0001562180-21-003658 4 1 20210518 20210520 20210520 Desai Jayshree S 0001716735 4 34 001-37839 21944619 C/O TPI COMPOSITES, INC. 8501 N. SCOTTSDALE ROAD, 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 0001716735 Desai Jayshree S 8501 N SCOTTSDALE ROAD, GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 true false false false Common Stock 2021-05-18 4 M false 4363.00 0.00 A 17535.00 D 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 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