General Motors Co (GM) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-07-27 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: General Motors Co (GM) CIK: 0001467858 --- Reporting Owner --- Name: Barra Mary T CIK: 0001492154 Role: Director, Officer (Chair & CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-27 | Code: M (Exercise of derivative) Shares: +49,495 | Price: $52.16 Total Value: $2,581,659.20 Shares Owned After: 641,737 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-07-27 | Code: S (Open market sale) Shares: -49,495 | Price: $85.33 Total Value: $4,223,408.35 Shares Owned After: 592,242 | Ownership: D (Direct) Footnotes: [F1] The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $85.00 to $85.84, 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. [Transaction #3] Security: Common Stock Date: 2026-07-27 | Code: S (Open market sale) Shares: -54,866 | Price: $85.32 Total Value: $4,681,167.12 Shares Owned After: 537,376 | Ownership: D (Direct) Footnotes: [F1] The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $85.00 to $85.84, 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. [Transaction #4] Security: Common Stock Date: 2026-07-28 | Code: M (Exercise of derivative) Shares: +91,843 | Price: $41.40 Total Value: $3,802,300.20 Shares Owned After: 629,219 | Ownership: D (Direct) [Transaction #5] Security: Common Stock Date: 2026-07-28 | Code: S (Open market sale) Shares: -91,843 | Price: $90.38 Total Value: $8,300,770.34 Shares Owned After: 537,376 | Ownership: D (Direct) Footnotes: [F2] The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $90.00 to $90.79, 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. [Transaction #6] Security: Common Stock Date: 2026-07-28 | Code: M (Exercise of derivative) Shares: +69,564 | Price: $49.46 Total Value: $3,440,635.44 Shares Owned After: 606,940 | Ownership: D (Direct) [Transaction #7] Security: Common Stock Date: 2026-07-28 | Code: S (Open market sale) Shares: -69,564 | Price: $90.38 Total Value: $6,287,194.32 Shares Owned After: 537,376 | Ownership: D (Direct) Footnotes: [F2] The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $90.00 to $90.79, 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. [Transaction #8] Security: Common Stock Date: 2026-07-28 | Code: M (Exercise of derivative) Shares: +48,659 | Price: $52.16 Total Value: $2,538,053.44 Shares Owned After: 586,035 | Ownership: D (Direct) [Transaction #9] Security: Common Stock Date: 2026-07-28 | Code: S (Open market sale) Shares: -48,659 | Price: $90.38 Total Value: $4,397,800.42 Shares Owned After: 537,376 | Ownership: D (Direct) Footnotes: [F2] The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $90.00 to $90.79, 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. [Transaction #10] Security: Common Stock Date: 2026-07-28 | Code: S (Open market sale) Shares: -108,382 | Price: $90.38 Total Value: $9,795,565.16 Shares Owned After: 428,994 | Ownership: D (Direct) --- Derivative Transactions --- [Transaction #1] Security: Employee Stock Option (Right to Buy) Date: 2026-07-27 | Code: M (Exercise of derivative) Shares: -49,495 | Price: $0.00 Exercisable: N/A | Expires: 2031-02-18 Shares Owned After: 87,587 | Ownership: D (Direct) Footnotes: [F3] These stock options were granted on February 18, 2021 and are fully vested. [Transaction #2] Security: Employee Stock Option (Right to Buy) Date: 2026-07-28 | Code: M (Exercise of derivative) Shares: -91,843 | Price: $0.00 Exercisable: N/A | Expires: 2033-02-07 Shares Owned After: 73,474 | Ownership: D (Direct) Footnotes: [F4] These stock options were granted on February 7, 2023 and are fully vested. [Transaction #3] Security: Employee Stock Option (Right to Buy) Date: 2026-07-28 | Code: M (Exercise of derivative) Shares: -69,564 | Price: $0.00 Exercisable: N/A | Expires: 2032-02-08 Shares Owned After: 55,650 | Ownership: D (Direct) Footnotes: [F5] These stock options were granted on February 8, 2022, and are fully vested. [Transaction #4] Security: Employee Stock Option (Right to Buy) Date: 2026-07-28 | Code: M (Exercise of derivative) Shares: -48,659 | Price: $0.00 Exercisable: N/A | Expires: 2031-02-18 Shares Owned After: 38,928 | Ownership: D (Direct) Footnotes: [F3] These stock options were granted on February 18, 2021 and are fully vested. --- Footnotes (Complete Index) --- F1: The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $85.00 to $85.84, 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. F2: The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $90.00 to $90.79, 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. F3: These stock options were granted on February 18, 2021 and are fully vested. F4: These stock options were granted on February 7, 2023 and are fully vested. F5: These stock options were granted on February 8, 2022, and are fully vested. --- Signature --- /s/ /s/ Tia Y. Turk, Attorney-In-Fact for Ms. Barra (2026-07-29)