Reporting owner · CIK 0001879013

Guyer William

Visual SEC Form 4 history across 1 companies, 21 transactions and 8 filings.

CDOChief Development OfficerCORCEPT THERAPEUTICS INC
Open-market mix
Latest filingSep 04, 2026, 01:16 AM
Filings8Form 4 records
Buying$00 purchases
Selling$3.4M5 sales
Net value−$3.4MBuys minus sells
Companies13 securities
Most recentSep 01, 2026grant

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
530-3-5Feb 251Mar 251Jan 261Feb 262Mar 26Sep 26

Net value flow

Buys minus sells

Feb 25
$0
Mar 25
−$1.2M
Jan 26
−$703.7K
Feb 26
−$817.3K
Mar 26
−$720.1K
Sep 26
$0

Transaction texture

Ownership and ticket size

Average P/S size$684.5K
Median P/S size$703.7K
Direct21
Indirect0
Sep 01, 2026grant

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern1Derivative Transactionfiling-context7Direct Ownershipfiling-context19Large Holdings Increaseholdings8Large Holdings Reductionholdings6Large Salesize1Repeat Sellerpattern310b5-1 Detectedfiling-context16

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at CORCEPT THERAPEUTICS INC on Mar 20, 2026 valued at $423,730.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Latest sale

sale at CORCEPT THERAPEUTICS INC on Mar 20, 2026 valued at $423,730.

Review SEC filing

Associated companies

Visual map of known reporting history

CORTCORCEPT THERAPEUTICS INC21 transactions · latest Sep 04, 2026, 01:16 AM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
CORTGuyer William
CDO
grant140k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
+99.7%03/0302/27
CORTGuyer William
CDO
exercise10b5-120.0k$0M
Derivative Transaction Direct Ownership 10b5-1 Detected
+35.9%02/0502/03
CORTGuyer William
CDO
sale10b5-120.0k-$81.7MS
Direct Ownership Large Holdings Reduction Repeat Seller+1
+35.9%02/0502/03
CORTGuyer William
CDO
exercise10b5-120.0k$43.3MM
Direct Ownership Large Holdings Increase 10b5-1 Detected
+35.9%02/0502/03
CORTGuyer William
CDO
exercise10b5-120.0k$0M
Derivative Transaction Direct Ownership 10b5-1 Detected
+12.7%01/0901/06
CORTGuyer William
CDO
sale10b5-120.0k-$70.3MS
Direct Ownership Large Holdings Reduction 10b5-1 Detected
+12.7%01/0901/06
CORTGuyer William
CDO
exercise10b5-120.0k$43.3MM
Direct Ownership Large Holdings Increase 10b5-1 Detected
+12.7%01/0901/06
CORTGuyer William
CDO
exercise10b5-120.0k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction+1
—03/05/202503/04/2025
CORTGuyer William
CDO
grant10b5-1140k$0A
Derivative Transaction Direct Ownership Large Holdings Increase+1
—03/05/202502/28/2025
CORTGuyer William
CDO
sale10b5-120.0k-$118MS
Cluster Selling Direct Ownership Large Holdings Reduction+2
—03/05/202503/04/2025

Guyer William Insider Activity FAQ

SEC Form 4 context

Who is Guyer William?

Guyer William is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001879013.

Which companies has Guyer William reported transactions for?

CORCEPT THERAPEUTICS INC

When was Guyer William's latest insider buy?

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

When was Guyer William's latest insider sale?

sale at CORCEPT THERAPEUTICS INC on Mar 20, 2026 valued at $423,730.

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.