William E. Siwek - 18 Mar 2025 Form 4 Insider Report for TPI COMPOSITES, INC (TPIC)

Role: President and CEO
Signature: /s/ Steven G. Fishbach, Attorney-in-Fact
Issuer symbol: TPIC
Transactions as of: 18 Mar 2025
Net transactions value: -$5,036
Form type: 4
Filing time: 20 Mar 2025, 16:04:35 UTC
Previous filing: 12 Mar 2025
Next filing: 21 Mar 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TPIC	Common Stock	Options Exercise	$0	+17,385	+7%	$0.000000	264,945	18 Mar 2025	Direct
transaction	TPIC	Common Stock	Tax liability	$5,036	-4,842	-1.8%	$1.04	260,103	18 Mar 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TPIC	Restricted Stock Units	Options Exercise	$0	-17,385	-25%	$0.000000	52,153	18 Mar 2025	Common Stock	17,385		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the shares required to satisfy tax withholding obligations in connection with the vesting of 17,385 restricted stock units ("RSUs").
F2	25% of the RSUs vested in full on the first anniversary of the grant date, 25% will vest on the second anniversary of the grant date and 50% will vest on the third anniversary of the grant date; provided that the Reporting Person continues to provide service to the Issuer through the vesting date. The RSUs do not have an expiration date.
F3	Each restricted stock unit ("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.