CORT insider trading — Corcept Therapeutics Inc
Over the last 90 days, insiders at Corcept Therapeutics Inc (CORT) made 0 open-market purchases worth $0 and 3 open-market sales worth $4.61M, making them net sellers by $4.61M. The largest sale was by Park Kimberly (Director), who sold 26,685 shares for $3.27M on Aug 26, 2026.
Updated Oct 16, 2026.
Insider buying · 90d
$0
Insider selling · 90d
$4.61M
Net · 90d
−$4.61M
Last 30 days
0B / 0S
Recent CORT insider transactions
Every Form 4 filed by Corcept Therapeutics Inc officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Vieira Roberto Wandenkolk | President, Oncology | M · Option exercise · 10b5-1 | Direct | 8,333 | $21.63 | $180K | Form 4 |
| Oct 2, 2026 | Vieira Roberto Wandenkolk | President, Oncology | S · Sale · 10b5-1 | Direct | 8,333 | $116.10 | $967K | Form 4 |
| Oct 2, 2026 | Lyon Joseph Douglas | See Remarks | M · Option exercise · 10b5-1 | Direct | 9,190 | $17.18 | $158K | Form 4 |
| Oct 2, 2026 | Lyon Joseph Douglas | See Remarks | S · Sale · 10b5-1 | Direct | 9,190 | $116.13 | $1.07M | Form 4 |
| Oct 1, 2026 | Lyon Joseph Douglas | See Remarks | M · Option exercise · 10b5-1 | Direct | 810 | $13.56 | $11K | Form 4 |
| Oct 1, 2026 | Lyon Joseph Douglas | See Remarks | S · Sale · 10b5-1 | Direct | 810 | $115.40 | $93K | Form 4 |
| Oct 2, 2026 | Maduck Sean | See Remarks | M · Option exercise · 10b5-1 | Direct | 24,587 | $8.27 | $203K | Form 4 |
| Oct 2, 2026 | Maduck Sean | See Remarks | S · Sale · 10b5-1 | Direct | 24,587 | $116.28 | $2.86M | Form 4 |
| Oct 1, 2026 | Maduck Sean | See Remarks | M · Option exercise · 10b5-1 | Direct | 413 | $8.27 | $3K | Form 4 |
| Oct 1, 2026 | Maduck Sean | See Remarks | S · Sale · 10b5-1 | Direct | 413 | $115.54 | $48K | Form 4 |
| Sep 24, 2026 | Robb Gary Charles | Chief Business Officer | G · Gift | Direct | 17,100 | — | — | Form 4 |
| Sep 24, 2026 | Robb Gary Charles | Chief Business Officer | G · Gift | Indirect | 10,000 | — | — | Form 4 |
| Sep 16, 2026 | Vieira Roberto Wandenkolk | President, Oncology | S · Sale · 10b5-1 | Direct | 296 | $100.82 | $30K | Form 4 |
| Sep 17, 2026 | Robb Gary Charles | Chief Business Officer | M · Option exercise | Direct | 17,493 | $8.27 | $145K | Form 4 |
| Sep 15, 2026 | Wilson James N | Director | S · Sale · 10b5-1 | Indirect | 10,000 | $110.69 | $1.11M | Form 4 |
| Sep 14, 2026 | Lyon Joseph Douglas | See Remarks | M · Option exercise · 10b5-1 | Direct | 10,000 | $12.99 | $130K | Form 4 |
| Sep 14, 2026 | Lyon Joseph Douglas | See Remarks | S · Sale · 10b5-1 | Direct | 10,000 | $113.49 | $1.13M | Form 4 |
| Sep 2, 2026 | Maduck Sean | See Remarks | F · Tax withholding · 10b5-1 | Direct | 117 | $113.38 | $13K | Form 4 |
| Sep 1, 2026 | Guyer William | Chief Development Officer | A · Grant/award | Direct | 328 | $113.38 | $19K | Form 4 |
| Sep 1, 2026 | Maduck Sean | See Remarks | M · Option exercise · 10b5-1 | Direct | 25,000 | $8.27 | $207K | Form 4 |
| Sep 1, 2026 | Maduck Sean | See Remarks | S · Sale · 10b5-1 | Direct | 25,000 | $114.43 | $2.86M | Form 4 |
| Sep 1, 2026 | Maduck Sean | See Remarks | A · Grant/award · 10b5-1 | Direct | 300 | $113.38 | $17K | Form 4 |
| Sep 2, 2026 | Mokari Atabak | Chief Financial Officer | F · Tax withholding | Direct | 102 | $113.38 | $12K | Form 4 |
| Sep 1, 2026 | Mokari Atabak | Chief Financial Officer | A · Grant/award | Direct | 276 | $113.38 | $16K | Form 4 |
| Sep 2, 2026 | Robb Gary Charles | Chief Business Officer | F · Tax withholding | Direct | 91 | $113.38 | $10K | Form 4 |
| Sep 1, 2026 | Robb Gary Charles | Chief Business Officer | A · Grant/award | Direct | 328 | $113.38 | $19K | Form 4 |
| Sep 2, 2026 | Vieira Roberto Wandenkolk | President, Oncology | F · Tax withholding · 10b5-1 | Direct | 102 | $113.38 | $12K | Form 4 |
