Guyer William Insider Trading Activity
Guyer William has been net-selling over the last 12 months with 0 purchases and 17 sales across 1 company.
CORT is the most-traded position with 17 trades. The largest single transaction was a sale of CORT for $2.5M on Aug 8, 2025.
Performance Scorecard
Forward stock performance after each transaction by Guyer William. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -2.1% | 50% | 22 |
| 90 days | — | -3.7% | 43% | 21 |
| 120 days | — | -2.1% | 50% | 20 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersCORT · CORCEPT THERAPEUTICS INC
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 5, 2026 | CORT | Sell | 20,000 | $51.83 | $1.0M | −90.0% | Chief Development Officer | |
Apr 7, 2026 | CORT | Sell | 20,000 | $40.97 | $819K | −90.0% | Chief Development Officer | |
Mar 20, 2026 | CORT | Sell | 11,767 | $36.01 | $424K | −84.1% | Chief Development Officer | |
Mar 4, 2026 | CORT | Sell | 8,233 | $35.99 | $296K | −78.7% | Chief Development Officer | |
Feb 3, 2026 | CORT | Sell | 20,000 | $40.87 | $817K | −94.2% | Chief Development Officer | |
Jan 6, 2026 | CORT | Sell | 20,000 | $35.18 | $704K | −94.2% | Chief Development Officer | |
Dec 2, 2025 | CORT | Sell | 19,360 | $80.05 | $1.5M | −91.2% | Chief Development Officer | |
Dec 2, 2025 | CORT | Sell | 640 | $80.88 | $52K | −34.1% | Chief Development Officer | |
Nov 25, 2025 | CORT | Sell | 4,500 | $80.90 | $364K | −85.1% | Chief Development Officer | |
Nov 5, 2025 | CORT | Sell | 300 | $76.28 | $23K | −5.4% | Chief Development Officer | |
Nov 5, 2025 | CORT | Sell | 6,536 | $74.75 | $489K | −25.8% | Chief Development Officer | |
Nov 5, 2025 | CORT | Sell | 13,164 | $75.64 | $996K | −70.2% | Chief Development Officer | |
Oct 7, 2025 | CORT | Sell | 20,000 | $89.94 | $1.8M | −79.1% | Chief Development Officer | |
Sep 2, 2025 | CORT | Sell | 15,594 | $70.39 | $1.1M | −61.2% | Chief Development Officer | |
Sep 2, 2025 | CORT | Sell | 4,406 | $70.85 | $312K | −44.5% | Chief Development Officer | |
Aug 8, 2025 | CORT | Sell | 35,007 | $71.77 | $2.5M | −86.4% | Chief Development Officer | |
Aug 5, 2025 | CORT | Sell | 14 | $71.77 | $1K | −0.3% | Chief Development Officer | |
Jul 18, 2025 | CORT | Sell | 500 | $73.44 | $37K | −8.4% | Chief Development Officer | |
Jul 17, 2025 | CORT | Sell | 4,379 | $73.48 | $322K | −44.4% | Chief Development Officer | |
Jul 1, 2025 | CORT | Sell | 100 | $73.50 | $7K | −1.8% | Chief Development Officer | |
Jun 10, 2025 | CORT | Sell | 16,918 | $72.36 | $1.2M | −66.4% | Chief Development Officer | |
Jun 10, 2025 | CORT | Sell | 3,082 | $72.75 | $224K | −36.0% | Chief Development Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| CORT | CORCEPT THERAPEUTICS INC | 22 | $15.1M |
Other insiders at CORCEPT THERAPEUTICS INC
5 other tracked filers at CORT.