CORCEPT THERAPEUTICS INC (CORT) Insider Transactions
CORT Insider Buying & Selling Activity
Between Oct 1, 2025 and Aug 26, 2026, 11 insiders at CORCEPT THERAPEUTICS INC (CORT) reported 46 transactions on record: 1 purchase and 45 sales. In total, insiders bought $3.31M and sold $84.91M, a net selling position of $81.60M. 7 insiders also sold within a 30-day window around Aug 26, 2026.
Multiple insiders trading the same direction in a short window is generally read as a stronger signal than any single trade alone.
| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 18, 2026 | MAHONEY DAVID L | Director | Sale | 103.6K | $12.25M |
| Jul 30, 2026 | Mokari Atabak | Chief Financial Officer | Sale | 80.0K | $9.18M |
| May 27, 2026 | Maduck Sean | See Remarks | Sale | 75.0K | $4.92M |
| Jul 15, 2026 | Mokari Atabak | Chief Financial Officer | Sale | 40.0K | $3.51M |
| Oct 1, 2025 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 40.0K | $3.40M |
Every insider with activity on record, most recently active first.
| Insider | Role | Last Activity | Date | Latest Known Holding |
|---|---|---|---|---|
| Park Kimberly | Director | Sale | Aug 26, 2026 | 0 |
| MAHONEY DAVID L | Director | Sale | Aug 18, 2026 | 1.13M |
| Robb Gary Charles | Chief Business Officer | Sale | Aug 17, 2026 | 39.7K |
| Maduck Sean | See Remarks | Sale | Aug 14, 2026 | 9.8K |
| WILSON JAMES N | Director | Sale | Aug 14, 2026 | 1.07M |
| Guyer William | Chief Development Officer | Sale | Aug 10, 2026 | 4.0K |
| Lyon Joseph Douglas | See Remarks | Sale | Aug 3, 2026 | 5.5K |
| Mokari Atabak | Chief Financial Officer | Sale | Jul 30, 2026 | 16.1K |
| BELANOFF JOSEPH K | Chief Executive Officer | Sale | Jun 1, 2026 | 2.57M |
| BAKER G LEONARD JR | Director | Purchase | Mar 17, 2026 | 1.15M |
| Swisher Daniel N JR | Director | Sale | Oct 10, 2025 | 0 |
Every purchase and sale on record, deduplicated. "52w range" shows where that price sat in the trailing year at the time, and "Since" shows the paper return from that price to today.
| Date | Insider | Role | Type | Shares | Price | Value | 52w Range | Since |
|---|---|---|---|---|---|---|---|---|
| Aug 26, 2026 | Park Kimberly | Director | Sale | 26.7K | $122.55 | $3.27M | 96% | -7.1% |
| Aug 18, 2026 | MAHONEY DAVID L | Director | Sale | 103.6K | $118.25 | $12.25M | — | -3.7% |
| Aug 17, 2026 | Robb Gary Charles | Chief Business Officer | Sale | 10.0K | $116.26 | $1.16M | 99% | -2.0% |
| Aug 14, 2026 | WILSON JAMES N | Director | Sale | 10.0K | $111.43 | $1.11M | 96% | +2.2% |
| Aug 14, 2026 | Maduck Sean | See Remarks | Sale | 3.7K | $114.49 | $419.5K | 96% | -0.5% |
| Aug 10, 2026 | Guyer William | Chief Development Officer | Sale | 16.3K | $113.43 | $1.85M | 95% | +0.4% |
| Aug 10, 2026 | Maduck Sean | See Remarks | Sale | 1.0K | $114.52 | $118.1K | 95% | -0.6% |
| Aug 4, 2026 | Guyer William | Chief Development Officer | Sale | 3.7K | $113.12 | $418.6K | 90% | +0.7% |
| Aug 3, 2026 | Lyon Joseph Douglas | See Remarks | Sale | 1.5K | $114.16 | $175.8K | 94% | -0.2% |
| Aug 3, 2026 | Maduck Sean | See Remarks | Sale | 20.3K | $114.70 | $2.33M | 94% | -0.7% |
| Jul 30, 2026 | Mokari Atabak | Chief Financial Officer | Sale | 80.0K | $114.71 | $9.18M | 100% | -0.7% |
| Jul 15, 2026 | Mokari Atabak | Chief Financial Officer | Sale | 40.0K | $87.71 | $3.51M | 93% | +29.8% |
| Jul 15, 2026 | WILSON JAMES N | Director | Sale | 10.0K | $88.30 | $883.0K | 93% | +29.0% |
| Jul 7, 2026 | Guyer William | Chief Development Officer | Sale | 20.0K | $93.13 | $1.86M | 100% | +22.3% |
| Jul 1, 2026 | Maduck Sean | See Remarks | Sale | 25.0K | $88.35 | $2.21M | 97% | +28.9% |
| Jun 17, 2026 | MAHONEY DAVID L | Director | Sale | 20.0K | $84.53 | $1.69M | 85% | +34.7% |
| Jun 16, 2026 | WILSON JAMES N | Director | Sale | 10.0K | $83.20 | $832.0K | 89% | +36.9% |
| Jun 15, 2026 | Mokari Atabak | Chief Financial Officer | Sale | 40.0K | $81.15 | $3.25M | 88% | +40.3% |
| Jun 2, 2026 | Guyer William | Chief Development Officer | Sale | 20.0K | $70.60 | $1.41M | 67% | +61.3% |
