General Motors insider sale notice: 753,720 shares, Morgan Stanley broker

Rhea-AI Filing Summary

Form 144 filed for General Motors Co (GM) shows a proposed sale of 753,720 common shares through Morgan Stanley Smith Barney LLC on the NYSE with an aggregate market value of $44,152,917.60, and an approximate sale date of 09/24/2025. The filing reports that 553,720 of those shares were acquired the same day by exercise of stock options and 200,000 were acquired on 02/11/2017 as RSU/PSU awards. The filing also discloses multiple recent sales by Mary Barra, including four transactions between 08/28/2025 and 09/23/2025 totaling 1,057,167 shares and gross proceeds shown per trade.

Positive

• Proposed sale is transparent: the filing specifies number of shares, acquisition dates, nature of acquisition, broker, exchange, and aggregate market value
• Some shares acquired via RSU/PSU: 200,000 shares shown as awarded on 02/11/2017, indicating long-held equity from compensation

Negative

• Large recent insider sales disclosed: four transactions by Mary Barra from 08/28/2025 to 09/23/2025 totaling 1,057,167 shares with substantial gross proceeds
• Significant proposed sale size: 753,720 shares valued at $44,152,917.60 could contribute to near-term selling pressure depending on market absorption

Insights

Financial Analyst

TL;DR: Large insider selling is disclosed, increasing outstanding supply but exact impact on valuation is unclear from this filing alone.

The Form 144 reports a proposed sale of 753,720 shares valued at $44.15 million and documents multiple recent dispositions by Mary Barra totaling 1,057,167 shares across August and September 2025. From a liquidity and market-impact perspective, the filing is material because it quantifies the shares and proceeds and names the executing broker. This information helps estimate potential near-term selling pressure but does not include context on holdings after sales, intent beyond the transactions, or any company operational data.

Corporate Governance Expert

TL;DR: Repeated scheduled insider sales raise governance and signal questions about insider disposition but contain no admission of undisclosed information.

The filing confirms reliance on Rule 144 mechanics and lists recent 10b5-1 sales and open proposed sales. Multiple large sales by the CEO and the notice’s representation that the signer does not possess undisclosed material information are standard but noteworthy when clustered in a short window. The filing lacks the 10b5-1 plan adoption date in the visible remarks, which would clarify whether sales were pre-planned. Governance implications hinge on whether these were pre-arranged programmatic trades or discretionary sales; the document provides evidence of both types (10b5-1 and direct sales) but does not specify plan dates.

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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	753720	44152917.60	952077801	09/24/2025	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	09/24/2025	Exercise of Stock Options	Issuer			553720	09/24/2025	Cash
Common	02/11/2017	RSU/PSU	Issuer			200000	02/11/2017	N/A

* 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
10b5-1 Sales for MARY BARRA 300 RENAISSANCE CENTER DETROIT MI 48265	Common	09/23/2025	23818	1426724.40
10b5-1 Sales for MARY BARRA 300 RENAISSANCE CENTER DETROIT MI 48265	Common	09/12/2025	29486	1766694.97
MARY BARRA 300 RENAISSANCE CENTER DETROIT MI 48265	Common	08/29/2025	87839	5106081.07
10b5-1 Sales for MARY BARRA 300 RENAISSANCE CENTER DETROIT MI 48265	Common	08/28/2025	907024	52824805.65

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 GM (GM) shares are proposed for sale in this Form 144?

The notice proposes sale of 753,720 common shares.

What is the aggregate market value of the proposed sale?

The filing lists an aggregate market value of $44,152,917.60 for the 753,720 shares.

Who is the executing broker and on which exchange will the shares be sold?

The broker is Morgan Stanley Smith Barney LLC and the exchange listed is the NYSE.

What part of the shares were newly acquired and by what method?

The filing shows 553,720 shares acquired on 09/24/2025 by exercise of stock options and 200,000 shares acquired on 02/11/2017 as RSU/PSU awards.

Has the filer sold shares recently prior to this proposed sale?

Yes. The filing discloses four prior sales by Mary Barra between 08/28/2025 and 09/23/2025 totaling 1,057,167 shares with reported gross proceeds per trade.

Does the filing state a 10b5-1 plan adoption date?

The filing includes references to 10b5-1 sales but does not provide a visible plan adoption date in the remarks section.