Company · CIK 0001658551 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Amylyx Pharmaceuticals, Inc. · AMLX
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 10, 2026 SForm 4 → | Sep 14, 4:00 pm EDT | Camille L BedrosianChief Medical Officer | 10,028 | $32.40 | $324,868 | 278,064 | −3.48% | |
| Sep 10, 2026 SForm 4 → | Sep 14, 4:00 pm EDT | James M FratesChief Financial Officer | 10,810 | $32.36 | $349,821 | 233,625 | −4.42% | |
| Sep 10, 2026 SForm 4 → | Sep 14, 4:00 pm EDT | Gina MazzarielloChief Legal Officer | 9,536 | $32.46 | $309,506 | 190,838 | −4.76% | |
| Sep 10, 2026 SForm 4 → | Sep 14, 4:00 pm EDT | Justin B. KleeCo-Chief Executive Officer, Director | 30,464 | $32.18 | $980,263 | 3,613,056 | −0.84% | |
| Sep 10, 2026 SForm 4 → | Sep 14, 4:00 pm EDT | Joshua B CohenCo-Chief Executive Officer, Director | 30,464 | $32.19 | $980,504 | 3,613,123 | −0.84% | |
| Aug 31, 2026 MForm 4 → | Sep 2, 4:00 pm EDT | Karen FirestoneDirector | 50,000 | $3.41 | $170,250 | 116,900 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 31, 2026 MForm 4 → | Sep 2, 4:00 pm EDT | Karen FirestoneDirector | 50,000 | — | — | 0 | — |