MMM Filing
4Filing Date: Jul 24, 2026

3M CO (MMM) · Insider Trading (Form 4) SEC Filing

Statement of Changes in Beneficial Ownership

descriptionView SEC Filing
ACC: 0000066740-26-000256open_in_new
Total Value$156.5K
Trades2
Insiders1

Transaction Details

Reinseth Theresa E
Sr Vice President & CAO·Direct
Sell · Dispose
Common Stock
Shares-924
Price$169.42
Total Value$156.5K
Shares Owned After2.62K
Transaction DateJul 23, 2026
Footnotes ▸

Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

Reinseth Theresa E
Sr Vice President & CAO·Indirect · By 401k/paesop Trust
Common Stock
Shares0
Price-
Total Value$0
Shares Owned After574

Post-Transaction Holdings

Reinseth Theresa E
SecuritySharesChange
Common Stock3.19K-924 (-22.46%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-23 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: 3M CO (MMM) CIK: 0000066740 --- Reporting Owner --- Name: Reinseth Theresa E CIK: 0001772245 Role: Officer (Sr Vice President & CAO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-23 | Code: S (Open market sale) Shares: -924 | Price: $169.42 Total Value: $156,544.17 Shares Owned After: 2,615.1084 | Ownership: D (Direct) Footnotes: [F1] Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan. --- Signature --- /s/ /s/ Patricia L. Meagher, attorney-in-fact for Theresa E. Reinseth (2026-07-24)

keid analysis is for reference only and does not constitute investment advice.