Klee Justin B. — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Klee Justin B. is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $3.10M.

Profile

Klee Justin B.

Justin B. Klee is the Co-Chief Executive Officer of Amylyx Pharmaceuticals, Inc., a clinical-stage pharmaceutical company focused on developing treatments for neurodegenerative diseases. He has been involved in the company's operations and strategic direction, contributing to its mission of addressing serious health challenges.

RoleInsider
Notability30/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-03-09AMLXAmylyx Pharmaceuticals, Inc.A — Grant or award248.9K$0.00
2026-03-04AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale29.3K$14.47$424K
2026-02-04AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale15.5K$14.69$228K
2026-01-21AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale2.0K$13.89$28K
2026-01-21AMLXAmylyx Pharmaceuticals, Inc.M — Option exercise2.8K$7.57$22K
2026-01-21AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale136.2K$13.58$1.85M
2026-01-21AMLXAmylyx Pharmaceuticals, Inc.M — Option exercise197.2K$7.57$1.49M
2026-01-08AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale7.7K$11.09$86K
2025-09-30AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale200$15.01$3K
2025-09-30AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale29.8K$14.37$428K
2024-11-06AMLXAmylyx Pharmaceuticals, Inc.M — Option exercise63.7K$1.57$100K
2024-10-02AMLXAmylyx Pharmaceuticals, Inc.S — Open-market sale18.6K$3.20$59K

Frequently Asked Questions

Who is Klee Justin B.?

Justin B. Klee is the Co-Chief Executive Officer of Amylyx Pharmaceuticals, Inc., a clinical-stage pharmaceutical company focused on developing treatments for neurodegenerative diseases. He has been involved in the company's operations and strategic direction, contributing to its mission of addressing serious health challenges.…

Has Klee Justin B. been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 8 open-market sales ($3.10M) across all tracked filings.

Where can I see all of Klee Justin B.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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