Yahui Chang - Oct 7, 2025 Form 4 Insider Report for TIGO ENERGY, INC. (TYGO)

Role: Chief Operating Officer
Signature: /s/ Bill Roeschlein, as attorney-in-fact
Stock symbol: TYGO
Transactions as of: Oct 7, 2025
Transactions value $: -$45,975
Form type: 4
Date filed: 10/9/2025, 05:25 PM
Previous filing: Aug 5, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Chang Yahui	Chief Operating Officer	983 UNIVERSITY AVENUE, SUITE B, LOS GATOS	/s/ Bill Roeschlein, as attorney-in-fact	2025-10-09	0001976736

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TYGO	Common Stock	Tax liability	-$46K	-17.2K	-7.72%	$2.68	205K	Oct 7, 2025	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Represents shares of common stock, par value $0.0001 per share ("Common Stock") withheld in an exempt disposition to the Issuer under Rule 16b-3(e) to satisfy tax withholding obligations of the reporting person arising out of the vesting of previously reported restricted stock units ("RSUs").
F2	Includes 96,000 shares of Common Stock underlying restricted stock units ("RSUs") granted to the reporting person on November 11, 2024 (the "Grant Date") pursuant to the Issuer's 2023 Incentive Plan. One-Third (1/3) of the RSUs granted to the reporting person vested and were delivered on October 7, 2025, the fist anniversary of the Grant Date, and one-third (1/3) of the RSUs subject to the grant shall vest and be deliverable on each of the second and third anniversaries of the Grant Date, subject to continued service through each such vesting date.

Content

Represents shares of common stock, par value $0.0001 per share ("Common Stock") withheld in an exempt disposition to the Issuer under Rule 16b-3(e) to satisfy tax withholding obligations of the reporting person arising out of the vesting of previously reported restricted stock units ("RSUs").

Includes 96,000 shares of Common Stock underlying restricted stock units ("RSUs") granted to the reporting person on November 11, 2024 (the "Grant Date") pursuant to the Issuer's 2023 Incentive Plan. One-Third (1/3) of the RSUs granted to the reporting person vested and were delivered on October 7, 2025, the fist anniversary of the Grant Date, and one-third (1/3) of the RSUs subject to the grant shall vest and be deliverable on each of the second and third anniversaries of the Grant Date, subject to continued service through each such vesting date.