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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

LANDMARK EQUITY ADVISORS LLC /ADV
2. Issuer Name and Ticker or Trading Symbol

TPI COMPOSITES, INC [ TPIC ]
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)

10 MILL POND LANE
3. Date of Earliest Transaction (MM/DD/YYYY)

5/17/2017
(Street)

SIMSBURY, CT 06070
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   5/17/2017     S    1245348   D $16.35   4778491   I   See Footnote   (1)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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

Explanation of Responses:
(1)  These securities are held of record by Landmark Growth Capital Partners, L.P. ("LGCP") and Landmark IAM Growth Capital, L.P. ("Landmark IAM"). Landmark Growth Capital Partners, LLC ("LGCP LLC") is the general partner of both Landmark LGCP and Landmark IAM, and Landmark Equity Advisors, LLC ("LEA LLC") is the managing member of LGCP LLC. This report on Form 4 is jointly filed by LGCP, Landmark IAM, LGCP LLC and LEA LLC. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
LANDMARK EQUITY ADVISORS LLC /ADV
10 MILL POND LANE
SIMSBURY, CT 06070

X

LANDMARK GROWTH CAPITAL PARTNERS LP
10 MILL POND LANE
SIMSBURY, CT 06070

X

LANDMARK IAM GROWTH CAPITAL LP
10 MILL POND LANE
SIMSBURY, CT 06070

X

Landmark Growth Capital Partners, LLC
10 MILL POND LANE
SIMSBURY, CT 06070

X


Signatures
/s/ Steven G. Fishbach, Attorney-in-Fact for Landmark Equity Advisors, LLC 5/18/2017
** Signature of Reporting Person Date

/s/ Steven G. Fishbach, Attorney-in-Fact for Landmark Growth Capital Partners, L.P. 5/18/2017
** Signature of Reporting Person Date

/s/ Steven G. Fishbach, Attorney-in-Fact for Landmark IAM Growth Capital, L.P. 5/18/2017
** Signature of Reporting Person Date

/s/ Steven G. Fishbach, Attorney-in-Fact for Landmark Growth Capital Partners, LLC 5/18/2017
** Signature of Reporting Person Date


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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.