Reporting owner · CIK 0001817838

Lyon Joseph Douglas

Visual SEC Form 4 history across 1 companies, 22 transactions and 6 filings.

SRSee RemarksCORCEPT THERAPEUTICS INC
Open-market mix
Latest filingSep 04, 2026, 01:00 AM
Filings6Form 4 records
Buying$00 purchases
Selling$1.2M4 sales
Net value−$1.2MBuys minus sells
Companies12 securities
Most recentSep 02, 2026withholding

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
530-3-51Jan 251Feb 251Mar 25Mar 261May 26Sep 26

Net value flow

Buys minus sells

Jan 25
−$252K
Feb 25
−$334.6K
Mar 25
−$277.9K
Mar 26
$0
May 26
−$325K
Sep 26
$0

Transaction texture

Ownership and ticket size

Average P/S size$297.4K
Median P/S size$301.5K
Direct22
Indirect0
Sep 02, 2026withholding

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern2Derivative Transactionfiling-context5Direct Ownershipfiling-context19Large Holdings Increaseholdings3Large Holdings Reductionholdings6Repeat Sellerpattern110b5-1 Detectedfiling-context15

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at CORCEPT THERAPEUTICS INC on May 27, 2026 valued at $325,000.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at CORCEPT THERAPEUTICS INC on May 27, 2026 valued at $325,000.

Review SEC filing

Associated companies

Visual map of known reporting history

CORTCORCEPT THERAPEUTICS INC22 transactions · latest Sep 04, 2026, 01:00 AM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
CORTLyon Joseph Douglas
SR
exercise10b5-14.57k$6.20MM
Direct Ownership Large Holdings Increase 10b5-1 Detected
—03/05/202503/03/2025
CORTLyon Joseph Douglas
SR
grant10b5-1216$0A
Direct Ownership 10b5-1 Detected
—03/05/202503/03/2025
CORTLyon Joseph Douglas
SR
grant10b5-1216$1.27MA
Direct Ownership 10b5-1 Detected
—03/05/202503/03/2025
CORTLyon Joseph Douglas
SR
withholding10b5-1182-$1.10MF
Direct Ownership 10b5-1 Detected
—03/05/202503/03/2025
CORTLyon Joseph Douglas
SR
exercise10b5-13.42k$0M
Derivative Transaction Direct Ownership 10b5-1 Detected
—02/05/202502/03/2025
CORTLyon Joseph Douglas
SR
exercise10b5-11.57k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction+1
—02/05/202502/03/2025
CORTLyon Joseph Douglas
SR
sale10b5-15.00k-$33.4MS
Direct Ownership Large Holdings Reduction 10b5-1 Detected
—02/05/202502/03/2025
CORTLyon Joseph Douglas
SR
exercise10b5-13.42k$4.64MM
Direct Ownership 10b5-1 Detected
—02/05/202502/03/2025
CORTLyon Joseph Douglas
SR
exercise10b5-11.57k$1.78MM
Direct Ownership 10b5-1 Detected
—02/05/202502/03/2025
CORTLyon Joseph Douglas
SR
exercise10b5-15.00k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction+1
—01/07/202501/02/2025

Lyon Joseph Douglas Insider Activity FAQ

SEC Form 4 context

Who is Lyon Joseph Douglas?

Lyon Joseph Douglas is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001817838.

Which companies has Lyon Joseph Douglas reported transactions for?

CORCEPT THERAPEUTICS INC

When was Lyon Joseph Douglas's latest insider buy?

No open-market insider purchase is available for this period.

When was Lyon Joseph Douglas's latest insider sale?

sale at CORCEPT THERAPEUTICS INC on May 27, 2026 valued at $325,000.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.