| Jun 1, 2026 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 12.8K | $69.74 | $895.3K | 66% | +63.3% |
| Jun 1, 2026 | Mokari Atabak | Chief Financial Officer | Sale | 40.0K | $70.00 | $2.80M | 66% | +62.7% |
| Jun 1, 2026 | Maduck Sean | See Remarks | Sale | 25.0K | $70.21 | $1.76M | 66% | +62.2% |
| May 27, 2026 | Maduck Sean | See Remarks | Sale | 75.0K | $65.59 | $4.92M | 59% | +73.6% |
| May 27, 2026 | Lyon Joseph Douglas | See Remarks | Sale | 5.0K | $65.00 | $325.0K | 59% | +75.2% |
| May 5, 2026 | Guyer William | Chief Development Officer | Sale | 20.0K | $51.83 | $1.04M | 33% | +119.7% |
| May 1, 2026 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 40.0K | $50.10 | $2.00M | 33% | +127.3% |
| Apr 7, 2026 | Guyer William | Chief Development Officer | Sale | 20.0K | $40.97 | $819.4K | 16% | +178.0% |
| Mar 25, 2026 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 26.2K | $50.07 | $1.31M | 10% | +127.4% |
| Mar 20, 2026 | Guyer William | Chief Development Officer | Sale | 11.8K | $36.01 | $423.7K | 3% | +216.2% |
| Mar 17, 2026 | BAKER G LEONARD JR | Director | Purchase | 100.0K | $33.14 | $3.31M | 2% | +243.6% |
| Mar 4, 2026 | Guyer William | Chief Development Officer | Sale | 8.2K | $35.99 | $296.3K | 2% | +216.4% |
| Feb 3, 2026 | Guyer William | Chief Development Officer | Sale | 20.0K | $40.87 | $817.3K | 8% | +178.6% |
| Jan 6, 2026 | Guyer William | Chief Development Officer | Sale | 20.0K | $35.18 | $703.7K | 1% | +223.7% |
| Dec 2, 2025 | Guyer William | Chief Development Officer | Sale | 20.0K | $80.08 | $1.60M | 48% | +42.2% |
| Dec 1, 2025 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 40.0K | $79.77 | $3.19M | 46% | +42.8% |
| Dec 1, 2025 | Lyon Joseph Douglas | See Remarks | Sale | 5.0K | $79.53 | $397.6K | 46% | +43.2% |
| Dec 1, 2025 | Maduck Sean | See Remarks | Sale | 20.0K | $79.52 | $1.59M | 46% | +43.2% |
| Nov 25, 2025 | Guyer William | Chief Development Officer | Sale | 4.5K | $80.90 | $364.1K | 47% | +40.8% |
| Nov 5, 2025 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 28.8K | $74.77 | $2.15M | 44% | +52.3% |
| Nov 5, 2025 | Guyer William | Chief Development Officer | Sale | 20.0K | $75.36 | $1.51M | 44% | +51.1% |
| Nov 3, 2025 | Maduck Sean | See Remarks | Sale | 20.0K | $73.99 | $1.48M | 41% | +53.9% |
| Nov 3, 2025 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 11.2K | $74.08 | $831.0K | 41% | +53.7% |
| Nov 3, 2025 | Lyon Joseph Douglas | See Remarks | Sale | 5.0K | $73.65 | $368.2K | 41% | +54.6% |
| Oct 10, 2025 | Swisher Daniel N JR | Director | Sale | 2.2K | $87.54 | $192.6K | 42% | +30.1% |
| Oct 7, 2025 | Guyer William | Chief Development Officer | Sale | 20.0K | $89.94 | $1.80M | 66% | +26.6% |
| Oct 1, 2025 | BELANOFF JOSEPH K | Chief Executive Officer | Sale | 40.0K | $85.08 | $3.40M | 57% | +33.9% |
52w range and paper return are only computed for transactions with a date that lines up with price history on record.
Are insiders buying or selling CORT stock?
On record between Oct 1, 2025 and Aug 26, 2026, CORCEPT THERAPEUTICS INC insiders made 1 purchase ($3.31M) and 45 sales ($84.91M), a net selling position of $81.60M.
Has there been cluster buying or selling at CORT?
No buying clusters (2+ insiders within 30 days) on record. 3 insiders sold within 30 days around Oct 10, 2025; 4 insiders sold within 30 days around Dec 2, 2025; 2 insiders sold within 30 days around Mar 25, 2026; 2 insiders sold within 30 days around May 5, 2026; 7 insiders sold within 30 days around Jun 17, 2026; 4 insiders sold within 30 days around Jul 30, 2026; 7 insiders sold within 30 days around Aug 26, 2026.
What is the largest recent insider transaction at CORT?
The largest transaction on record is MAHONEY DAVID L (Director), a sale of $12.25M on Aug 18, 2026.
Does a 10b5-1 automatic trading plan explain CORT's insider sales?
This data does not indicate whether a given sale was part of a pre-scheduled Rule 10b5-1 plan, that detail is not captured in the transaction data available here.