MMM Form 144: Insider plans $524K sale of 3M stock on Aug 5 2025

Rhea-AI Filing Summary

3M Company (MMM) – Form 144 notice details a proposed insider sale of 3,477 common shares through Fidelity Brokerage Services, valued at $523,740.51 based on the filing’s reference price. The transaction is slated to begin on 05 Aug 2025 on the NYSE.

The shares equate to roughly 0.0007 % of 3M’s 532,629,702 shares outstanding, indicating an immaterial impact on the public float. The seller obtained the stock via three restricted-stock vesting events on 29 Jun 2024 (1,911 sh), 04 Feb 2025 (566 sh) and 03 May 2025 (1,000 sh). No sales were reported during the prior three-month period. Standard representations affirm the filer’s lack of undisclosed adverse information.

Positive

• None.

Negative

• Insider disposition: Planned sale of 3,477 shares (~$523.7 k) could be viewed as a modest negative signal, albeit immaterial to MMM’s float.

Insights

Financial Analyst

TL;DR: Minor insider sale—$524k, <0.001 % float—neutral to slight negative signal.

The Form 144 indicates an executive or affiliate intends to liquidate recently vested restricted stock. While insider sales can raise concern, the quantity—3,477 shares—barely moves the ownership needle against a 532 million-share base. No pattern of continuous selling is evident, as the filer reported no prior-quarter disposals. Absent additional context such as the insider’s total holdings, the transaction appears routine diversification rather than a thesis-changing event. I rate the filing not impactful for valuation or liquidity.

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	3477	523740.51	532629702	08/05/2025	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	06/29/2024	Restricted Stock Vesting	Issuer			1911	06/29/2024	Compensation
Common	02/04/2025	Restricted Stock Vesting	Issuer			566	02/04/2025	Compensation
Common	05/03/2025	Restricted Stock Vesting	Issuer			1000	05/03/2025	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

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

How many 3M (MMM) shares are being sold under this Form 144?

The notice covers 3,477 common shares.

What is the market value of the proposed MMM share sale?

The aggregate value cited is $523,740.51.

When is the approximate sale date for the MMM shares?

The filer lists an approximate sale date of 05 Aug 2025.

How were the shares being sold originally acquired?

All shares stem from restricted-stock vesting events occurring on 29 Jun 2024, 04 Feb 2025 and 03 May 2025.

What percentage of 3M’s shares outstanding does this sale represent?

Roughly 0.0007 % of the 532.6 million shares outstanding.

Were any MMM shares sold by the filer in the past three months?

The filing states "Nothing to Report" for prior three-month sales.