Zoe L. Dickson - 09 Feb 2026 Form 4/A - Amendment Insider Report for 3M CO (MMM)

Signature
/s/ Patricia L. Meagher, attorney-in-fact for Zoe L. Dickson
Issuer symbol
MMM
Transactions as of
09 Feb 2026
Net transactions value
-$554,629
Form type
4/A - Amendment
Filing time
10 Feb 2026, 16:40:16 UTC
Date Of Original Report
10 Feb 2026
Previous filing
09 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Dickson Zoe L EVP & Chief HR Officer 3M CENTER, ST. PAUL /s/ Patricia L. Meagher, attorney-in-fact for Zoe L. Dickson 10 Feb 2026 0001865140

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MMM Common Stock Options Exercise $2,932,986 +20,519 +97% $142.94 41,642 09 Feb 2026 Direct
transaction MMM Common Stock Sale $3,487,614 -20,519 -49% $169.97 21,123 09 Feb 2026 Direct F1
holding MMM Common Stock 299 09 Feb 2026 401k/paesop Trust

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MMM Non-qualified Stock Option (Right to Buy) Options Exercise $0 -20,519 -100% $0.000000 0 09 Feb 2026 Common Stock 20,519 $142.94 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.91 to $170.15.
F2 The stock options that were exercised were omitted from Table II in the original filing.