GM insider filings show option exercise and recent 10b5-1 sales totaling $59.4M

Rhea-AI Filing Summary

General Motors Co (GM) Form 144 notice reports a proposed sale of 23,818 common shares through Morgan Stanley Smith Barney on 09/23/2025, with an aggregate market value of $1,402,403.84. The shares were acquired the same day by exercise of stock options and paid in cash. The filing lists recent sales by the same account or person in the prior three months: 09/12/2025 sale of 29,486 shares for $1,766,694.97, 08/29/2025 sale of 87,839 shares for $5,106,081.07, and 08/28/2025 sale of 907,024 shares for $52,824,805.65. The filing includes a representation regarding absence of undisclosed material adverse information.

Positive

• Filing complies with Rule 144 disclosure requirements, showing transparency about proposed sales
• Use of 10b5-1 plans for prior transactions indicates prearranged, compliant insider trading arrangements

Negative

• Insider sales totaling 1,024,349 shares in the past three months produced $59,397,581.69 in gross proceeds, which may attract investor attention despite being small versus outstanding shares
• Remarks section lacks explicit plan adoption or instruction dates in this extracted content

Insights

Securities Analyst

TL;DR: Routine insider sale notice showing option exercise and scheduled sale; recent sizable dispositions were executed under 10b5-1 plans.

The Form 144 documents a proposed sale of 23,818 shares resulting from an option exercise and immediate cash payment, filed with a broker for sale on 09/23/2025. The filing also discloses three prior sales in the past three months totaling 1,024,349 shares and roughly $59.4 million in gross proceeds, including transactions labeled as 10b5-1. For investors, these items signal insider liquidity activity but not necessarily a material change to company fundamentals given the large share base of 952,077,801 outstanding shares. The filing demonstrates compliance with Rule 144 disclosure requirements.

Corporate Governance Expert

TL;DR: Disclosure aligns with regulatory expectations; presence of 10b5-1 sales suggests prearranged trading plans.

The notice shows the filer relied on standard mechanisms: exercising options and selling through a broker with disclosed 10b5-1 sales in August and September 2025. The representation that the filer is unaware of undisclosed material adverse information is included, as required. The pattern—option exercise followed by planned sales—reflects routine executive liquidity and adherence to compliance frameworks rather than an unplanned insider divestiture. Documentation appears complete for Rule 144 purposes, though the filing lacks explicit dates for plan adoption in the Remarks section.

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	23818	1402403.84	952077801	09/23/2025	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	09/23/2025	Exercise of Stock Options	Issuer			23818	09/23/2025	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
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

What does GM's Form 144 filed for 09/23/2025 report?

The notice reports a proposed sale of 23,818 common shares through Morgan Stanley on 09/23/2025 with an aggregate market value of $1,402,403.84.

How were the 23,818 GM shares acquired?

The shares were acquired on 09/23/2025 by exercise of stock options and paid for in cash.

Have there been recent insider sales by the same person or account?

Yes. The filing lists three sales in the prior three months: 09/12/2025 29,486 shares for $1,766,694.97; 08/29/2025 87,839 shares for $5,106,081.07; and 08/28/2025 907,024 shares for $52,824,805.65.

Who is identified in prior sales in this filing?

Prior sales are listed for MARY BARRA at 300 Renaissance Center, Detroit, MI, including transactions labeled as 10b5-1 sales.

What is the company's share count used in the filing?

The filing shows 952,077,801 shares outstanding for the issuer.