As previously reported, on February 20, 2020, Progenics Pharmaceuticals, Inc. (Progenics) entered into an Amended and Restated
Agreement and Plan of Merger with Lantheus Holdings, Inc. (Lantheus Holdings) and Plato Merger Sub, Inc., a wholly owned subsidiary of Lantheus Holdings (Merger Sub), pursuant to which Merger Sub will merge with and into
Progenics, with Progenics surviving as a wholly owned subsidiary of Lantheus Holdings (the Merger). In connection with the Merger, Progenics filed a definitive proxy statement, dated March 19, 2020, and a supplement to the
definitive proxy statement, dated May 14, 2020 (as supplemented, the Proxy Statement), with the Securities and Exchange Commission (the SEC), relating to the special meeting of its stockholders to be held on
June 16, 2020 to vote on matters related to the Merger.
As of the date of this Current Report on Form
8-K, ten securities lawsuitssix putative class actions and four individual actionshave been filed against Progenics and the board of directors of Progenics (the Progenics Board)
alleging inadequate disclosure by Progenics relating to the Merger, three of which also name Lantheus Holdings and Merger Sub as defendants. Five of ten lawsuits were voluntarily dismissed without prejudice by plaintiffs, with no settlements from,
or other agreed obligations by, the respective defendants thereunder.
On November 22, 2019, a purported stockholder filed a putative
class action complaint in the United States District Court for the District of Delaware, captioned Johnson v. Progenics Pharmaceuticals, Inc., et al., Civil Action No.
1:19-cv-02183 (the Johnson Action), against Progenics and members of the Progenics Board. On March 5, 2020, the Johnson Action was voluntarily dismissed
without prejudice. On November 25, 2019, a second purported stockholder filed a putative class action complaint in the United States District Court for the District of Delaware, captioned Thompson v. Progenics Pharmaceuticals, Inc., et
al., Civil Action No. 1:19-cv-02194, against Progenics, certain members of the Progenics Board, Lantheus Holdings, and Merger Sub. On March 10, 2020, the
Thompson Action was voluntarily dismissed without prejudice. On November 26, 2019, a third purported stockholder filed a complaint in the United States District Court for the Southern District of New York, captioned Wang v. Progenics
Pharmaceuticals, Inc., et al., Civil Action No. 1:19-cv-10936 (the Wang Action), against Progenics and members of the Progenics Board. On June 1,
2020, the Wang Action was voluntarily dismissed without prejudice. On December 9, 2019, a fourth purported stockholder filed a putative class action complaint in the United States District Court for the District of New Jersey, captioned
Michael A. Bernstein IRA v. Progenics Pharmaceuticals, Inc. et al., Civil Action No. 2:19-cv-21200 (the Bernstein IRA Action), against Progenics,
members of the Progenics Board, Lantheus Holdings, and Merger Sub. On April 21, 2020, an amended complaint was filed in the Bernstein IRA Action, and on May 6, 2020, the Bernstein IRA Action was transferred to the United States District
Court for the Southern District of New York under Civil Action No. 1:20-cv-03521. On December 12, 2019, a fifth purported stockholder filed a putative class action
complaint in the United States District Court for the District of Delaware, captioned Pill v. Progenics Pharmaceuticals, Inc., et al., Civil Action No.
1:19-cv-02268, against Progenics and members of the Progenics Board. The purported stockholder voluntarily dismissed this action without prejudice and the court closed
the case on March 10, 2020. On December 20, 2019, a sixth purported stockholder filed a complaint in the United States District Court for the Southern District of New York, captioned Hess v. Progenics Pharmaceuticals, Inc., et al.,
Civil Action No. 1:19-cv-11683 (the Hess Action), against Progenics, Progenics Chief Executive Officer and Chief Financial Officer, and members of the
Progenics Board. On April 8, 2020, an amended complaint was filed in the Hess Action. On June 4, 2020, the Hess Action was voluntarily dismissed without prejudice. On April 2, 2020, a seventh purported stockholder filed a putative
class action complaint in the United States District Court for the Southern District of New York, captioned Goldstone v. Progenics Pharmaceuticals, Inc. et al., Civil Action No.
1:20-cv-02750 (the Goldstone Action), against Progenics, members of the Progenics Board, Lantheus Holdings, and Merger Sub. On April 6, 2020, the
purported stockholder in the Johnson Action filed a new putative class action complaint in the United States District Court for the Southern District of New York, captioned Johnson v. Progenics Pharmaceuticals, et al., Civil Action No. 1:20-cv-02847 (the Johnson S.D.N.Y. Action), against Progenics and members of the Progenics Board. On April 8, 2020, an eighth purported stockholder filed a
complaint in the United States District Court for the Southern District of New York, captioned Krueger v. Progenics Pharmaceuticals Inc., et al., Civil Action No.
1:20-cv-02913 (the Krueger Action), against Progenics and members of the Progenics Board. On June 3, 2020, a ninth purported stockholder filed a
complaint in the United States District Court for the Southern District of New York, captioned Sigrist v. Progenics Pharmaceuticals, et al., Civil Action No.
1:20-cv-04238 (the Sigrist Action), against Progenics and members of the Progenics Board.
The complaints in the Bernstein IRA, Goldstone, Johnson S.D.N.Y., Krueger and Sigrist Actions (collectively, the Merger
Litigation) allege, among other things, that Progenics and the members of the Progenics Board violated Sections 14(a) and 20(a) of the Securities Exchange Act of 1934, as amended (the Exchange Act), and 17 C.F.R. § 244.100 and
Rule 14a-9 promulgated under the Exchange Act, by misstating or omitting certain allegedly material information in the registration statement filed with the SEC on November 12, 2019, the amended
registration statement filed with the SEC on March 16, 2020 and/or the Schedule 14A proxy statement filed with the SEC on March 19, 2020 related to the Merger. The Bernstein IRA Action also alleges that Lantheus Holdings and Merger Sub
violated Sections 14(a) and 20(a) of the Exchange