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ISSUER PROFILE · CIK 0001658551

Amylyx Pharmaceuticals, Inc.AMLX

2 13D/G filings 1 distinct filers 2 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
1
single filer
Insiders (365d)
2
2 buys · 0 sales
Latest short DTC
9.93
as of 2026-10-15

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $4.05M
Point72 Asset Mgmt

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2023-10-04 SC Morningside Venture Investments Ltd — — view →
2023-04-03 SC Morningside Venture Investments Ltd — — view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-08-18 FRATES JAMES M officer Award 22,807 — —
2026-08-18 Klee Justin B. director, officer Award 60,039 — —

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 13,249,442 9.93 +4.6%
2026-09-30 12,666,971 9.16 -6.3%
2026-09-15 13,512,753 8.64 +6.1%
2026-08-31 12,737,201 2.37 -5.1%
2026-08-14 13,425,106 7.14 +0.2%
2026-07-31 13,401,722 6.84 +9.3%
2026-07-15 12,265,993 9.21 -14.7%
2026-06-30 14,385,180 7.06 +9.6%
2026-06-15 13,121,697 8.12 -12.3%
2026-05-29 14,957,523 16.33 +3.0%
2026-05-15 14,514,401 12.16 -1.9%
2026-04-30 14,800,969 14.26 -0.2%

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