$CORT

MAHONEY DAVID L sold $12.3M of CORT (indirect holdings)

MAHONEY DAVID L sold 103,606 indirectly-held shares of CORCEPT THERAPEUTICS INC (CORT) at an average of $118.25 ($117.47–$119.64, $12.25M total) across 4 trades on 2026-08-18 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MAHONEY DAVID L
Published Aug 20, 2026, 8:30 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 20, 2026, 8:52 PM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
alphai market briefInsider activity
Primary signal
$CORT
Bearish
medium confidence
Mentioned
$CORT
Relevance
6/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CORTBearishLow
01

Why it matters

The director's $12.3M sale may trigger short‑term sell pressure but could be neutral if viewed as routine.

02

Market read

Primary insider sale; modest materiality for traders monitoring biotech stocks.

03

What to watch

Sale executed via pre‑arranged 10b5‑1 plan, which may be routine and not reflective of new information.

Relevance 6/10Novelty 7/10Timing: filing on Aug 20, reflects recent Aug 18 sale

Background

SEC Form 4 filing discloses insider transactions; provides transparent view of insider holdings.

Company-level read

Ticker impact

$CORTBearishMedium confidence
Context

Director David L. Mahoney sold 103,606 shares for $12.3M on Aug 18 via a 10b5‑1 plan.

Expected impact

Downward pressure on CORT price in the short term.

Evidence & confidence

Large $12M sale by a key insider suggests potential concerns about future prospects.

Market effects

May weigh on other small‑cap biotech stocks as insider activity is monitored.

Limited to US biotech sector; no broader regional effect.

Minimal global impact beyond niche biotech investors.

Counterpoint

Insider could be diversifying portfolio; sale does not necessarily imply negative fundamentals.

Key entities

  • Corcept Therapeutics Inc.

    Biopharmaceutical company developing therapies for endocrine disorders.

  • David L. Mahoney

    Director of Corcept Therapeutics who executed the sale.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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