William Guyer serves as Executive at CORCEPT THERAPEUTICS INC, where they oversee executive responsibilities. Since joining the company, William Guyer has executed 55 insider transactions totaling $13.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 3, 2026 involved exercising options for 20,000 shares valued at $0.
William Guyer currently holds 230,000 shares of CORCEPT THERAPEUTICS INC (CORT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William Guyer has been a net seller of CORT stock. They have purchased $0 and sold $13.8M worth of shares.
William Guyer's most recent insider trade was on Feb 3, 2026, when they sold 20,000 shares at $0.00 per share.
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| $40.87 |
| Discretionary |
| Feb 3, 2026 | CORT | $433.0K | Option Exercise | 20,000 | $21.65 | Discretionary |
| Jan 6, 2026 | CORT | $0 | Option Exercise | 20,000 | $N/A | Discretionary |
| Jan 6, 2026 | CORT | $703.7K | Sale | 20,000 | $35.18 | Discretionary |
| Jan 6, 2026 | CORT | $433.0K | Option Exercise | 20,000 | $21.65 | Discretionary |
| Dec 2, 2025 | CORT | $0 | Gift | 787 | $N/A | Discretionary |
| Dec 2, 2025 | CORT | $433.0K | Option Exercise | 20,000 | $21.65 | Discretionary |
| Dec 2, 2025 | CORT | $1.5M | Sale | 19,360 | $80.05 | Discretionary |
| Dec 2, 2025 | CORT | $51.8K | Sale | 640 | $80.88 | Discretionary |
| Dec 2, 2025 | CORT | $0 | Other | 787 | $N/A | Discretionary |
| Dec 1, 2025 | CORT | $0 | Award | 224 | $N/A | Discretionary |
| Dec 1, 2025 | CORT | $17.9K | Award | 224 | $79.78 | Discretionary |
| Nov 25, 2025 | CORT | $364.1K | Sale | 4,500 | $80.90 | Discretionary |
| Nov 25, 2025 | CORT | $364.1K | Sale | 4,500 | $80.90 | Discretionary |
| Nov 17, 2025 | CORT | $0 | Gift | 5,287 | $N/A | Discretionary |
| Nov 17, 2025 | CORT | $0 | Other | 5,287 | $N/A | Discretionary |
| Nov 5, 2025 | CORT | $995.7K | Sale | 13,164 | $75.64 | Discretionary |
| Nov 5, 2025 | CORT | $488.6K | Sale | 6,536 | $74.75 | Discretionary |
| Nov 5, 2025 | CORT | $433.0K | Option Exercise | 20,000 | $21.65 | Discretionary |
| Nov 5, 2025 | CORT | $22.9K | Sale | 300 | $76.28 | Discretionary |
| Oct 7, 2025 | CORT | $1.8M | Sale | 20,000 | $89.94 | Discretionary |
| Oct 7, 2025 | CORT | $433.0K | Option Exercise | 20,000 | $21.65 | Discretionary |
| Sep 19, 2025 | CORT | $0 | Gift | 200 | $N/A | Discretionary |
| Sep 2, 2025 | CORT | $1.1M | Sale | 15,594 | $70.39 | Discretionary |
| Sep 2, 2025 | CORT | $433.0K | Option Exercise | 20,000 | $21.65 | Discretionary |
| Sep 2, 2025 | CORT | $312.2K | Sale | 4,406 | $70.85 | Discretionary |
| Aug 8, 2025 | CORT | $2.5M | Sale | 35,007 | $71.77 | Discretionary |
| Aug 8, 2025 | CORT | $757.9K | Option Exercise | 35,007 | $21.65 | Discretionary |
| Aug 5, 2025 | CORT | $1.0K | Sale | 14 | $71.77 | Discretionary |