[Form 4] General Motors Co Insider Trading Activity

Rhea-AI Filing Summary

Mary T. Barra, Chair & CEO of General Motors Co (GM), reported multiple equity and option transactions on 09/23/2025 and 09/24/2025. The filing shows purchases (reported as "M") and sales (reported as "S") of Common Stock and the acquisition of employee stock options. Reported Common Stock purchases include 23,818 shares at $39 on 09/23, and 181,696 shares at $39 plus 372,024 shares at $35.49 on 09/24. Reported sales include 23,818 shares at a weighted average of $59.90–$59.92 on 09/23 and multiple sales on 09/24 at weighted averages including $59.95 and up to $60.14. Following the transactions, the filing reports beneficial ownership of 433,527 shares held directly. The filing notes that certain employee stock options granted in 2019 and 2020 are fully vested.

Positive

• Filing discloses fully vested employee stock options from 2019 and 2020, clarifying exercisability
• Detailed footnotes provide weighted-average sale price ranges and offer to supply per-trade details upon request
• Reporting person retains a substantial direct holding of 433,527 shares following reported transactions

Negative

• Significant sales at ~ $59.90–$60.14 reduced direct holdings relative to earlier position levels
• Complex mix of buys, sells and option exercises may reduce clarity on the reporting person’s net economic exposure without further breakdown

Insights

Financial Analyst

TL;DR: Insider executed contemporaneous buys and sells, ending with 433,527 directly held shares; activity appears rebalancing rather than a clear directional signal.

The transactions show substantial volume across two days with purchases at $35.49–$39 and sales clustered near ~$59.90–$60.14. That spread indicates the reporting person exercised vested option positions and sold shares at higher market prices while also acquiring shares at lower exercised prices, a common executive liquidity and tax-management pattern. The filing confirms vested option grants from 2019 and 2020, but provides no commentary on intent or any change to board-level compensation policy. Impact on share count or dilution is immaterial to GM's total outstanding shares based on this filing alone.

Corporate Governance Expert

TL;DR: Transactions reflect routine insider option exercise and market sales paired with purchases; filings are complete and include footnote price ranges.

The Form 4 discloses multiple option exercises and concurrent market transactions, and includes explanatory footnotes clarifying weighted-average sale prices and vesting status. The signature by an attorney‑in‑fact is present. There are no disclosures of pledging, gifts, or related-party transfers. From a governance perspective, the filing meets disclosure requirements and shows no apparent procedural issues; it does not indicate any governance event or policy change.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Barra Mary T

(Last) (First) (Middle)

300 RENAISSANCE CENTER

M/C: 482-C24-A68

(Street)

DETROIT MI 48265-3000

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
General Motors Co [ GM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chair & CEO

3. Date of Earliest Transaction (Month/Day/Year)
09/23/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/23/2025		M		23,818	A	$39	657,345	D
Common Stock	09/23/2025		S		23,818	D	$59.9(1)	633,527	D
Common Stock	09/24/2025		M		181,696	A	$39	815,223	D
Common Stock	09/24/2025		S		181,696	D	$59.95(2)	633,527	D
Common Stock	09/24/2025		M		372,024	A	$35.49	1,005,551	D
Common Stock	09/24/2025		S		372,024	D	$59.95(2)	633,527	D
Common Stock	09/24/2025		S		200,000	D	$59.95(2)	433,527	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	$39	09/23/2025		M			23,818	(3)	02/13/2029	Common Stock	23,818	$0	181,696	D
Employee Stock Option (Right to Buy)	$39	09/24/2025		M			181,696	(3)	02/13/2029	Common Stock	181,696	$0	0	D
Employee Stock Option (Right to Buy)	$35.49	09/24/2025		M			372,024	(4)	02/12/2030	Common Stock	372,024	$0	0	D

Explanation of Responses:

1. The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $59.90 to $59.92, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote.

2. The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $59.90 to $60.14, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote.

3. These stock options were granted on February 13, 2019 and are fully vested.

4. These stock options were granted on February 12, 2020 and are fully vested.

Remarks:

	/s/ Tia Y. Turk, Attorney-In-Fact for Ms. Barra	09/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transactions did Mary T. Barra report on Form 4 for GM (symbol: GM)?

The Form 4 reports purchases and sales of Common Stock on 09/23/2025 and 09/24/2025, plus the acquisition/exercise of employee stock options. Specific reported trades include purchases at $39 and $35.49 and sales at weighted-average prices near $59.90–$60.14.

How many GM shares does Mary T. Barra beneficially own after these transactions?

The filing reports 433,527 shares beneficially owned directly following the reported transactions.

Were the disclosed stock options vested and what are their grant dates?

Yes. The filing states the options granted on 02/13/2019 and 02/12/2020 are fully vested.

What prices were reported for the sales of GM shares?

Footnotes state weighted-average selling prices. Sales on 09/23 were at weighted averages of $59.90–$59.92; sales on 09/24 were at weighted averages from $59.90 up to $60.14 and specifically noted $59.95 in some entries.

Who signed the Form 4 and when?

The Form 4 was signed by Tia Y. Turk, Attorney‑In‑Fact for Ms. Barra on 09/25/2025.