Insider Trading Arrangements |
3 Months Ended |
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Sep. 30, 2026
shares
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| Trading Arrangements, by Individual | |
| Material Terms of Trading Arrangement | During the three months ended September 30, 2026, the following directors or officers of the Company adopted a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408 of Regulation S-K: (1) on August 5, 2026, Rory V. Harvey, Executive Vice President and President, Global Markets, adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 16,513 shares of GM common stock between November 4, 2026 and February 28, 2027, subject to certain conditions; and (2) on August 19, 2026, Paul A. Jacobson, Executive Vice President and Chief Financial Officer, adopted a trading plan intended to satisfy Rule 10b5-1(c) to sell up to 150,000 shares of GM common stock between November 18, 2026 and February 5, 2027, subject to certain conditions.
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| Non-Rule 10b5-1 Arrangement Adopted | false |
| Rule 10b5-1 Arrangement Terminated | false |
| Non-Rule 10b5-1 Arrangement Terminated | false |
| Rory V. Harvey [Member] | |
| Trading Arrangements, by Individual | |
| Name | Rory V. Harvey |
| Title | Executive Vice President and President, Global Markets |
| Rule 10b5-1 Arrangement Adopted | true |
| Adoption Date | August 5, 2026 |
| Expiration Date | February 28, 2027 |
| Arrangement Duration | 116 days |
| Aggregate Available | 16,513 |
| Paul A. Jacobson [Member] | |
| Trading Arrangements, by Individual | |
| Name | Paul A. Jacobson |
| Title | Executive Vice President and Chief Financial Officer |
| Rule 10b5-1 Arrangement Adopted | true |
| Adoption Date | August 19, 2026 |
| Expiration Date | February 5, 2027 |
| Arrangement Duration | 79 days |
| Aggregate Available | 150,000 |