM	Common Stock	Tax liability	$530,376	-2,664	-44%	$199.09	3,349	01 Jul 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MMM	Restricted Stock Units	Options Exercise	$0	-6,013	-33%	$0.000000	12,026	01 Jul 2021	Common Stock	6,013		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted stock units convert into 3M common stock on a one-for-one basis.
F2	On July 1, 2020, the reporting person was granted 18,039 restricted stock units, vesting in three equal annual installments beginning July 1, 2021.