3M CO — Director's Dealing 2018

Feb 22, 2018

SEC Form 4/A — Form 4/A

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

Reporting Person: Vale Michael G. (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-06	Common Stock	A	7431.317	—	Acquired	33513.3269	Direct
2018-02-06	Common Stock	F	220	—	Disposed	33293.3269	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	27273	Acquired	2028-02-04	Common Stock (27273)	Direct

Footnotes

F1: On February 8, 2018, the reporting person reported the number of shares of 3M Common Stock that will be delivered on a deferred basis as a result of the vesting of a 2015 performance share award made to the reporting person. The number of shares previously reported as being withheld for the payment of FICA taxes was estimated. This amendment is being filed to update the Form 4 with the actual number of shares withheld.