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      • January 2016 (Revised January 2019)
      • Case

      The Allergan Board Under Fire (A)

      By: Lynn S. Paine, Suraj Srinivasan, John C. Coates and David Lane
      In 2014, the Allergan Inc. board of directors received a surprise takeover offer from Valeant Pharmaceuticals in alliance with hedge fund activist Bill Ackman's Pershing Square Capital Management. In the unprecedented arrangement between an acquirer and a hedge fund...  View Details
      Keywords: Allergan, Inc.; Valeant; Ackman; Pershing Square; Tender Offer; Activist Investors; Business Models; R&D; Board Of Directors; Securities Litigation; Acquisition Strategy; Takeover Defenses; Hedge Funds; Shareholder Rights; Proxy Contest; Shareholder Special Meetings; Legal Issues In Contested Takeovers; Governing and Advisory Boards; Mergers and Acquisitions; Corporate Governance; Management Teams; Business and Shareholder Relations; Pharmaceutical Industry
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      Paine, Lynn S., Suraj Srinivasan, John C. Coates, and David Lane. "The Allergan Board Under Fire (A)." Harvard Business School Case 316-010, January 2016. (Revised January 2019.)
      • January 2016 (Revised January 2019)
      • Supplement

      The Allergan Board Under Fire (B)

      By: Lynn S. Paine, Suraj Srinivasan, John C. Coates and David Lane
      In 2014, the Allergan Inc. board of directors received a surprise takeover offer from Valeant Pharmaceuticals in alliance with hedge fund activist Bill Ackman's Pershing Square Capital Management. In the unprecedented arrangement between an acquirer and a hedge fund...  View Details
      Keywords: Allergan, Inc.; Valeant; Ackman; Pershing Square; Tender Offer; Activist Investors; Business Models; R&D; Board Of Directors; Securities Litigation; Acquisition Strategy; Takeover Defenses; Hedge Funds; Shareholder Rights; Proxy Contest; Shareholder Special Meetings; Legal Issues In Contested Takeovers; Corporate Governance; Investment Activism; Business and Stakeholder Relations; Business Model; Business and Shareholder Relations; Valuation; Pharmaceutical Industry
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      Paine, Lynn S., Suraj Srinivasan, John C. Coates, and David Lane. "The Allergan Board Under Fire (B)." Harvard Business School Supplement 316-029, January 2016. (Revised January 2019.)
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