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 OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 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 *
Hillair Capital Investments LP
   2. Issuer Name and Ticker or Trading Symbol
SG BLOCKS, INC. [SGBX] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O HILLAIR CAPITAL MANAGEMENT LLC, 345 LORTON AVENUE, SUITE 303		 3. Date of Earliest Transaction (Month/Day/Year)
01/11/2019
(Street)

BURLINGAME, CA 94010		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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
Common Stock 01/11/2019   S   761 D $ 3.21 444,297 D (1)  
Common Stock 01/14/2019   S   9,800 D $ 3.2 434,497 D (1)  

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)		 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Hillair Capital Investments LP
C/O HILLAIR CAPITAL MANAGEMENT LLC
345 LORTON AVENUE, SUITE 303
BURLINGAME, CA 94010		     X    
Hillair Capital Management LLC
C/O HILLAIR CAPITAL MANAGEMENT LLC
345 LORTON AVENUE, SUITE 303
BURLINGAME, CA 94010		     X    
McAvoy Sean M
C/O HILLAIR CAPITAL MANAGEMENT LLC
345 LORTON AVENUE, SUITE 303
BURLINGAME, CA 94010		     X    

Signatures

 Hillair Capital Investments L.P. /s/ Sean M. McAvoy, Authorized Signatory   01/15/2019
**Signature of Reporting Person Date
 Hillair Capital Management LLC /s/ Sean M. McAvoy, Authorized Signatory   01/15/2019
**Signature of Reporting Person Date
 /s/ Sean M. McAvoy   01/15/2019
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The securities reported herein are owned directly by Hillair Capital Investments L.P., a Cayman Islands limited partnership ("Hillair Investments"), and indirectly by Hillair Capital Management LLC ("Hillair Management"), as the investment advisor of Hillair Investments, and Sean M. McAvoy ("Mr. McAvoy"), as the manager of Hillair Management. Hillair Management and Mr. McAvoy disclaim beneficial ownership of the reported securities except to the extent of their pecuniary interest therein.

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