FRATES JAMES M sold $350K of AMLX

FRATES JAMES M (Chief Financial Officer) sold 10,810 shares of Amylyx Pharmaceuticals, Inc. (AMLX) at an average of $32.36 ($32.27–$33.23, $0.35M total) across 2 trades on 2026-09-10.

Original reporting
SEC EDGAR · FRATES JAMES M
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
Bearish
medium confidence
Mentioned
$AMLX
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AMLXBearishLow
01

Why it matters

The CFO's discretionary sale of roughly $350K may prompt short‑term scrutiny but is unlikely to alter long‑term fundamentals.

02

Market read

Primary insider filing with modest monetary value; limited trading relevance.

03

What to watch

CFO may be diversifying holdings; no 10b5‑1 plan indicates discretionary decision.

Relevance 4/10Novelty 4/10Timing: post‑market 2026‑09‑10

Background

Amylyx Pharmaceuticals (AMLX) is a biotech focused on neurodegenerative disease therapies.

Company-level read

Ticker impact

$AMLXBearishMedium confidence
Context

Chief Financial Officer sold 10,810 shares for $349,821 on 2026-09-10, reducing his stake to 233,625 shares.

Expected impact

Possible short‑term dip of 1‑2% as market digests the sale.

Evidence & confidence

Sale size is modest relative to market cap, but CFO insider sales often attract attention; no 10b5‑1 plan suggests discretionary timing.

Market effects

Limited impact on biotech sector; similar insider sales are common.

No regional effect.

Minimal.

Counterpoint

The sale could be a routine portfolio rebalancing rather than a negative signal.

Key entities

  • FRATES JAMES M

    Chief Financial Officer of Amylyx Pharmaceuticals.

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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