Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Tengler Mark
 2. Date of Event Requiring Statement (Month/Day/Year)
07/22/2015		 3. Issuer Name and Ticker or Trading Symbol
Neos Therapeutics, Inc. [NEOS]
(Last)
(First)
(Middle)
C/O NEOS THERAPEUTICS, INC., 2940 N. HIGHWAY 360		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Technology Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

GRAND PRAIRIE, TX 75050		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 109,560
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Series C Preferred Stock   (1)   (1) Common Stock 2,500 $ (1) D  
Stock Option (Right to Buy)   (2) 05/03/2023 Common Stock 4,445 $ 2.55 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Tengler Mark
C/O NEOS THERAPEUTICS, INC.
2940 N. HIGHWAY 360
GRAND PRAIRIE, TX 75050		       Chief Technology Officer  

Signatures

/s/ Benjamin Piper, attorney-in-fact 07/22/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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).
(1) The Series C preferred stock is convertible into common stock on a 2.4-for-1 basis into the number of shares of common stock as shown in column 3 at any time at the holder's election, and automatically upon the closing of the Issuer's initial public offering. The Series C preferred stock has no expiration date.
(2) This stock option is fully vested and exercisable.
 
Remarks:
Exhibit List: Exhibit 24.1 - Power of Attorney

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