3M CO — Director's Dealing 2018

Feb 23, 2018

SEC Form 4/A — Form 4/A

Issuer: 3M CO (MMM)
CIK: 0000066740
Period of Report: 2018-02-06

Reporting Person: Gangestad Nicholas C (Sr. VP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-06	Common Stock	A	9178.159	—	Acquired	29558.8963	Direct
2018-02-06	Common Stock	F	3207	—	Disposed	26351.8963	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-06	Non-qualified Stock Option (Right to Buy)	$233.63	A	56191	Acquired	2028-02-04	Common Stock (56191)	Direct

Footnotes

F1: On February 8, 2018, the reporting person reported the number of shares of 3M Common Stock earned pursuant to a 2015 performance share award. The numbers shown in the report reflected an estimate of the number of shares to be withheld for taxes. This amendment is being filed to update the Form 4 based on the actual number of shares withhold for taxes.