0001562180-21-000077 4 1 20201231 20210105 20210105 Lockard Steven C 0001678420 4 34 001-37839 21505390 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 2020-12-31 false 0001455684 TPI COMPOSITES, INC TPIC 0001678420 Lockard Steven C 8501 NORTH SCOTTSDALE ROAD, GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 true false false false Common Stock 2020-12-31 4 M false 56744.00 0.00 A 402180.00 D Restricted Stock Units 2020-12-31 4 M false 56744.00 0.00 D Common Stock 56744.00 0.00 D The Performance Based RSUs vested in full on December 31, 2020. The reporting person was eligible to receive 100% of the Performance Based RSUs if (i) the Issuer's 30 day, volume weighted average stock price exceeded the following stock price hurdles: $28, $33 and $38; and (ii) the reporting person provided continuous service to the Issuer, during the applicable performance period of the underlying award (March 14, 2018 to December 31, 2020). Each 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. /s/ Steven G. Fishbach, Attorney-in-Fact 2021-01-05