Based on data from the past 90 days ending January 10, 2026, Corcept Therapeutics's three largest insider shareholders are Director G Leonard Jr Baker (4.36Mn shares), Chief Executive Officer Joseph K Belanoff (2.94Mn shares), Director David L Mahoney (1.21Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| G Leonard Jr Baker | 4,355,141 | 15 Jun, 2021 | |
| Joseph K Belanoff | Chief Executive Officer | 2,944,524 | 29 Dec, 2025 |
| David L Mahoney | 1,212,614 | 20 May, 2025 | |
| James N Wilson | 200,000 | 24 Jan, 2025 | |
| Hazel Hunt | Chief Scientific Officer | 183,405 | 13 Feb, 2025 |
| Gary Charles Robb | Chief Business Officer | 90,197 | 29 Dec, 2025 |
| Sean Maduck | Nan | 48,179 | 03 Dec, 2025 |
| Atabak Mokari | Chief Financial Officer | 14,559 | 03 Dec, 2025 |
| Joseph Douglas Lyon | Nan | 10,523 | 03 Dec, 2025 |
| William Guyer | Chief Development Officer | 1,235 | 08 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Jan, 2026 | William Guyer | Common Stock | D | 20,000 | $35.18 | 1,235 | D | S |
| 06 Jan, 2026 | William Guyer | Common Stock | A | 20,000 | $21.65 | 21,235 | D | M |
| 24 Dec, 2025 | Joseph K Belanoff | - | - | 550,000 | D | |||
| 24 Dec, 2025 | Joseph K Belanoff | Common Stock | D | 306,846 | $83.59 | 243,154 | D | F |
| 24 Dec, 2025 | Joseph K Belanoff | - | - | 0 | D | |||
| 24 Dec, 2025 | Joseph K Belanoff | Common Stock | D | 243,154 | $0.00 | 0 | D | G |
| 24 Dec, 2025 | Joseph K Belanoff | Common Stock | A | 550,000 | $3.88 | 550,000 | D | M |
| 24 Dec, 2025 | Joseph K Belanoff | - | - | 243,154 | D | |||
| 24 Dec, 2025 | Joseph K Belanoff | - | - | 2,944,524 | I | |||
| 24 Dec, 2025 | Joseph K Belanoff | Common Stock | A | 243,154 | $0.00 | 2,944,524 | I | J |
| 24 Dec, 2025 | Gary Charles Robb | Common Stock | A | 145,000 | $3.88 | 158,910 | D | M |
| 24 Dec, 2025 | Gary Charles Robb | Common Stock | D | 80,284 | $83.59 | 78,626 | D | F |
| 12 Dec, 2025 | James N Wilson | Common Stock | A | 200,000 | $0.00 | 200,000 | I | J |
| 12 Dec, 2025 | James N Wilson | Common Stock | A | 200,000 | $0.00 | 200,000 | I | J |
| 12 Dec, 2025 | James N Wilson | - | - | 200,000 | I | |||
| 12 Dec, 2025 | James N Wilson | - | - | 1,045,168 | I | |||
| 12 Dec, 2025 | James N Wilson | Common Stock | D | 400,000 | $0.00 | 1,045,168 | I | G |
| 12 Dec, 2025 | James N Wilson | - | - | 200,000 | I | |||
| 02 Dec, 2025 | Gary Charles Robb | Common Stock | D | 148 | $79.78 | 13,910 | D | F |
| 02 Dec, 2025 | Atabak Mokari | Common Stock | D | 118 | $79.78 | 14,559 | D | F |