Justin B. Klee

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Cambridge, MA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Joshua B. Cohen, as Attorney in Fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Justin B. Klee

Form 4 holding Co-Chief Executive Officer, Director

Amylyx Pharmaceuticals, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
373,295
Estimated value
Report date
05 Mar 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Justin B. Klee

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