Sec Form 4/A Filing - McLaughlin Gerald W. @ Neos Therapeutics, Inc. - 2019-03-01

FORM 4/A 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 McLaughlin Gerald W. 2. Issuer Name and Ticker or Trading Symbol Neos Therapeutics, Inc. [ NEOS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) C/O NEOS THERAPEUTICS, INC., 2940 N. HWY 360 3. Date of Earliest Transaction (MM/DD/YY) 03/01/2019 (Street) GRAND PRAIRIE, TX75050 4. If Amendment, Date Original Filed (MM/DD/YY) 03/04/2019 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) $ 2.31 03/01/2019 A 392,688 ( 1 ) 03/01/2029 Common Stock 392,688 $ 0 392,688 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other McLaughlin Gerald W. C/O NEOS THERAPEUTICS, INC. 2940 N. HWY 360 GRAND PRAIRIE, TX75050 X Chief Executive Officer Signatures /s/ Richard Eisenstadt, attorney in fact 03/22/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This stock option will vest in four equal, annual installments beginning on March 1, 2019.

Remarks: Explanatory Note: This Amendment is being filed to reflect the correct vesting terms of the Stock Option described in the Reporting Person's original report filed on March 4, 2019. Of the 523,583 shares of the Issuer's Common Stock underlying the Stock Option, 392,688 shares are subject to time-based vesting and 130,895 shares (the "Performance Options") are subject to vesting upon the satisfaction of certain performance criteria for the fiscal year ending December 31, 2019. The Reporting Person will report the acquisition of the Performance Options if and when they vest.

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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