Key facts
- This page summarizes William M. Brown's Form 4 filing for 3M CO (MMM).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 04 May 2026, 16:06.
William M. Brown - 01 May 2026 Form 4 Insider Report for 3M CO (MMM)
- Reporting relationship
- Chairman & CEO
- Issuer ticker
- MMM
- Reported as of
- 01 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 04 May 2026, 16:06:41 UTC
- Prior SEC filing
- 10 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- Patricia L. Meagher, attorney-in-fact for William M. Brown
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
William M. Brown filed Form 4 for 3M CO (MMM) on 04 May 2026.
Change
- Previous filing in this sequence was filed on 10 Feb 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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001350633
Primary reporting owner
Brown William M
- Relationship
- Chairman & CEO
- Address
- 3M CENTER, ST. PAUL
- Signature
- Patricia L. Meagher, attorney-in-fact for William M. Brown
- Signature date
- 04 May 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
- +8,578
- Change %
- +184%
- Price
- $142.50*
- Shares after
- 13,243
- Date
- 01 May 2026
- Ownership
- Direct
MMM
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -3,912
- Change %
- -30%
- Price
- $142.50*
- Shares after
- 9,331
- Date
- 01 May 2026
- Ownership
- Direct
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
- -8,578
- Change %
- -50%
- Price
- $0.000000*
- Shares after
- 8,579
- Date
- 01 May 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 8,578
- Exercise price
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Each restricted stock unit represents a contingent right to receive one share of 3M common stock.
Footnote F2
The restricted stock units vest in three equal annual installments beginning on May 3, 2025.