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sellModerate cluster of 610b5-1 plan

Sean Maduck sold $1.4M of CORT

See Remarks at CORCEPT THERAPEUTICS INC. 20,000 shares at an average of $70.49, traded Sep 2, 2025, filed Sep 4, 2025.

Warning score
40
Value
$1.4M
20,000 shares
Holdings after
7,681
-72% from before
From 52-week low
+101%
low $35.55, close $71.38
From 52-week high
-38%
high $114.22, as of Sep 2, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.4M at market
    +25
  • Share of holdings sold
    Sold 72% of holdings
    +20
  • Cluster
    6 insiders selling within 14 days
    +15
  • 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.

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 9, 2026 · close 121.19
Since filing Sep 4, 2025: +74.7%SPY +21.6% · excess +53.1%

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 0001193125-25-196315, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2025MOption exercise
Common Stock10b5-1
+20,000$5.05$101k27,681Sep 4, 2025
Sep 2, 2025SOpen-market sale
Common Stock10b5-1
-15,070$70.38$1.1M12,611Sep 4, 2025
Sep 2, 2025SOpen-market sale
Common Stock10b5-1
-4,930$70.84$349k7,681Sep 4, 2025
Sep 2, 2025AGrant or award
Common Stock10b5-1
+228$71.38$16k7,909Sep 4, 2025
Sep 2, 2025AGrant or award
Common Stock10b5-1
+228$0.00$08,137Sep 4, 2025
Sep 3, 2025FTax withholding
Common Stock10b5-1
-233$71.38$17k7,904Sep 4, 2025
Sep 2, 2025MOption exercise
Stock option (right to buy)derivative10b5-1
-20,000$0.00$01,986Sep 4, 2025

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 410b5-1
CORCEPT THERAPEUTICS INC
Roberto Wandenkolk Vieira
President, Oncology
$6.5M
58,333 shares
-93%
40Moderate
CORTsell 410b5-1
CORCEPT THERAPEUTICS INC
Sean Maduck
See Remarks
$2.9M
25,000 shares
-72%
26Weak
CORTsell 510b5-1
CORCEPT THERAPEUTICS INC
Daniel N Swisher JR
director
$159k
2,200 shares
-100%
45Moderate
CORTsell 610b5-1
CORCEPT THERAPEUTICS INC
Joseph K Belanoff
Chief Executive Officer
$2.8M
40,000 shares
-1%

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.

Sean Maduck sold $1.4M of CORT | InsiderTell