| Sep 2, 2026 | Vieira Roberto Wandenkolk | President, Oncology | M · Option exercise · 10b5-1 | Direct | 58,333 | $21.63 | $1.26M | Form 4 |
| Sep 2, 2026 | Vieira Roberto Wandenkolk | President, Oncology | S · Sale · 10b5-1 | Direct | 58,333 | $110.76 | $6.46M | Form 4 |
| Sep 1, 2026 | Vieira Roberto Wandenkolk | President, Oncology | A · Grant/award · 10b5-1 | Direct | 276 | $113.38 | $16K | Form 4 |
| Sep 2, 2026 | Lyon Joseph Douglas | See Remarks | F · Tax withholding | Direct | 72 | $113.38 | $8K | Form 4 |
| Sep 1, 2026 | Lyon Joseph Douglas | See Remarks | A · Grant/award | Direct | 260 | $113.38 | $15K | Form 4 |
| Aug 26, 2026 | Park Kimberly | Director | M · Option exercise | Direct | 30,000 | $13.49 | $405K | Form 4 |
| Aug 26, 2026 | Park Kimberly | Director | F · Tax withholding | Direct | 3,315 | $122.09 | $405K | Form 4 |
| Aug 26, 2026 | Park Kimberly | Director | S · Sale | Direct | 26,685 | $122.55 | $3.27M | Form 4 |
| Aug 25, 2026 | Maduck Sean | See Remarks | M · Option exercise · 10b5-1 | Direct | 30,955 | $11.35 | $351K | Form 4 |
| Aug 25, 2026 | Maduck Sean | See Remarks | S · Sale · 10b5-1 | Direct | 30,955 | $125.58 | $3.89M | Form 4 |
| Aug 18, 2026 | Mahoney David L | Director | S · Sale · 10b5-1 | Indirect | 103,606 | $118.25 | $12.25M | Form 4 |
| Aug 17, 2026 | Robb Gary Charles | Chief Business Officer | G · Gift | Direct | 125 | — | — | Form 4 |
| Aug 17, 2026 | Robb Gary Charles | Chief Business Officer | S · Sale | Indirect | 10,000 | $116.26 | $1.16M | Form 4 |
| Aug 14, 2026 | Wilson James N | Director | S · Sale · 10b5-1 | Indirect | 10,000 | $111.43 | $1.11M | Form 4 |
| Aug 14, 2026 | Maduck Sean | See Remarks | M · Option exercise · 10b5-1 | Direct | 3,664 | $8.27 | $30K | Form 4 |
| Aug 14, 2026 | Maduck Sean | See Remarks | S · Sale · 10b5-1 | Direct | 3,664 | $114.49 | $419K | Form 4 |
| Aug 12, 2026 | Robb Gary Charles | Chief Business Officer | G · Gift | Direct | 11,530 | — | — | Form 4 |
| Aug 12, 2026 | Robb Gary Charles | Chief Business Officer | G · Gift | Indirect | 6,000 | — | — | Form 4 |
| Aug 10, 2026 | Maduck Sean | See Remarks | M · Option exercise · 10b5-1 | Direct | 1,031 | $8.27 | $9K | Form 4 |
| Aug 10, 2026 | Maduck Sean | See Remarks | S · Sale · 10b5-1 | Direct | 1,031 | $114.52 | $118K | Form 4 |
| Aug 10, 2026 | Guyer William | Chief Development Officer | M · Option exercise · 10b5-1 | Direct | 16,300 | $21.65 | $353K | Form 4 |
| Aug 10, 2026 | Guyer William | Chief Development Officer | S · Sale · 10b5-1 | Direct | 16,300 | $113.43 | $1.85M | Form 4 |
| Aug 4, 2026 | Guyer William | Chief Development Officer | M · Option exercise · 10b5-1 | Direct | 3,700 | $21.65 | $80K | Form 4 |
| Aug 4, 2026 | Guyer William | Chief Development Officer | S · Sale · 10b5-1 | Direct | 3,700 | $113.12 | $419K | Form 4 |
| Aug 3, 2026 | Maduck Sean | See Remarks | M · Option exercise · 10b5-1 | Direct | 20,305 | $8.27 | $168K | Form 4 |
| Aug 3, 2026 | Maduck Sean | See Remarks | S · Sale · 10b5-1 | Direct | 20,305 | $114.70 | $2.33M | Form 4 |
| Aug 3, 2026 | Lyon Joseph Douglas | See Remarks | S · Sale | Direct | 1,540 | $114.16 | $176K | Form 4 |
| Jul 30, 2026 | Mokari Atabak | Chief Financial Officer | M · Option exercise · 10b5-1 | Direct | 80,000 | $23.06 | $1.84M | Form 4 |
| Jul 30, 2026 | Mokari Atabak | Chief Financial Officer | S · Sale · 10b5-1 | Direct | 80,000 | $114.71 | $9.18M | Form 4 |
CORT insider trading FAQ
Are insiders buying CORT stock?
Not on the open market. In the last 90 days, Corcept Therapeutics Inc insiders made no open-market purchases, and 3 open-market sales totaling $4.61M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading CORT?
Recent sellers: Lyon Joseph Douglas, Park Kimberly, Robb Gary Charles.
Where does CORT insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.