Form4insider filings, from the source

Insider · CIK 0001898314

Justin B. Klee

Files at: AMLX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $980k · 1net −$980k
$10k$10k$100k$100k$1M$1MbuyssalesSep 9Sep 9Sep 9Sep 10Sep 10Sep 10Sep 11

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 SForm 4 →Sep 14, 4:00 pm EDTAmylyx Pharmaceuticals, Inc.AMLX30,464$32.18$980,2633,613,056−0.84%
Aug 18, 2026 AForm 4 →Aug 20, 9:00 pm EDTAmylyx Pharmaceuticals, Inc.AMLX60,039——3,643,520—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.