Issuer (NYSE: MMM) insider plans 45,574-share Rule 144 sale

Rhea-AI Filing Summary

An insider of the issuer has filed a notice of intent to sell 45,574 common shares through Fidelity Brokerage Services LLC on February 9, 2026, with an aggregate market value of $7,753,518.25 and the shares listed on the NYSE.

The shares to be sold were acquired on February 9, 2026 by exercising options originally granted on February 7, 2023 and February 8, 2022 for 25,055 and 20,519 shares, respectively, paid in cash. The issuer had 526,700,000 shares outstanding. During the prior three months, the same account holder, Zoe Dickson, sold 27,455 common shares for gross proceeds of $4,661,910.00.

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	45574	7753518.25	526700000	02/09/2026	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	02/09/2026	Options Granted - 02/07/2023	Issuer			25055	02/09/2026	Cash
Common	02/09/2026	Options Granted - 02/08/2022	Issuer			20519	02/09/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Zoe Dickson 3M Center St. Paul MN 55144	Common	11/13/2025	27455	4661910.00

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 this Form 144 filing for MMM disclose?

The filing discloses an insider’s plan to sell 45,574 common shares of the issuer on February 9, 2026. The planned sale has an aggregate market value of about $7.75 million and will be executed through Fidelity Brokerage Services LLC on the NYSE.

How many shares is the MMM insider planning to sell under Rule 144?

The insider plans to sell 45,574 common shares under Rule 144. These shares were obtained by exercising stock options on February 9, 2026, and the planned sale’s aggregate market value is reported as $7,753,518.25 on the NYSE.

How were the MMM shares in this Rule 144 notice acquired?

The shares were acquired by exercising stock options on February 9, 2026. The options were originally granted on February 7, 2023 and February 8, 2022, resulting in 25,055 and 20,519 shares, respectively, with payment made in cash.

What prior share sales related to MMM are disclosed in the last 3 months?

The filing reports that Zoe Dickson sold 27,455 common shares on November 13, 2025. Those shares generated $4,661,910.00 in gross proceeds. This prior sale is listed alongside the newly planned Rule 144 transaction for additional context.

How large is the MMM issuer compared to this planned insider sale?

The issuer reports 526,700,000 shares outstanding, providing scale relative to the 45,574 shares planned for sale. This context helps investors understand that the transaction is small compared with the issuer’s total common shares in the market.

Which broker and exchange are involved in this MMM Rule 144 sale?

The planned sale will be executed through Fidelity Brokerage Services LLC. The filing lists the broker’s Smithfield, Rhode Island address and indicates that the common shares are traded on the NYSE, where the sale is intended to occur on February 9, 2026.