Karen Firestone

AMLX

Karen Firestone serves as director at Amylyx Pharmaceuticals, Inc. (AMLX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

5 trades

$350.6K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$350.6K

Companies Traded

AMLX

Active Period

Mar 2023 – May 2026

5 total trades

Most Recent

Buy AMLX

May 26, 2026 · $51.3K

Karen Firestone's Insider Trading at Amylyx Pharmaceuticals, Inc. (AMLX)

Buys

5 · $350.6K

Sells

0 · $0.00

Total Shares Bought

66,900

Total Shares Sold

AMLX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 26, 2026	Buy	3,800	$13.51	$51.3K	66,900
Dec 23, 2025	Buy	8,100	$12.45	$100.8K	0
Sep 5, 2024	Buy	50,000	$2.13	$106.6K	0
Dec 15, 2023	Buy	4,000	$14.97	$59.9K	0
Mar 16, 2023	Buy	1,000	$31.99	$32.0K	0