SEC Filing Analysis: CORCEPT THERAPEUTICS INC (CORT)

Executive Summary

• Trading Significance: Low
• Key Takeaway: An officer at Corcept Therapeutics has filed a notice to sell 20,000 shares, valued at approximately $1.5 million, under a pre-established 10b5-1 trading plan.
• Market Impact: The transaction is expected to have a negligible impact on the stock due to its small size relative to market capitalization and its pre-scheduled nature.

Company Information

Field	Value
Company	CORCEPT THERAPEUTICS INC
Ticker Symbol	CORT
CIK	0001088856
Industry	PHARMACEUTICAL PREPARATIONS

Insider Information

Field	Value
Name	Sean Maduck
CIK	0001698310
Title/Position	Officer
Relationship	Officer

Transaction Details

Field	Value
Form Type	144
Transaction Date	2025-11-03 (Approximate Sale Date)
Transaction Code	S (Proposed Sale)
Security Type	Common Stock
Shares Involved	20,000
Price Per Share	~$73.47
Total Value	$1,469,400
Shares Owned After	Not Disclosed
Ownership Type	Not Disclosed

Financial Impact Assessment

Transaction Materiality

Metric	Value
Transaction Value	$1,469,400
% of Market Cap	0.019%
Shares Transacted	20,000
% of Shares Outstanding	0.019%
Post-Transaction Ownership	Not Disclosed
Materiality Assessment	Low

Impact Evaluation

• Market Cap Context: With a market capitalization of $7.74 billion, this $1.5 million transaction is immaterial, representing less than 0.02% of the company's value.
• Transaction Significance: The sale is considered low significance. Both the value and share count fall well below the thresholds for moderate or high materiality. The existence of a 10b5-1 plan further reduces the informational value of the sale, as it was planned in advance.

Market Impact Analysis

Stock Impact Prediction

• Direction: Neutral
• Reasoning: The sale is a routine, pre-planned disposition under a 10b5-1 plan and represents a tiny fraction of the company's market capitalization and public float. It is unlikely to influence market sentiment.

Volume & Sentiment

• Expected Volume Impact: Negligible. The transaction size is too small to materially affect daily trading volume.
• Sentiment Indicator: Neutral. This is a non-event from a market signaling perspective.

Additional Context

Transaction Notes

• Special Circumstances: The sale is being conducted pursuant to a Rule 10b5-1 trading plan adopted on September 5, 2024. The filing also discloses a pattern of regular monthly sales by the same insider over the past three months, confirming this is part of a systematic selling plan.