$CPRX

Kalb Michael Wayne sold (to issuer) $430K of CPRX

Kalb Michael Wayne (Chief Financial Officer) sold (to issuer) 13,665 shares of CATALYST PHARMACEUTICALS, INC. (CPRX) at $31.50 ($0.43M total) on 2026-07-15.

Original reporting
SEC EDGAR · Kalb Michael Wayne
Published Jul 17, 2026, 8:15 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jul 17, 2026, 8:29 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
$CPRX
Neutral
medium confidence
Mentioned
$CPRX
Relevance
4/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CPRXNeutralLow
01

Why it matters

The newest fact is the CFO’s sale to the issuer: 13,665 shares at $31.50, totaling $430,447.50, leaving 0 shares after the transaction.

02

Market read

Traders may note insider selling activity, but there is no new fundamental Catalyst Pharmaceuticals catalyst in the text.

03

What to watch

The Form 4 states no pre-arranged 10b5-1 plan, which can increase interpretive uncertainty, but the filing still lacks any accompanying company-specific news.

Relevance 4/10Novelty 5/10Timing: Filed 2026-07-17 after-hours, covering a sale dated 2026-07-15.

Background

The article is a primary-source SEC Form 4 insider transaction disclosure for Catalyst Pharmaceuticals (CPRX).

Company-level read

Ticker impact

$CPRXNeutralMedium confidence
Context

Catalyst Pharmaceuticals CFO Kalb Michael Wayne sold 13,665 shares to the issuer at $31.50 on 2026-07-15, per a fresh Form 4 filing.

Expected impact

Likely limited near-term impact; any effect would be sentiment-driven and short-lived.

Evidence & confidence

The filing discloses a specific insider transaction size and price, but provides no new operational, regulatory, or financial catalyst.

Market effects

No clear read-across to the broader biotech sector from a single CFO sale.

No material regional market implications indicated.

No global relevance beyond Catalyst Pharmaceuticals-specific sentiment.

Counterpoint

Insider sales to the issuer can be administrative or liquidity-related and may not reflect negative expectations.

Key entities

  • Catalyst Pharmaceuticals, Inc.

    Subject of the Form 4 insider transaction disclosure.

  • Kalb Michael Wayne

    Chief Financial Officer who sold shares to the issuer.

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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