Form 144

144: Filer Information

Filer CIK

0001890011

Filer CCC

XXXXXXXX

Is this a LIVE or TEST Filing?

LIVE

TEST

Submission Contact Information

Name

Phone

E-Mail Address

144: Issuer Information

Name of Issuer

3M CO

SEC File Number

001-03285

Address of Issuer

3M CENTER
BLDG. 220-9E-02
ST PAUL
MINNESOTA
55144-1000

Phone

6517331110

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

Chavez Rodriguez Beatriz Karina

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

Officer

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	3635	663429.67	515722417	08/05/2026	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	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/05/2016	Restricted Stock Vesting	Issuer	170	02/05/2016	Compensation
Common	04/29/2016	ESPP Purchase	Issuer	14	04/29/2016	Cash
Common	05/31/2016	ESPP Purchase	Issuer	14	05/31/2016	Cash
Common	06/30/2016	ESPP Purchase	Issuer	14	06/30/2016	Cash
Common	07/29/2016	ESPP Purchase	Issuer	13	07/29/2016	Cash
Common	08/31/2016	ESPP Purchase	Issuer	13	08/31/2016	Cash
Common	01/31/2017	ESPP Purchase	Issuer	14	01/31/2017	Cash
Common	02/04/2017	Restricted Stock Vesting	Issuer	357	02/04/2017	Compensation
Common	02/28/2017	ESPP Purchase	Issuer	14	02/28/2017	Cash
Common	03/31/2017	ESPP Purchase	Issuer	12	03/31/2017	Cash
Common	04/28/2017	ESPP Purchase	Issuer	12	04/28/2017	Cash
Common	05/31/2017	ESPP Purchase	Issuer	12	05/31/2017	Cash
Common	06/30/2017	ESPP Purchase	Issuer	12	06/30/2017	Cash
Common	08/31/2017	ESPP Purchase	Issuer	12	08/31/2017	Cash
Common	09/29/2017	ESPP Purchase	Issuer	12	09/29/2017	Cash
Common	05/31/2018	ESPP Purchase	Issuer	12	05/31/2018	Cash
Common	06/29/2018	ESPP Purchase	Issuer	12	06/29/2018	Cash
Common	07/31/2018	ESPP Purchase	Issuer	2	07/31/2018	Cash
Common	01/31/2019	ESPP Purchase	Issuer	13	01/31/2019	Cash
Common	02/28/2019	ESPP Purchase	Issuer	12	02/28/2019	Cash
Common	03/29/2019	ESPP Purchase	Issuer	59	03/29/2019	Cash
Common	05/31/2019	ESPP Purchase	Issuer	13	05/31/2019	Cash
Common	07/31/2019	ESPP Purchase	Issuer	3	07/31/2019	Cash
Common	01/31/2020	ESPP Purchase	Issuer	14	01/31/2020	Cash
Common	02/07/2020	Restricted Stock Vesting	Issuer	217	02/07/2020	Compensation
Common	01/29/2021	ESPP Purchase	Issuer	15	01/29/2021	Cash
Common	02/26/2021	ESPP Purchase	Issuer	15	02/26/2021	Cash
Common	03/31/2021	ESPP Purchase	Issuer	80	03/31/2021	Cash
Common	04/30/2021	ESPP Purchase	Issuer	14	04/30/2021	Cash
Common	05/28/2021	ESPP Purchase	Issuer	13	05/28/2021	Cash
Common	06/30/2021	ESPP Purchase	Issuer	2	06/30/2021	Cash
Common	01/31/2022	ESPP Purchase	Issuer	25	01/31/2022	Cash
Common	02/05/2022	Restricted Stock Vesting	Issuer	342	02/05/2022	Compensation
Common	02/28/2022	ESPP Purchase	Issuer	27	02/28/2022	Cash
Common	02/08/2025	Restricted Stock Vesting	Issuer	2050	02/08/2025	Compensation

* 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

08/05/2026

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

/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Beatriz Chavez Rodriguez

FORM 144