0001562180-24-002878 4 1 20240318 20240320 20240320 Siwek William E 0001645109 4 34 001-37839 24768103 C/O TPI COMPISITES, INC. 8501 N. SCOTTSDALE RD, SUITE 280 SCOTTSDALE AZ 85253 TPI COMPOSITES, INC 0001455684 3510 06 Technology 201590775 1231 8501 N SCOTTSDALE ROAD GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 480-305-8910 8501 N SCOTTSDALE ROAD GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 TPI COMPOSITES INC 20090206 4 1 primarydocument.xml PRIMARY DOCUMENT FORM 4 OMB APPROVAL ? Check this box OMB Number: if no longer 3235-0287 subject to Estimated Section 16. Form average burden 4 or Form 5 hours per obligations may response... 0.5 continue. See Instruction 1(b). ? Check this box UNITED STATES SECURITIES AND EXCHANGE COMMISSION to indicate that Washington, D.C. 20549 a transaction STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF was made SECURITIES pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 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 2. Issuer Name and Ticker 5. Relationship of Person * or Trading Symbol Reporting Person(s) to Siwek William E TPI COMPOSITES, INC [ TPIC Issuer (Check all ] applicable) _____ Director _____ 10% Owner __X__ Officer (give title (Last) (First) (Middle) 3. Date of Earliest below) _____ Other 9200 E PIMA CENTER PKWY, SUITE Transaction (MM/DD/YYYY) (specify below) 250 3/18/2024 President and CEO (Street) 4. If Amendment, Date 6. Individual or SCOTTSDALE, AZ 85258 Original Filed Joint/Group Filing (Check (MM/DD/YYYY) Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More (City) (State) (Zip) than One Reporting Person Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security 2. 2A. 3. Trans. 4. Securities 5. Amount of 6. Ownership 7. Nature of (Instr. 3) Trans. Deemed Code Acquired (A) or Securities Form: Direct Indirect Date Execution (Instr. 8) Disposed of (D) Beneficially (D) or Beneficial Date, if (Instr. 3, 4 and Owned Indirect (I) Ownership any 5) Following (Instr. 4) (Instr. 4) Reported Transaction(s) (Instr. 3 and 4) (A) or Code V Amount (D) Price Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of 2. 3. Trans. Date 3A. 4. Trans. 5. Number of 6. Date Exercisable and Expiration 7. Title and Amount of 8. Price 9. Number of 10. 11. Nature Derivate Security Conversion Deemed Code Derivative Date Securities Underlying of derivative Ownership of (Instr. 3) or Execution (Instr. 8) Securities Acquired Derivative Security Derivative Securities Form of Indirect Exercise Date, if (A) or Disposed of (Instr. 3 and 4) Security Beneficially Derivative Beneficial Price of any (D) (Instr. 5) Owned Security: Ownership Derivative (Instr. 3, 4 and 5) Following Direct (D) (Instr. 4) Security Reported or Transaction(s) Indirect Date Amount or (Instr. 4) (I) Exercisable Expiration Date Title Number of (Instr. 4) Code V (A) (D) Shares Restricted Stock (1) 3/18/2024 A 69,538 (1) (2) (1) (2) Common 69,538 $0 69,538 D Units Stock Explanation of Responses: (1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock. All unvested RSUs will automatically expire upon Reporting Person's termination of service from Issuer. (2) The RSUs will vest in three tranches: 25% vests on the first anniversary of the grant date, 25% vests on the second anniversary of the grant date and 50% vests on the third anniversary of the grant date; provided, that the Reporting Person continues to provide services to the Issuer through the vesting period. Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Siwek William E 9200 E PIMA CENTER PKWY President and CEO SUITE 250 SCOTTSDALE, AZ 85258 Signatures /s/ Steven G. Fishbach, Attorney-in-Fact 3/20/2024 ** 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.