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sellWeak cluster of 210b5-1 plan

William Guyer sold $424k of CORT

Chief Development Officer at CORCEPT THERAPEUTICS INC. 11,767 shares at an average of $36.01, traded Mar 20, 2026, filed Mar 24, 2026.

Warning score
24
Value
$424k
11,767 shares
Holdings after
2,231
-84% from before
From 52-week low
+8%
low $32.15, close $34.64
From 52-week high
-70%
high $114.22, as of Mar 20, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $424k at market
    +16
  • Share of holdings sold
    Sold 84% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +33.3%, 3m +136.1%, 6m +247.5%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

CORTOct 13, 2026 · close 117.80
Since filing Mar 24, 2026: +248.3%SPY +19.7% · excess +228.6%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-26-122136, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 20, 2026MOption exercise
Common Stock10b5-1
+11,767$21.65$255k13,998Mar 24, 2026
Mar 20, 2026SOpen-market sale
Common Stock10b5-1
-11,767$36.01$424k2,231Mar 24, 2026
Mar 20, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-11,767$0.00$0210,000Mar 24, 2026

Related signals

Other insiders at CORCEPT THERAPEUTICS INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
40Moderate
CORTsell 310b5-1
CORCEPT THERAPEUTICS INC
Sean Maduck
See Remarks
$2.9M
25,000 shares
-242%
40Moderate
CORTsell 310b5-1
CORCEPT THERAPEUTICS INC
Joseph Douglas Lyon
See Remarks
$1.2M
10,000 shares
-154%
45Moderate
CORTsell 310b5-1
CORCEPT THERAPEUTICS INC
Roberto Wandenkolk Vieira
President, Oncology
$967k
8,333 shares
-68%
20Weak
CORTsell 310b5-1
CORCEPT THERAPEUTICS INC
Roberto Wandenkolk Vieira
President, Oncology
$30k
296 shares
-7%
35Weak
CORTsell 410b5-1
CORCEPT THERAPEUTICS INC
James N Wilson
director
$1.1M
10,000 shares
-1%
40Moderate
CORTsell 410b5-1
CORCEPT THERAPEUTICS INC
Joseph Douglas Lyon
See Remarks
$1.1M
10,000 shares
-64%
45Moderate
CORTsell 510b5-1
CORCEPT THERAPEUTICS INC
Roberto Wandenkolk Vieira
President, Oncology
$6.5M
58,333 shares
-93%
40Moderate
CORTsell 610b5-1
CORCEPT THERAPEUTICS INC
Sean Maduck
See Remarks
$2.9M
25,000 shares
-72%
60Notable
CORTsell 6
CORCEPT THERAPEUTICS INC
Kimberly Park
director
$3.3M
26,685 shares
-100%
40Moderate
CORTsell 610b5-1
CORCEPT THERAPEUTICS INC
Sean Maduck
See Remarks
$3.9M
30,955 shares
-76%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

William Guyer sold $424k of CORT | InsiderTell