0001562180-21-003665 4 1 20210518 20210520 20210520 Weiss Daniel G 0001679525 4 34 001-37839 21944667 8501 N. SCOTTSDALE ROAD GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 TPI COMPOSITES, INC 0001455684 3510 201590775 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 X0306 4 2021-05-18 false 0001455684 TPI COMPOSITES, INC TPIC 0001679525 Weiss Daniel G 2029 CENTURY PARK EAST SUITE 2980 LOS ANGELES CA 90067 true false false false Common Stock 2021-05-18 4 M false 4363.00 0.00 A 18469.00 D Common Stock 27571.00 I See Footnote Restricted Stock Units 2021-05-18 4 M false 4363.00 0.00 D Common Stock 4363.00 0.00 D Restricted Stock Units 2021-05-18 4 A false 2335.00 0.00 A Common Stock 2335.00 2335.00 D The Reporting Person is contractually obligated to turn over any proceeds from the sale of these shares to Angeleno Investors II, L.P ("AI II LP") and/or certain entities affiliated with AI II LP. The Reporting Person 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 his pecuniary interest therein, if any. These securities are held directly by AI II LP. Angeleno Group Management II, LLC is the General Partner of AI II LP and Angeleno Group, LLC is the Managing Member of Angeleno Group Management II, 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, except to the extent of its pecuniary interest therein, if any. The restricted stock units ("RSUs ") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the next annual meeting of stockholders of the Issuer, subject to the Reporting Person's continued service as a director pursuant to the Issuer's Non-Employee Director Compensation Policy. Each RSU represents a contingent right to receive one share of Common Stock. All unvested RSUs will automatically expire upon the Reporting Person's termination of service from the Issuer. /s/ Steven G. Fishbach, Attorney-in-Fact 2021-05-20