Guyer William (CIK 1879013) reported 68 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-12). Recent activity: Buy CORT (16,300 shares), Sell CORT (11,530 shares), Sell CORT (4,770 shares), Buy CORT (3,700 shares), Sell CORT (3,700 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-12 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 16,300 | $352,895 |
| 2026-08-12 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 11,530 | $1.3M |
| 2026-08-12 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 4,770 | $543,957 |
| 2026-08-06 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 3,700 | $80,105 |
| 2026-08-06 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 3,700 | $418,562 |
| 2026-07-08 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 20,000 | $433,000 |
| 2026-07-08 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 19,048 | $1.8M |
| 2026-07-08 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 952 | $89,048 |
| 2026-06-04 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 20,000 | $433,000 |
| 2026-06-04 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 20,000 | $1.4M |
| 2026-06-03 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 877 | $61,776 |
| 2026-06-03 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 877 | $0 |
| 2026-05-07 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 20,000 | $433,000 |
| 2026-05-07 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 20,000 | $1.0M |
| 2026-04-08 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 20,000 | $433,000 |
| 2026-04-08 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 20,000 | $819,400 |
| 2026-03-24 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 11,767 | $254,756 |
| 2026-03-24 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 11,767 | $423,730 |
| 2026-03-06 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 8,233 | $178,244 |
| 2026-03-06 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 8,233 | $296,306 |
| 2026-03-04 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 498 | $17,913 |
| 2026-03-04 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 498 | $0 |
| 2026-02-05 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 20,000 | $433,000 |
| 2026-02-05 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Sell | 20,000 | $817,400 |
| 2026-01-08 | CORCEPT THERAPEUTICS INC (CORT) | Chief Development Officer | Buy | 20,000 | $433,000 |
Source: SEC Form 4 filings · as of 2026-08-12