0001562180-20-006797 4 1 20201117 20201119 20201119 Castle Thomas J 0001678414 4 34 001-37839 201329073 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 2020-11-17 false 0001455684 TPI COMPOSITES, INC TPIC 0001678414 Castle Thomas J 8501 NORTH SCOTTSDALE ROAD, GAINEY CENTER II, SUITE 100 SCOTTSDALE AZ 85253 false true false false * See Remarks Common Stock 2020-11-17 4 M false 41796.00 16.5333 A 41796.00 D Common Stock 2020-11-17 4 S false 41796.00 39.5609 D 0.00 D Stock Option (Right to Buy) 16.5333 2020-11-17 4 M false 41796.00 0.00 D 2025-12-23 Common Stock 41796.00 74240.00 D This transaction was executed in multiple trades at prices ranging from $39.25 to $40.00. The price reported above reflects the weighted-average price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected The option representing a right to purchase a total of 174,940 shares, 25% of the Option Shares shall vest on the first anniversary of the effective date of the Companys initial public offering of its common stock, and thereafter 6.25% of the Option Shares shall vest per quarter on each quarterly anniversary date for the ensuing 12 quarters until the 12th ensuing quarter whereby all remaining shares shall vest. provided, that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. *SVP, Operations, Strategic Markets /s/ Steven G. Fishbach, Attorney-in-Fact 2020-11-19