0001562180-21-004181 4 1 20210608 20210610 20210610 Weiss Daniel G 0001679525 4 34 001-37839 211008354 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 2021-06-08 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 2021-06-08 2021-06-08 4 S false 15000.00 45.6233 D 12571.00 I See Footnote Common Stock 2021-06-09 2021-06-09 4 S false 5000.00 46.9373 D 7571.00 I See Footnote Common Stock 18469.00 D This transaction was executed in multiple trades at prices ranging from $45.29 to $45.96. 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. These securities are held directly by Angeleno Investors II, L.P (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. This transaction was executed in multiple trades at prices ranging from $46.84 to $47.28.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 Reporting Person is contractually obligated to turn over any proceeds from the sale of these shares to 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. /s/ Steven G. Fishbach, Attorney-in-Fact 2021-06-10