0001562180-21-000078 4 1 20201231 20210105 20210105 Fishbach Steven G 0001678418 4 34 001-37839 21505403 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 0001678418 Fishbach Steven G 8501 NORTH SCOTTSDALE ROAD, GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 false true false false General Counsel and Secretary Common Stock 2020-12-31 4 M false 12769.00 0.00 A 19213.00 D Common Stock 2020-12-31 4 F false 5370.00 52.78 D 13843.00 D Restricted Stock Units 2020-12-31 4 M false 12769.00 0.00 D Common Stock 12769.00 0.00 D Since the date of the reporting person's last ownership report, the reporting person transferred 4,918 shares of TPIC common stock to his ex-wife pursuant to a domestic relations order. The reporting person no longer reports as beneficially owned any securities owned by his ex-wife. Represents the shares required to satisfy tax withholding obligations in connection with the vesting of 12,769 performance based restricted stock units ("Performance Based RSUs"). 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 2021-01-05