Cohen Joshua B sold $981K of AMLX

Cohen Joshua B (Co-Chief Executive Officer) sold 30,464 shares of Amylyx Pharmaceuticals, Inc. (AMLX) at an average of $32.19 ($32.16–$33.15, $0.98M total) across 2 trades on 2026-09-10.

Original reporting
SEC EDGAR · Cohen Joshua B
Published Sep 14, 2026, 8:00 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 14, 2026, 8:09 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
$AMLX
Neutral
medium confidence
Mentioned
$AMLX
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AMLXNeutralLow
01

Why it matters

The disclosed sale is modest and unlikely to affect AMLX's stock price significantly.

02

Market read

Routine insider sale with limited trading relevance.

03

What to watch

CFO may be diversifying holdings; no change in company fundamentals reported.

Relevance 5/10Novelty 3/10Timing: post‑market filing on 2026‑09‑14

Background

SEC Form 4 filing discloses insider transactions; required for public companies.

Company-level read

Ticker impact

$AMLXNeutralMedium confidence
Context

Co-CEO Joshua B. Cohen sold 30,464 AMLX shares for $980.5K on 2026-09-10.

Expected impact

Limited short-term pressure; unlikely to move price materially.

Evidence & confidence

The sale represents less than 1% of total holdings and is under $1M, so market reaction is expected to be muted.

Market effects

No broader sector impact; insider activity is company‑specific.

None; AMLX trades primarily on US exchanges.

Minimal; the filing is a routine disclosure.

Counterpoint

The sale could be a routine liquidity move rather than a negative signal.

Key entities

  • Amylyx Pharmaceuticals, Inc.

    Biotech firm developing treatments for neurodegenerative diseases.

  • Joshua B. Cohen

    Co‑Chief Executive Officer and director of AMLX.

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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