Cynthia J. Brinkley serves as Executive at General Motors Co, where they oversee executive responsibilities. Since joining the company, Cynthia J. Brinkley has executed 43 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Jan 5, 2026 involved receiving (via award) 1,686 shares valued at $0.
Cynthia J. Brinkley currently holds 13,494 shares of General Motors Co (GM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Cynthia J. Brinkley has been a net neutral trader of GM stock. They have purchased $0 and sold $0 worth of shares.
Cynthia J. Brinkley's most recent insider trade was on Jan 5, 2026, when they sold 1,686 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jan 3, 2024 | AEE | $0 | Award | 2,028 | $N/A | Discretionary |
| Jan 3, 2023 | AEE | $0 | Award | 1,696 | $N/A | Discretionary |
| Jan 3, 2022 | AEE | $0 | Award | 1,694 | $N/A | Discretionary |
| Jan 4, 2021 | ENR | $0 | Option Exercise | 2,987 | $N/A | Discretionary |
| Jan 2, 2021 | AEE | $0 | Award | 1,858 | $N/A | Discretionary |
| Jan 2, 2020 | ENR | $0 | Option Exercise | 2,460 | $N/A | Discretionary |
| Jan 2, 2020 | AEE | $0 | Award | 1,907 | $N/A | Discretionary |
| Dec 3, 2019 | AEE | $0 | Award | 146 | $N/A | Discretionary |
| Feb 5, 2019 | CNC | $695.8K | Award | 24,500 | $28.40 | Discretionary |
| Feb 5, 2019 | CNC | $2.2M | Payment | 33,384 | $64.99 | Discretionary |
| Jan 2, 2019 | ENR | $0 | Option Exercise | 2,298 | $N/A | Discretionary |
| Dec 15, 2018 | CNC | $481.0K | Payment | 3,772 | $127.53 | Discretionary |
| Dec 13, 2018 | CNC | $405.2K | Payment | 3,017 | $134.29 | Discretionary |
| Dec 12, 2018 | CNC | $288.5K | Payment | 2,172 | $132.83 | Discretionary |
| Jan 3, 2018 | ENR | $0 | Option Exercise | 2,391 | $N/A | Discretionary |
| Dec 15, 2017 | CNC | $395.7K | Payment | 3,996 | $99.02 | Discretionary |
| Dec 13, 2017 | CNC | $322.4K | Payment | 3,197 | $100.86 | Discretionary |
| Dec 12, 2017 | CNC | $4.5M | Award | 45,000 | $99.70 | Discretionary |
| Dec 9, 2017 | CNC | $486.0K | Payment | 4,796 | $101.34 | Discretionary |
| Nov 10, 2017 | CNC | $596.4K | Payment | 6,394 | $93.28 | Discretionary |
| Jan 4, 2017 | ENR | $0 | Option Exercise | 3,171 | $N/A | Discretionary |
| Dec 15, 2016 | CNC | $224.3K | Payment | 3,996 | $56.14 | Discretionary |
| Dec 13, 2016 | CNC | $2.8M | Award | 50,000 | $56.26 | Discretionary |
| Dec 9, 2016 | CNC | $273.1K | Payment | 4,796 | $56.94 | Discretionary |
| Nov 10, 2016 | CNC | $345.5K | Payment | 6,393 | $54.05 | Discretionary |
| Feb 9, 2016 | CNC | $92.3K | Payment | 1,719 | $53.72 | Discretionary |
| Dec 15, 2015 | CNC | $2.8M | Award | 50,000 | $56.80 | Discretionary |
| Dec 9, 2015 | CNC | $137.6K | Payment | 2,398 | $57.40 | Discretionary |