Sean M. Murphy
Milbank Tweed Hadley and McCloy LLP
- Address of record
- 1 Chase Manhattan Plaza, New York, NY 10005, (212) 530-5688
- smurphy@milbank.com
- Phone
- (212) 530-5688
- Fax
- Fax Pro Hac Vice
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Josephson v. Kalshi Data Breach Class Action
A proposed class action against Kalshi, Inc. and related entities, apparently concerning fraud. The case was voluntarily dismissed without prejudice shortly after filing, suggesting either procedural issues or potential settlement discussions early in litigation.
- Filed
- May 18, 2026
- Represents
- Kalshi Inc., KalshiEX LLC, Kalshi Klear LLC, Kalshi Klear Inc., Kalshi Trading LLC
Josephson v. Kalshi Class Action
This proposed class action alleges fraud by Kalshi, Inc., apparently a financial or trading platform. Based solely on the caption and nature of suit designation (fraud), the complaint appears to involve allegations of deceptive practices, though specific details are not available from the docket metadata provided.
- Filed
- January 8, 2026
- Represents
- Kalshi, Inc., Kalshiex, LLC, Kalshi Klear, LLC, Kalshi Klear, Inc., Kalshi Trading, LLC
“Recovery” and “exposure” refer to total disclosed settlement funds in associated cases, not money personally won or lost by an attorney. Settlements generally resolve disputed allegations without a finding that either side won. Data comes from public court dockets and may be incomplete.