Chang Yahui - Insider Non-Derivative Transactions at Roth CH Acquisition IV Co. (TYGO) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 7, 2025, Chang Yahui's relationship to Roth CH Acquisition IV Co. (TYGO) is Officer (Chief Operating Officer), and currently has 204,994 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other TYGO insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Chang Yahui - Insider Non-Derivative Transactions of TYGO Common Stock

Chang Yahui - Insider Non-Derivative Transactions at TYGO

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 8, 2025	F -- (Common Stock)	17155	2.68	204994
Aug 2, 2025	Acquisition -- (Common Stock)	78149	0	222149
Nov 12, 2024	Acquisition -- (Common Stock)	144000	0	144000