Karen Firestone Amylyx Pharmaceuticals, Inc. (AMLX) insider trading activity

AMLX Quotes by TradingView

Karen Firestone is of Amylyx Pharmaceuticals, Inc.. Currently has a direct ownership of 63,100 shares of AMLX, which is worth approximately $800,739. The most recent transaction as insider was on Dec 23, 2025, when has been sold 8,100 shares (Common Stock) at a price of $12.45 per share, resulting in proceeds of $100,845. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 63.1K
14.73% 3M change
14.73% 12M change
Total Value Held $800,739

Karen Firestone Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 23 2025
BUY
Open market or private purchase
$100,845 $12.45 p/Share
8,100 Added 11.38%
63,100 Common Stock
Sep 05 2024
BUY
Open market or private purchase
$106,500 $2.13 p/Share
50,000 Added 47.62%
55,000 Common Stock
Dec 15 2023
BUY
Open market or private purchase
$59,880 $14.97 p/Share
4,000 Added 44.44%
5,000 Common Stock
Mar 16 2023
BUY
Open market or private purchase
$31,990 $31.99 p/Share
1,000 Added 50.0%
1,000 Common Stock
KF

Karen Firestone

Cambridge, MA

Track Institutional and Insider Activities on AMLX

Follow Amylyx Pharmaceuticals, Inc. and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells AMLX shares.

Notify only if

Insider Trading

Get notified when an Amylyx Pharmaceuticals, Inc. insider buys or sells AMLX shares.

Notify only if

News

Receive news related to Amylyx Pharmaceuticals, Inc.

Choose your preferred platform and Sign Up 👇 Telegram Email
Track Activities on AMLX