Shawn Anthony Williams
Robbins Geller Rudman & Dowd LLP
- Address of record
- Post Montgomery Center, One Montgomery Street, Suite 1800, San Francisco, CA 94104, (415) 288-4545
- shawnw@rgrdlaw.com
- Phone
- (415) 288-4545
- Fax
- Fax (415) 288-4534
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Robinhood Prediction Market Class Action
This proposed class action concerns Robinhood's prediction market offerings. Based solely on the case caption and nature of suit, the lawsuit apparently alleges some violation or misconduct related to prediction market activities, potentially affecting ordinary retail investors or users of Robinhood's platform who participated in such markets.
- Filed
- April 22, 2026
- Represents
- Prabhdeep Chehal, Viral Patel, Chaim Levi, Michael Gayed, Jeffrey Ngafua, Matthew Mazza, Kevin Austin, Rick Gregory, Timothy Collar, Jason Jordan, Christopher Reyes, Kaden Dean, Jason Gordon, Michael Hernandez, Matthew Kerr, Tanish Kumar, Ben Mitrzyk, Rakesh Puthenveettil, Jonathan Simon
Robinhood Cash Sweep Program Class Action
A proposed class action against Robinhood entities apparently concerning the Robinhood Cash Sweep Program. The docket entries reflect class certification briefing and related sealing motions, but the specific allegations are not detailed in the provided metadata. These are allegations in a newly filed case, not proven facts.
- Filed
- October 25, 2024
- Represents
- Basudeb Dey
Doximity Securities Litigation Settlement
The Court-appointed Lead Plaintiff settled the securities litigation against Doximity for $31,000,000 in cash. Class members purchased or acquired Doximity common stock during the specified period and were damaged by the alleged conduct.
- Settlement fund
- $31M
- Claim deadline
- July 16, 2026
- Represents
- North Collier Fire Control and Rescue District Firefighter Pension Plan, Cleveland Bakers and Teamsters Pension Fund, Genesee County Employees' Retirement System
Alta Mesa Resources Securities Litigation Settlement
Class plaintiffs alleged securities law violations against Alta Mesa Resources and related defendants concerning the company's merger and business combination. The defendants have agreed to settle all claims for $126.3 million in cash, with the Court entering final judgment approving the settlement on May 6, 2025.
- Settlement fund
- $126.3M
- Claim deadline
- Represents
- Plumbers and Pipefitters National Pension Fund
Ripple Labs XRP Securities Class Action
Ripple Labs and its CEO Bradley Garlinghouse are being sued over allegations related to the sale of XRP cryptocurrency. The lawsuit alleges federal and California state securities law violations regarding how XRP was sold to purchasers in the United States.
- Claim deadline
- Represents
- Vladi Zakinov, David Oconer, Avner Greenwald
“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.