Sec Form 4 Filing - BISARO PAUL @ Impax Laboratories, LLC - 2018-05-04

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person BISARO PAUL 2. Issuer Name and Ticker or Trading Symbol Impax Laboratories, LLC [ IPXL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O IMPAX LABORATORIES, INC., 30831 HUNTWOOD AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 05/04/2018 (Street) HAYWARD, CA94544 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (Right to Buy) $ 12.7 05/04/2018 D 850,000 ( 1 ) ( 1 ) 03/27/2027 Common Stock 850,000 ( 1 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BISARO PAUL C/O IMPAX LABORATORIES, INC. 30831 HUNTWOOD AVENUE HAYWARD, CA94544 X President and CEO Signatures /s/ Wenchi Liu, by Power of Attorney 05/08/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Options disposed of pursuant to the terms of the Business Combination Agreement, dated as of October 17, 2017, by and among Impax Laboratories, Inc., Atlas Holdings, Inc. ("Holdco"), K2 Merger Sub Corporation and Amneal Pharmaceuticals LLC, as amended by Amendment No. 1, dated as of November 21, 2017, and Amendment No. 2, dated as of December 16, 2017 (the "BCA"), according to which each Option held by the reporting person fully vested and was exchanged for an option to acquire a number of shares of Class A Common Stock of Holdco equal to the number of shares of Common Stock subject to such Option in connection with the closing of the transactions contemplated by the BCA at a per-share exercise price equal to the per-share exercise price of such Option.

Remarks: The filing of this Statement shall not be construed as an admission (a) that the person filing this Statement is, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the beneficial owner of any equity securities covered by this Statement, or (b) that this Statement is legally required to be filed by such person.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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