Guyer William
SEC CIK 1879013 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CORT | CORCEPT THERAPEUTICS INC | Chief Development Off | 4,313 | — | $28.81M | 80 | 2022-09-01 | 2026-09-01 |
Most active insiders at CORT, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Maduck Sean | See Remarks | — | $23.27M |
| 2 | Mokari Atabak | CFO | — | $18.73M |
| 3 | Guyer William | Chief Development Off | — | $15.27M |
| 4 | MAHONEY DAVID L | Dir | — | $13.94M |
| 5 | BELANOFF JOSEPH K | CEO, Dir | — | $13.79M |
| 6 | Vieira Roberto Wandenkolk | Pres, Oncology | — | $6.49M |
| 7 | WILSON JAMES N | Dir | — | $3.94M |
| 8 | BAKER G LEONARD JR | Dir | $3.31M | — |
| 9 | Park Kimberly | Dir | — | $3.27M |
| 10 | Lyon Joseph Douglas | See Remarks | — | $2.83M |
Transactions 80
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-09-03 21:16 | 2026-09-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $56.69 | +328 | 4,313 | +8% | +$18.6K |
| DT | 2026-08-12 16:26 | 2026-08-10 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +16.3K | 20.3K | +409% | +$352.9K |
| DMT | 2026-08-12 16:26 | 2026-08-10 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $113.43 | -16.3K | 3,985 | -80% | -$1.85M |
| DT | 2026-08-06 18:44 | 2026-08-04 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +3,700 | 7,685 | +93% | +$80.1K |
| DT | 2026-08-06 18:44 | 2026-08-04 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $113.12 | -3,700 | 3,985 | -48% | -$418.6K |
| DT | 2026-07-08 19:54 | 2026-07-07 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 24.0K | +502% | +$433.0K |
| DMT | 2026-07-08 19:54 | 2026-07-07 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $93.13 | -20.0K | 3,985 | -83% | -$1.86M |
| DT | 2026-06-04 16:49 | 2026-06-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 24.0K | +502% | +$433.0K |
| DT | 2026-06-04 16:49 | 2026-06-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $70.60 | -20.0K | 3,985 | -83% | -$1.41M |
| M | 2026-06-03 19:24 | 2026-06-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $35.22 | +1,754 | 3,985 | +79% | +$61.8K |
| DT | 2026-05-07 16:30 | 2026-05-05 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 22.2K | +896% | +$433.0K |
| DT | 2026-05-07 16:30 | 2026-05-05 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $51.83 | -20.0K | 2,231 | -90% | -$1.04M |
| DT | 2026-04-08 19:34 | 2026-04-07 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 22.2K | +896% | +$433.0K |
| DT | 2026-04-08 19:34 | 2026-04-07 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $40.97 | -20.0K | 2,231 | -90% | -$819.4K |
| DT | 2026-03-24 | 2026-03-20 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +11.8K | 14.0K | +527% | +$254.8K |
| DT | 2026-03-24 | 2026-03-20 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $36.01 | -11.8K | 2,231 | -84% | -$423.7K |
| DT | 2026-03-06 | 2026-03-04 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $35.99 | -8,233 | 2,231 | -79% | -$296.3K |
| DT | 2026-03-06 | 2026-03-04 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +8,233 | 10.5K | +369% | +$178.2K |
| M | 2026-03-04 | 2026-03-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $17.98 | +996 | 1,733 | +135% | +$17.9K |
| DT | 2026-02-05 | 2026-02-03 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $40.87 | -20.0K | 1,235 | -94% | -$817.4K |
| DT | 2026-02-05 | 2026-02-03 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 21.2K | +1,619% | +$433.0K |
| DT | 2026-01-08 | 2026-01-06 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 21.2K | +1,619% | +$433.0K |
| DT | 2026-01-08 | 2026-01-06 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $35.18 | -20.0K | 1,235 | -94% | -$703.6K |
| DT | 2025-12-03 | 2025-12-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | J - Other | $0.00 | +787 | 1,235 | +176% | $0 |
| DMT | 2025-12-03 | 2025-12-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $39.89 | +448 | 448 | New | +$17.9K |
| DMT | 2025-12-03 | 2025-12-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $80.08 | -20.0K | 1,875 | -91% | -$1.60M |
| DT | 2025-12-03 | 2025-12-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 21.2K | +1,619% | +$433.0K |
| DTI | 2025-12-03 | 2025-12-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | G - Gift | $0.00 | -787 | 0 | -100% | $0 |
| AI | 2025-12-03 | 2025-11-17 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | J - Other | $0.00 | +5,287 | 5,287 | New | $0 |
| A | 2025-12-03 | 2025-11-17 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | G - Gift | $0.00 | -5,287 | 0 | -100% | $0 |
| AI | 2025-12-03 | 2025-11-25 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale | $80.90 | -4,500 | 787 | -85% | -$364.1K |
| 2025-11-26 | 2025-11-25 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale | $80.90 | -4,500 | 787 | -85% | -$364.1K | |
| DMT | 2025-11-07 | 2025-11-05 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $75.36 | -20.0K | 5,587 | -78% | -$1.51M |
| DT | 2025-11-07 | 2025-11-05 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 25.3K | +378% | +$433.0K |
| DT | 2025-10-09 | 2025-10-07 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 25.3K | +378% | +$433.0K |
| DT | 2025-10-09 | 2025-10-07 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $89.94 | -20.0K | 5,287 | -79% | -$1.80M |
| 2025-09-23 | 2025-09-19 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | G - Gift | $0.00 | -200 | 5,287 | -4% | $0 | |
