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 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 *
  Titan Advisors, LLC
2. Date of Event Requiring Statement (Month/Day/Year)
12/19/2017
3. Issuer Name and Ticker or Trading Symbol
SG BLOCKS, INC. [SGBX]
(Last)
(First)
(Middle)
750 WASHINGTON BLVD., FLOOR 10
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

STAMFORD, CT 06901
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 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)
Class A common stock, $0.01 par value per share 661,008
I
See Footnote (1)

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
Stock Option (right to buy)   (2) 10/31/2026 Common Stock 11,203 $ 3 I See Footnote (1)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Titan Advisors, LLC
750 WASHINGTON BLVD.
FLOOR 10
STAMFORD, CT 06901
    X    
HSPL Holdings, LLC
70 WASHINGTON BLVD.,
10TH FLOOR
STAMFORD, CT 06901
    X    

Signatures

/s/ HSPL HOLDINGS, LLC, by Titan Advisors, LLC, Its Manager, Darren Ross, Principal & Managing Director 01/04/2018
**Signature of Reporting Person Date

/s/ TITAN ADVISORS, LLC by Darren Ross, Principal & Managing Director 01/04/2018
**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 shares of Class A common stock and options reported herein are held of record by HSPL Holdings , LLC. Titan Advisors, LLC is the Manager of HSPL Holdings, LLC. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock, except to the extent of its pecuniary interest therein, and this shall not be deemed to be an admission that HSPL is a beneficial owner of such shares of Common Stock.
(2) The options became exercisable in 25% increments per quarter starting on 12/31/16 and are now fully exercisable.

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