Overview and Description of Business | OVERVIEW AND DESCRIPTION OF BUSINESS Atlas Holdings, Inc. (the “Company”, “Atlas Holdings” or following the closing of the Combination (as defined below), “New Amneal”) is a Delaware corporation and a direct wholly-owned subsidiary of Impax Laboratories, Inc. (“Impax”) that was formed by Impax for the purpose of engaging in the proposed combination of the generics and specialty pharmaceutical business of Impax with the generic drug development and manufacturing business of Amneal Pharmaceuticals, LLC (“Amneal”), pursuant to the terms of the Business Combination Agreement (the “BCA”), dated as of October 17, 2017, as amended on November 21, 2017 and December 16, 2017, by and among Impax, Amneal, the Company and K2 Merger Sub Corporation, a direct wholly owned subsidiary of the Company (“Merger Sub”) and the transactions contemplated thereby (the “Combination”). The Combination includes (i) the merger of Impax with Merger Sub, with Impax surviving the merger as a direct wholly owned subsidiary of the Company (the “Impax Merger”) (ii) the conversion of the surviving corporation of the Impax Merger into a Delaware limited liability company, (iii) the contribution by the Company of the of all of the equity interests of Impax to Amneal in exchange for certain equity interests of Amneal and (iv) the issuance by the Company of shares of its Class B Common Stock to the existing members of Amneal (the “Existing Amneal Members”). Following completion of the Combination, Atlas Holdings will be renamed Amneal Pharmaceuticals, Inc. and will become a holding company whose principal asset will be the economic interests in the combined business of Impax and Amneal. References to “New Amneal” throughout this Annual Report on Form 10-K refers to renamed company following the closing of the Combination. As of December 31, 2017 , the Company has no operations and no material assets or liabilities. The Company has not carried on any activities other than those incidental to the Company’s formation and the matters contemplated by the BCA during the period from October 4, 2017, the date of the Company’s formation, to December 31, 2017 . As of December 31, 2017 , the Company had 1,000 shares of its common stock, par value $ 0.01 per share, issued and outstanding to Impax. |