Firestone Karen
SEC Form 4 insider trading activity
Firestone Karen has filed 3 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Sep 2, 2026.
On the most recent filing, Firestone Karen is listed as Director at Amylyx Pharmaceuticals, Inc. Inside the rolling window, Firestone Karen reported 2 open-market purchases totaling $152K in AMLX and no open-market sales. The largest disclosed transaction in the window is a purchase of 8,100 AMLX shares on Dec 23, 2025, worth $101K.
Companies traded
Other insiders at AMLX
Insider Buying
$152K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Firestone Karen made?
Firestone Karen has filed 3 SEC Form 4 filings (4 transaction rows) across 1 company since 2025.
Which companies does Firestone Karen trade?
Firestone Karen has filed SEC Form 4 disclosures for 1 company, including AMLX.
When was Firestone Karen's most recent SEC Form 4 filing?
Firestone Karen's most recent SEC Form 4 filing on Tracefour is dated Sep 2, 2026.
What is Firestone Karen's total buy and sell value in the current window?
Inside the rolling retention window, Firestone Karen bought $152K and sold $0 based on SEC Form 4 filings.
What was Firestone Karen's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 8,100 AMLX shares on 2025-12-23, worth $101K, per SEC Form 4 filings.