Christian T. Goralski Jr. - 07 Oct 2026 Form 4 Insider Report for 3M CO (MMM)

Reporting relationship: Group President
Issuer ticker: MMM
Reported as of: 07 Oct 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 09 Oct 2026, 16:06:51 UTC
Prior SEC filing: 23 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Patricia L. Meagher, attorney-in-fact for Christian T. Goralski, Jr.

Key filing fact

Christian T. Goralski Jr. filed Form 4 for 3M CO (MMM) on 09 Oct 2026.

Key facts

This page summarizes Christian T. Goralski Jr.'s Form 4 filing for 3M CO (MMM).
7 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 09 Oct 2026, 16:06.

Change

Previous filing in this sequence was filed on 23 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001973503 Primary reporting owner

Goralski Christian T JR

Relationship: Group President
Address: 3M CENTER, ST. PAUL
Signature: /s/ Patricia L. Meagher, attorney-in-fact for Christian T. Goralski, Jr.
Signature date: 09 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MMM transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,288
Change %: +18%
Price: $162.12^*
Shares after: 8,259
Date: 07 Oct 2026
Ownership: Direct
Footnotes: F1

MMM transaction

Common Stock

Options Exercise

Transaction value
Shares: +219
Change %: +2.7%
Price: $162.12^*
Shares after: 8,478
Date: 07 Oct 2026
Ownership: Direct
Footnotes: F1

MMM transaction

Common Stock

Options Exercise

Transaction value
Shares: +217
Change %: +2.6%
Price: $162.12^*
Shares after: 8,695
Date: 07 Oct 2026
Ownership: Direct
Footnotes: F1

MMM transaction

Common Stock

Tax liability

Transaction value
Shares: -1,724
Change %: -20%
Price: $162.12^*
Shares after: 6,971
Date: 07 Oct 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MMM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -1,288
Change %: -6.3%
Price: $0.000000^*
Shares after: 19,299
Date: 07 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,288
Exercise price
Footnotes: F3, F4

MMM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -219
Change %: -4.2%
Price: $0.000000^*
Shares after: 5,055
Date: 07 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 219
Exercise price
Footnotes: F3, F5

MMM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -217
Change %: -4.1%
Price: $0.000000^*
Shares after: 5,012
Date: 07 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 217
Exercise price
Footnotes: F3, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Shares withheld for FICA tax for retirement eligible executives.

Footnote F2

Includes shares acquired under 3M's General Employee Stock Purchase Plan.

Footnote F3

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

Footnote F4

The restricted stock units vest on February 6, 2027.

Footnote F5

The restricted stock units vest 100% three years from the grant date.