| DMT | 2025-09-04 | 2025-09-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $70.49 | -20.0K | 9,893 | -67% | -$1.41M |
| DT | 2025-09-04 | 2025-09-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 25.5K | +364% | +$433.0K |
| DT | 2025-08-12 | 2025-08-08 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +35.0K | 40.5K | +638% | +$757.9K |
| DT | 2025-08-12 | 2025-08-08 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $71.77 | -35.0K | 5,487 | -86% | -$2.51M |
| DT | 2025-08-07 | 2025-08-05 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +14 | 5,501 | +0.3% | +$303.10 |
| DT | 2025-08-07 | 2025-08-05 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $71.77 | -14 | 5,487 | -0.3% | -$1,005 |
| DMT | 2025-07-21 | 2025-07-17+ | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $73.48 | -4,879 | 5,487 | -47% | -$358.5K |
| DMT | 2025-07-21 | 2025-07-17+ | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +4,879 | 9,866 | +98% | +$105.6K |
| DT | 2025-07-03 | 2025-07-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $73.51 | -100 | 5,487 | -2% | -$7,351 |
| DT | 2025-07-03 | 2025-07-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +100 | 5,587 | +2% | +$2,165 |
| DT | 2025-06-12 | 2025-06-10 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +20.0K | 25.5K | +364% | +$433.0K |
| DMT | 2025-06-12 | 2025-06-10 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $72.42 | -20.0K | 8,569 | -70% | -$1.45M |
| DT | 2025-05-20 | 2025-05-16 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $74.17 | -32.3K | 5,487 | -85% | -$2.39M |
| DT | 2025-05-20 | 2025-05-16 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +32.3K | 37.7K | +588% | +$698.5K |
| DT | 2025-05-08 | 2025-05-06 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +7,060 | 12.5K | +129% | +$152.8K |
| DT | 2025-05-08 | 2025-05-06 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $74.31 | -7,060 | 5,487 | -56% | -$524.6K |
| DT | 2025-04-02 | 2025-04-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $114.51 | -678 | 5,487 | -11% | -$77.6K |
| DT | 2025-04-02 | 2025-04-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +678 | 6,165 | +12% | +$14.7K |
| DT | 2025-03-04 | 2025-03-04 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $59.07 | -20.0K | 5,487 | -78% | -$1.18M |
| DT | 2025-03-04 | 2025-03-04 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $19.26 | +20.0K | 25.5K | +364% | +$385.2K |
| 2024-12-04 | 2024-12-02 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | F - Tax | $57.68 | -309 | 5,487 | -5% | -$17.8K | |
| DMT | 2024-11-05 | 2024-11-01+ | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $48.97 | -10.0K | 5,796 | -63% | -$489.7K |
| DMT | 2024-11-05 | 2024-11-01+ | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +10.0K | 12.4K | +416% | +$216.5K |
| DT | 2024-10-03 | 2024-10-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +10.0K | 15.8K | +173% | +$216.5K |
| DT | 2024-10-03 | 2024-10-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $46.28 | -10.0K | 5,796 | -63% | -$462.8K |
| DT | 2024-09-05 | 2024-09-03 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | F - Tax | $35.30 | -243 | 5,796 | -4% | -$8,578 |
| DT | 2024-09-05 | 2024-09-03 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +10.0K | 16.0K | +166% | +$216.5K |
| DT | 2024-09-05 | 2024-09-03 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $35.30 | -10.0K | 6,039 | -62% | -$353.0K |
| DT | 2024-08-05 | 2024-08-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +10.0K | 16.0K | +166% | +$216.5K |
| DT | 2024-08-05 | 2024-08-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $38.67 | -10.0K | 6,039 | -62% | -$386.7K |
| DT | 2024-07-03 | 2024-07-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $21.65 | +10.0K | 16.0K | +166% | +$216.5K |
| DT | 2024-07-03 | 2024-07-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $32.49 | -10.0K | 6,039 | -62% | -$324.9K |
| DT | 2024-06-05 | 2024-06-03 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $32.00 | -10.0K | 6,039 | -62% | -$320.0K |
| DT | 2024-06-05 | 2024-06-03 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $19.26 | +10.0K | 16.0K | +166% | +$192.6K |
| DT | 2024-05-30 | 2024-05-28 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $32.00 | -30.0K | 6,039 | -83% | -$960.0K |
| DT | 2024-05-30 | 2024-05-28 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $19.26 | +30.0K | 36.0K | +497% | +$577.8K |
| 2024-03-05 | 2024-03-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | F - Tax | $24.06 | -604 | 6,039 | -9% | -$14.5K | |
| DT | 2023-12-22 | 2023-12-22 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | M - OptEx | $19.26 | +10.0K | 16.6K | +151% | +$192.6K |
| DT | 2023-12-22 | 2023-12-22 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | S - Sale+OE | $32.00 | -10.0K | 6,643 | -60% | -$320.0K |
| M | 2023-12-05 | 2023-12-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $12.98 | +1,218 | 6,643 | +22% | +$15.8K |
| M | 2023-09-06 | 2023-09-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $16.55 | +956 | 5,266 | +22% | +$15.8K |
| M | 2023-03-03 | 2023-03-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $9.93 | +2,944 | 3,316 | +791% | +$29.2K |
| M | 2022-09-06 | 2022-09-01 | CORT | CORCEPT THERAPEUTICS INC | Guyer William | Chief Development Off | A - Grant | $12.99 | +1,844 | 922 | New | +$24.0K |
Purchase Sale Sale after option exercise All abbreviations