[144] 3M CO SEC Filing

Rhea-AI Filing Summary

Form 144 notice: An affiliate plans to sell 19,061 shares of common stock through Fidelity Brokerage Services LLC on the NYSE, with an approximate sale date of 10/29/2025. The filing lists an aggregate market value of $3,174,589.10 for the shares. Shares outstanding were 531,225,048; this is a baseline figure, not the amount being sold. The securities to be sold were acquired via an option granted on 02/08/2022, with cash payment listed.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	19061	3174589.10	531225048	10/29/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/29/2025	Option Granted - 02/08/2022	Issuer			19061	10/29/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does MMM’s Form 144 filing disclose?

It discloses a planned sale of 19,061 shares of common stock on the NYSE through Fidelity Brokerage Services LLC.

How many shares are covered in MMM’s Form 144?

The notice covers 19,061 shares of common stock.

What is the aggregate market value in MMM’s Form 144?

The filing lists an aggregate market value of $3,174,589.10 for the shares to be sold.

When is the approximate sale date in MMM’s Form 144?

The approximate sale date is 10/29/2025.

Which broker and exchange are named in MMM’s Form 144?

Broker: Fidelity Brokerage Services LLC. Exchange: NYSE.

How were the securities acquired in MMM’s Form 144?

They were acquired via an option granted on 02/08/2022, with cash payment listed.

What are the shares outstanding referenced in MMM’s Form 144?

The filing lists 531,225,048 shares outstanding, a baseline figure separate from the amount being sold.