Sean Handler advises institutional investors worldwide on securities litigation and corporate governance matters. His practice focuses on protecting the rights of pension funds, asset managers, sovereign wealth funds and other institutional investors, ensuring accountability in the financial markets.
Sean has also served as principal negotiator in resolving some of the largest securities matters in recent history, including:
- Kraft-Heinz securitiies litigation, which recently settled for $450 million, In re Kraft Heinz Securities Litigation, Case No. 1:19-cv-01339 (N.D. Ill.).
- The Snap Inc. IPO litigation which resolved for $187.5 million, In re Snap Inc. Securities Litigation, Case No. 2:17-cv-03679 (C.D. Cal.).
- The Allergan litigation, which secured a $130 million settlement, In re Allegan Generic Drug Pricing Securities Litigation, Case No. 2:16-cv-09449 (D.N.J.).
Memberships
- American Bar Association
Community Involvement
- Board Member—Seasit (Cancer Recovery Through Recreation)
- Participant and Fundraiser —American Cancer Society’s Bike-A-Thon
Speaking Engagements
Sean also lectures and serves on discussion panels concerning securities litigation matters, most recently appearing at American Conference Institute’s National Summit on the Future of Fiduciary Responsibility and Institutional Investor’s The Rights & Responsibilities of Institutional Investors.
Awards/Rankings
- Lawdragon 500 Leading Plaintiff Financial Lawyer, 2019-2025

News
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Published on April 28, 2026
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Published on March 31, 2026
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News Item: Kessler Topaz Again Named Class Action Litigation Department of the Year by The Legal IntelligencerPublished on May 8, 2017
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Published on April 1, 2013
Practice Areas
Education
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Colby College
B.A. with distinction
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Temple University Beasley School of Law
J.D. cum laude
Admissions
- Pennsylvania
- New Jersey
- New York
- USDC, Eastern District of Michigan
- USDC, Eastern District of Arkansas
- USDC, Western District of Arkansas