The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Guyer William since 2023.
This trader's CIK number is 1879013.
At the time of last reporting, Guyer William was the Chief Development Officer of Corcept Therapeutics Inc. (stock ticker symbol CORT).
Also see all insider trading activities at Corcept Therapeutics Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | CORT | 0 | $0 | 140,000 | $9,919,529 | 140,000 | $2,983,198 |
| 2024 | CORT | 0 | $0 | 90,000 | $3,297,099 | 90,000 | $1,852,899 |
| 2023 | CORT | 0 | $0 | 10,000 | $320,000 | 10,000 | $192,600 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-02 | CORT | Option Ex | 20,000 | 21.65 | 433,000 |
| 2025-09-02 | CORT | Sale | 20,000 | 70.62 | 1,412,400 |
| 2025-08-08 | CORT | Option Ex | 35,007 | 21.65 | 757,901 |
| 2025-08-08 | CORT | Sale | 35,007 | 71.77 | 2,512,452 |
| 2025-08-05 | CORT | Sale | 14 | 71.77 | 1,004 |
| 2025-08-05 | CORT | Option Ex | 14 | 21.65 | 303 |
| 2025-07-17 | CORT | Option Ex | 4,379 | 21.65 | 94,805 |
| 2025-07-18 | CORT | Option Ex | 500 | 21.65 | 10,825 |
| 2025-07-17 | CORT | Sale | 4,379 | 73.48 | 321,773 |
| 2025-07-18 | CORT | Sale | 500 | 73.44 | 36,721 |
| 2025-07-01 | CORT | Sale | 100 | 73.50 | 7,350 |
| 2025-07-01 | CORT | Option Ex | 100 | 21.65 | 2,165 |
| 2025-06-10 | CORT | Option Ex | 20,000 | 21.65 | 433,000 |
| 2025-06-10 | CORT | Sale | 20,000 | 72.56 | 1,451,140 |
| 2025-05-16 | CORT | Sale | 32,262 | 74.17 | 2,393,001 |
| 2025-05-16 | CORT | Option Ex | 32,262 | 21.65 | 698,472 |
| 2025-05-06 | CORT | Option Ex | 7,060 | 21.65 | 152,849 |
| 2025-05-06 | CORT | Sale | 7,060 | 74.31 | 524,649 |
| 2025-04-01 | CORT | Option Ex | 678 | 21.65 | 14,678 |
| 2025-04-01 | CORT | Sale | 678 | 114.51 | 77,639 |
| 2025-03-04 | CORT | Option Ex | 20,000 | 19.26 | 385,200 |
| 2025-03-04 | CORT | Sale | 20,000 | 59.07 | 1,181,400 |
| 2024-11-04 | CORT | Sale | 3,394 | 48.97 | 166,204 |
| 2024-11-04 | CORT | Option Ex | 3,394 | 21.65 | 73,480 |
| 2024-11-01 | CORT | Sale | 6,606 | 48.97 | 323,495 |
| 2024-11-01 | CORT | Option Ex | 6,606 | 21.65 | 143,019 |
| 2024-10-01 | CORT | Sale | 10,000 | 46.28 | 462,800 |
| 2024-10-01 | CORT | Option Ex | 10,000 | 21.65 | 216,500 |
| 2024-09-03 | CORT | Option Ex | 10,000 | 21.65 | 216,500 |
| 2024-09-03 | CORT | Sale | 10,000 | 35.30 | 353,000 |
| 2024-08-01 | CORT | Sale | 10,000 | 38.67 | 386,700 |
| 2024-08-01 | CORT | Option Ex | 10,000 | 21.65 | 216,500 |
| 2024-07-01 | CORT | Option Ex | 10,000 | 21.65 | 216,500 |
| 2024-07-01 | CORT | Sale | 10,000 | 32.49 | 324,900 |
| 2024-06-03 | CORT | Option Ex | 10,000 | 19.26 | 192,600 |
| 2024-06-03 | CORT | Sale | 10,000 | 32.00 | 320,000 |
| 2024-05-28 | CORT | Option Ex | 30,000 | 19.26 | 577,800 |
| 2024-05-28 | CORT | Sale | 30,000 | 32.00 | 960,000 |
| 2023-12-22 | CORT | Option Ex | 10,000 | 19.26 | 192,600 |
| 2023-12-22 | CORT | Sale | 10,000 | 32.00 | 320,000 |
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 Guyer William (Chief Development Officer of Corcept Therapeutics Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.