Guyer William Insider Trading Activity

Corporate InsiderChief Development Officer · CIK 1879013

22

Total trades

$15.1M

Total volume

May 5, 2026

Last activity

CORT

CORCEPT THERAPEUTICS INC

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.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
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

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CORT · CORCEPT THERAPEUTICS INC

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEΔ OWNEDROLEFILING
May 5, 2026
CORTSell20,000$51.83$1.0M−90.0%Chief Development Officer
Apr 7, 2026
CORTSell20,000$40.97$819K−90.0%Chief Development Officer
Mar 20, 2026
CORTSell11,767$36.01$424K−84.1%Chief Development Officer
Mar 4, 2026
CORTSell8,233$35.99$296K−78.7%Chief Development Officer
Feb 3, 2026
CORTSell20,000$40.87$817K−94.2%Chief Development Officer
Jan 6, 2026
CORTSell20,000$35.18$704K−94.2%Chief Development Officer
Dec 2, 2025
CORTSell19,360$80.05$1.5M−91.2%Chief Development Officer
Dec 2, 2025
CORTSell640$80.88$52K−34.1%Chief Development Officer
Nov 25, 2025
CORTSell4,500$80.90$364K−85.1%Chief Development Officer
Nov 5, 2025
CORTSell300$76.28$23K−5.4%Chief Development Officer
Nov 5, 2025
CORTSell6,536$74.75$489K−25.8%Chief Development Officer
Nov 5, 2025
CORTSell13,164$75.64$996K−70.2%Chief Development Officer
Oct 7, 2025
CORTSell20,000$89.94$1.8M−79.1%Chief Development Officer
Sep 2, 2025
CORTSell15,594$70.39$1.1M−61.2%Chief Development Officer
Sep 2, 2025
CORTSell4,406$70.85$312K−44.5%Chief Development Officer
Aug 8, 2025
CORTSell35,007$71.77$2.5M−86.4%Chief Development Officer
Aug 5, 2025
CORTSell14$71.77$1K−0.3%Chief Development Officer
Jul 18, 2025
CORTSell500$73.44$37K−8.4%Chief Development Officer
Jul 17, 2025
CORTSell4,379$73.48$322K−44.4%Chief Development Officer
Jul 1, 2025
CORTSell100$73.50$7K−1.8%Chief Development Officer
Jun 10, 2025
CORTSell16,918$72.36$1.2M−66.4%Chief Development Officer
Jun 10, 2025
CORTSell3,082$72.75$224K−36.0%Chief Development Officer

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
CORTCORCEPT THERAPEUTICS INC22$15.1M

Other insiders at CORCEPT THERAPEUTICS INC

5 other tracked filers at CORT.