Have Amylyx Pharmaceuticals Insiders Been Selling Stock?

Amylyx Pharmaceuticals' co-founder Joshua Cohen sold $950k worth of stock at $32.16 per share, reducing his holding by 0.9%. This was the largest insider sale in the past year, occurring below the current price of $33.15. Insiders have sold more shares than bought over the past year, with total insider ownership at 6.2% of the company.

Original reporting
Published Sep 16, 2026, 10:38 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 11:10 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.
Have Amylyx Pharmaceuticals Insiders Been Selling Stock? — source image
Decision brief

The 30-second read

Low
01

Why it matters

The disclosed Form 4 filing provides fresh data on insider holdings, but the modest transaction size limits material impact.

02

Market read

Small‑scale insider sale; limited trading relevance.

03

What to watch

Insider retains 99.1% ownership and remains invested, which may offset negative perception.

Relevance 4/10Novelty 4/10Timing: recent insider sale

Background

Amylyx Pharmaceuticals (NASDAQ: AMYX) is a biotech focused on rare neurological diseases. Insider activity is often monitored for signals.

Market effects

Minimal; biotech sector unlikely to react broadly to a single insider sale.

None; the event is company‑specific.

Negligible.

Counterpoint

The sale could be a strategic rebalancing rather than a lack of confidence, so price may stay stable.

Key entities

  • Joshua Cohen

    Co‑Founder and insider of Amylyx Pharmaceuticals.

Related articles

$AMLXLowAI 8/10

Amylyx's Avexitide Phase III Win Sets Up FDA Filing for PBH Treatment

Amylyx Pharmaceuticals reported positive Phase III results for avexitide in treating PBH, with plans to file for FDA approval by year-end. The company estimates 160,000 U.S. patients with PBH, with 120,000 following Roux-en-Y gastric bypass. Management is preparing for a potential 2024 or 2027 launch, depending on the FDA label. Amylyx is also developing AMX0318 for PBH, targeting an IND filing next year.

$AMLXHighAI 8/10

Amylyx Stock Tumbles As Rally Meets Dilution Jitters

Amylyx Pharmaceuticals (AMLX) shares fell as investors took profits after a rally driven by positive Phase 3 data for avexitide. Concerns include valuation, dilution from a $500M stock offering, and insider sales. The company faces high funding needs for commercialization around 2027, shifting focus to financial costs and capital access.

$AMLXHigh

Why Is AMLX Stock Popping 14% After Hours?

Amylyx Pharmaceuticals (AMLX) shares rose 14% after-hours as it prepares to release Phase 3 trial results for avexitide, its lead drug candidate for post-bariatric hypoglycemia. The trial's success could support a 2027 regulatory filing. AMLX has no FDA-approved therapies currently, and its cash runway extends into 2028. Mizuho raised its price target to $30, citing potential launch pricing updates.

$AMLXMedAI 8/10

Is GLP-1 Stock Amylyx Still a Buy After Skyrocketing 247%?

Amylyx Pharmaceuticals (AMLX) has surged 247% this year after positive trial results for its experimental treatment, avexitide, which met all endpoints. The company aims to submit avexitide for FDA approval by year-end, with analysts estimating $1.5B in peak U.S. sales. Amylyx recently raised $500M through a stock offering. The stock is trading at $34.74, with a market cap of $4.2B.

$AMLXHighAI 8/10

1 Stock Amylyx Still a Buy After Skyrocketing 247%?

Amylyx Pharmaceuticals (AMLX) raised $500M, strengthening its balance sheet. Its experimental drug, avexitide, reduced serious hypoglycemic events by 55% in a phase 3 trial, with potential FDA submission by year-end. Analysts estimate peak U.S. sales at $1.5B. The stock has surged 247% year-to-date, but analysts suggest a pullback to $28-$30 per share for better entry.