[144] General Motors Co SEC Filing

Rhea-AI Filing Summary

General Motors Co (GM) Form 144 filing details a proposed sale of 29,486 common shares to be executed through Morgan Stanley Smith Barney on 09/12/2025, with an aggregate market value of $1,731,123.06. The filer reports acquiring these shares on 09/12/2025 by exercising stock options and intends to pay with cash. The filing also lists recent sales by Mary Barra: 87,839 shares sold on 08/29/2025 for $5,106,081.07 and 907,024 shares sold under a 10b5-1 plan on 08/28/2025 for $52,824,805.65. The notice includes the filer’s representation that no undisclosed material adverse information is known and references reliance on Rule 10b5-1 where applicable.

Positive

• Clear disclosure of acquisition method (exercise of stock options) and planned sale date and broker details
• Transparency through reporting recent related sales by the insider, including 10b5-1 plan activity

Negative

• Significant insider selling disclosed in the same filing period: 907,024 shares and 87,839 shares sold, which produced $52,824,805.65 and $5,106,081.07 respectively
• Large absolute dollar proceeds from recent insider sales may be of interest to investors assessing insider liquidity trends

Insights

Corporate Governance Expert

TL;DR: Routine insider exercise and planned sale disclosed; recent large sales by CEO noted but appear executed via Rule 10b5-1 and routine reporting.

The filing documents a standard disclosure under Rule 144 for shares acquired by option exercise and proposed to be sold through a broker. The presence of sizable prior dispositions by the named executive (totaling 994,863 shares across two transactions) is material to shareholders only as factual context; the filing itself does not state any change in control, policy, or issuer fundamentals. The explicit representation about lack of undisclosed material information and the mention of 10b5-1 activity are governance best-practice indicators for orderly insider selling. This remains a compliance and transparency filing rather than a corporate-action filing.

Securities Analyst

TL;DR: The notice reports an option exercise and planned sale of ~29k shares ($1.73M) and discloses recent large sales by an insider totaling nearly $58M.

From a market-significance perspective, the proposed sale of 29,486 shares represents a small fraction of the issuer’s reported outstanding shares (952,077,801), and the transaction type—exercise followed by cash sale—suggests liquidity-driven disposition by the filer rather than a corporate signal. The earlier reported sales (87,839 and 907,024 shares) generated substantial gross proceeds and are material as publicly disclosed insider transactions; however, without additional issuer performance data in this filing, these are routine insider sales recorded for compliance and transparency.

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	29486	1731123.06	952077801	09/12/2025	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	09/12/2025	Exercise of Stock Options	Issuer			29486	09/12/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
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

What does the Form 144 filed for GM (GM) disclose?

The filing discloses a proposed sale of 29,486 common shares to be sold via Morgan Stanley on 09/12/2025, acquired the same day by exercise of stock options, with aggregate value $1,731,123.06.

Who previously sold GM shares recently according to this filing?

The filing shows Mary Barra sold 87,839 shares on 08/29/2025 for $5,106,081.07 and 907,024 shares under a 10b5-1 plan on 08/28/2025 for $52,824,805.65.

How were the 29,486 shares acquired?

The filer acquired the shares on 09/12/2025 by exercise of stock options and notes payment was made in cash.

Which broker will handle the proposed sale and on which exchange?

The broker listed is Morgan Stanley Smith Barney LLC and the sale is scheduled on the NYSE.

Does the filing state there is undisclosed material information?

By signing the notice the person represents they do not know any material adverse information about the issuer that has not been publicly disclosed.