- Corporate Officers - B
- Barra Mary T
Insider Trading History of Barra Mary T
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Barra Mary T since 2015.
This trader's CIK number is 1492154.
At the time of last reporting, Barra Mary T was the Chair & CEO of General Motors Co. (stock ticker symbol GM).
Also see all insider trading activities at General Motors Co.
Note that in the past
Barra Mary T also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at General Dynamics Corp (GD) by Barra Mary T
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2017 | GD | 0 | $0 | 9,860 | $1,854,340 | 9,860 | $716,378 |
Yearly summary of insider trading at General Motors Co (GM) by Barra Mary T
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | GM | 0 | $0 | 994,863 | $57,931,158 | 649,754 | $22,608,608 |
| 2024 | GM | 0 | $0 | 1,966,269 | $96,106,760 | 1,066,269 | $39,043,293 |
| 2021 | GM | 0 | $0 | 1,303,027 | $75,679,808 | 1,007,707 | $31,414,805 |
| 2020 | GM | 0 | $0 | 1,750,000 | $74,494,045 | 1,600,000 | $50,111,999 |
| 2019 | GM | 0 | $0 | 0 | $0 | 39,095 | $0 |
| 2018 | GM | 0 | $0 | 0 | $0 | 65,642 | $0 |
| 2017 | GM | 0 | $0 | 0 | $0 | 41,373 | $0 |
| 2016 | GM | 0 | $0 | 0 | $0 | 35,192 | $0 |
| 2015 | GM | 0 | $0 | 0 | $0 | 137,895 | $0 |
Insider trading activities at 2 companies by Barra Mary T:
1. General Dynamics Corp (GD)
2. General Motors Co (GM)
Table 1. Insider trading of General Dynamics Corp (GD) by Barra Mary T
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2017-03-24 | GD | Option Ex | 9,860 | 72.66 | 716,378 |
| 2017-03-24 | GD | Sale | 9,860 | 188.07 | 1,854,340 |
Table 2. Insider trading of General Motors Co (GM) by Barra Mary T
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-08-28 | GM | Option Ex | 607,024 | 37.24 | 22,608,608 |
| 2025-08-28 | GM | Sale | 907,024 | 58.24 | 52,825,077 |
| 2025-08-29 | GM | Sale | 87,839 | 58.13 | 5,106,081 |
| 2025-02-06 | GM | Option Ex | 42,730 | .00 | 0 |
| 2024-11-11 | GM | Sale | 206,824 | 57.60 | 11,913,062 |
| 2024-11-11 | GM | Option Ex | 206,824 | 41.40 | 8,562,513 |
| 2024-10-23 | GM | Option Ex | 206,824 | 41.40 | 8,562,513 |
| 2024-10-23 | GM | Sale | 506,824 | 53.37 | 27,049,196 |
| 2024-06-10 | GM | Sale | 300,000 | 47.00 | 14,100,000 |
| 2024-06-11 | GM | Option Ex | 326,305 | 34.34 | 11,205,313 |
| 2024-06-11 | GM | Sale | 326,305 | 48.33 | 15,770,320 |
| 2024-05-28 | GM | Option Ex | 326,316 | 32.83 | 10,712,954 |
| 2024-05-28 | GM | Sale | 626,316 | 43.55 | 27,274,182 |
| 2021-04-01 | GM | Option Ex | 4,680 | .00 | 0 |
| 2021-03-22 | GM | Option Ex | 1,003,027 | 31.32 | 31,414,805 |
| 2021-03-22 | GM | Sale | 1,303,027 | 58.08 | 75,679,808 |
| 2020-11-23 | GM | Sale | 525,105 | 44.45 | 23,340,917 |
| 2020-11-23 | GM | Option Ex | 525,105 | 31.32 | 16,446,288 |
| 2020-11-18 | GM | Option Ex | 74,895 | 31.32 | 2,345,711 |
| 2020-11-18 | GM | Sale | 174,895 | 44.01 | 7,697,128 |
| 2020-11-16 | GM | Option Ex | 500,000 | 31.32 | 15,660,000 |
| 2020-11-16 | GM | Sale | 550,000 | 42.02 | 23,111,000 |
| 2020-11-11 | GM | Option Ex | 500,000 | 31.32 | 15,660,000 |
| 2020-11-11 | GM | Sale | 500,000 | 40.69 | 20,345,000 |
| 2019-02-10 | GM | Option Ex | 39,095 | .00 | 0 |
| 2018-02-10 | GM | Option Ex | 39,096 | .00 | 0 |
| 2018-02-11 | GM | Option Ex | 26,546 | .00 | 0 |
| 2017-02-13 | GM | Option Ex | 35,574 | .00 | 0 |
| 2016-12-31 | GM | Option Ex | 5,799 | .00 | 0 |
| 2016-09-30 | GM | Option Ex | 6,579 | .00 | 0 |
| 2016-06-30 | GM | Option Ex | 7,115 | .00 | 0 |
| 2016-03-31 | GM | Option Ex | 8,327 | .00 | 0 |
| 2015-12-31 | GM | Option Ex | 13,171 | .00 | 0 |
| 2015-09-30 | GM | Option Ex | 15,673 | .00 | 0 |
| 2015-06-30 | GM | Option Ex | 17,734 | .00 | 0 |
| 2015-03-31 | GM | Option Ex | 16,950 | .00 | 0 |
| 2015-03-15 | GM | Option Ex | 13,343 | .00 | 0 |
| 2015-03-01 | GM | Option Ex | 29,499 | .00 | 0 |
| 2015-02-13 | GM | Option Ex | 23,071 | .00 | 0 |
| 2014-12-31 | GM | Option Ex | 21,625 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Barra Mary T
(Chair & CEO of General Motors Co at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.