Amylyx Pharmaceuticals Inc

AMLXNASDAQ
$34.74
-2.44-6.56%
At close: Aug 28, 5:00 PM EST
$34.82
0.080.23%
After Hours: 6:19 PM EST

Amylyx Pharmaceuticals Ownership & Insider Activity

Amylyx Pharmaceuticals (AMLX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 8.3% of shares outstanding. Institutional investors hold 47.4%. Over the past 90 days, insiders made 1 sale worth $539K.

Shares Outstanding

111.086M

Shares Float

85.819M

Insider Shares Owned

9.260M

Insider % Owned

8.3%

Institutional Shares Held

52.777M

Institutional % Held

47.4%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

0

Sales (90d)

1

$539K total

Net Activity

Net Selling

Net Value (90d)

-$539K

Amylyx Pharmaceuticals Insider Transactions (Last 6 Months)

DateInsiderTitleTypeSharesPriceValue
Jul 9, 2026Gina MazzarielloCHIEF LEGAL OFFICERSELL30.000K$17.96$539K
May 21, 2026Karen FirestoneBUY3.800K$13.51$51K

Congressional Trading Activity

DateMemberPartyChamberActionAmount
Oct 12, 2022Chris JacobsRHouseP$1,001 - $15,000