DIANE P. SULLIVAN
WEIL GOTSHAL & MANGES LLP
- Address of record
- 767 FIFTH AVENUE, NEW YORK, NY 10153, 609-986-1120
- Phone
- (609) 986-1120
- Fax
- Fax 212-310-8007
Contact details as filed with the court in the cases below.
Case history
Publicly tracked matters where this attorney is listed as counsel.
Constellation Energy Antitrust Class Action
This is a proposed class action against Constellation Energy Corporation, apparently concerning antitrust violations. The docket text references a motion for preliminary approval of a settlement with other energy companies, but the specific allegations against Constellation are not detailed in the provided excerpt.
- Filed
- July 11, 2025
- Represents
- Duke Energy Corporation, Progress Energy, Inc., Duke Energy Carolinas, LLC, Duke Energy Business Services, LLC
Hayward Holdings, Inc. Securities Litigation
Defendants Hayward Holdings, Inc., its CEO, and CFO allegedly made materially false and misleading statements and omissions regarding inventory, growth, and demand trends for Hayward's pool products during the class period. The allegations claim that the stock traded at artificially inflated prices as a result, and shareholders suffered damages when the truth was revealed and the stock price declined.
- Settlement fund
- $19.9M
- Claim deadline
- June 19, 2026
- Represents
- MSD PARTNERS, L.P.
Hayward Holdings, Inc. Securities Litigation Settlement
Hayward Holdings, Inc. and its CEO and CFO allegedly made materially false and misleading statements and omissions regarding inventory, growth, and demand trends for Hayward's pool products during October 27, 2021 through July 28, 2022. As a result, Hayward's stock traded at artificially inflated prices, and shareholders suffered damages when the stock price declined after the alleged truth was revealed. Defendants violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934.
- Settlement fund
- $19.9M
- Claim deadline
- June 19, 2026
- Represents
- MSD PARTNERS, L.P.
“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.