[Form 4] TIGO ENERGY, INC. Insider Trading Activity

Rhea-AI Filing Summary

Tian Jing, Chief Growth Officer of TIGO ENERGY, INC. (TYGO), reported a withholding-based disposition of common stock to satisfy tax obligations arising from vested restricted stock units. On 09/16/2025 the reporting person had 11,031 shares of Common Stock withheld at a price of $1.65 per share under an exempt Rule 16b-3(e) disposition to cover taxes related to RSU vesting. After the transaction, the reporting person beneficially owned 272,729 shares, which include RSUs granted on August 11, 2023 (14,492 shares), September 16, 2024 (47,516 shares), and August 1, 2025 (77,124 shares), each subject to multi-year vesting schedules tied to continued service.

Positive

• Retained substantial ownership: Reporting person beneficially owns 272,729 shares after the withholding disposition.
• Transparent disclosure: Filing details RSU grant dates and vesting schedules for 2023, 2024, and 2025 awards.

Negative

• Shares withheld to satisfy tax obligations: 11,031 shares were disposed of at $1.65 per share on 09/16/2025.

Insights

Securities Analyst

TL;DR: A routine tax-withholding disposition reduced holdings by 11,031 shares; significant remaining stake remains at 272,729 shares.

The Form 4 discloses an exempt disposition under Rule 16b-3(e) where 11,031 shares were withheld to satisfy tax withholding on vested RSUs. The price reported for the withheld shares is $1.65 per share. The filing documents outstanding RSU grants from 2023, 2024 and 2025 with standard three-year cliff/annual vesting schedules tied to continued service. This is a common administrative transaction rather than an open-market sale and does not indicate a change in compensation policy or insider sentiment beyond normal vesting mechanics.

Corporate Governance Expert

TL;DR: Administrative withholding for taxes on vested RSUs; vesting schedules and retained ownership are clearly disclosed.

The filing transparently records tax-withholding in connection with RSU vesting and specifies the composition of the reporting person’s beneficial holdings. Footnotes identify grant dates and vesting cadence: one-third of each RSU grant vests on each of the first three anniversaries, subject to continued service. The disclosure follows Section 16 reporting requirements and provides sufficient detail on the nature and timing of awards and withholdings.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Tian Jing

(Last) (First) (Middle)

983 UNIVERSITY AVENUE,

SUITE B

(Street)

LOS GATOS CA 95032

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TIGO ENERGY, INC. [ TYGO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Growth Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/16/2025		F		11,031(1)	D	$1.65	272,729(2)(3)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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").

2. Includes 14,492 shares of Common Stock underlying RSUs granted to the reporting person on August 11, 2023 (the "August 2023 Grant Date"), 47,516 shares of Common Stock underlying RSUs granted to the reporting person on September 16, 2024 (the "September 2024 Grant Date"), and 77,124 shares of Common Stock underlying RSU's granted to the reporting person on August 1, 2025 (the "August 2025 Grant Date") in each case, pursuant to the Issuer's 2023 Incentive Plan. One-Third (1/3) of the RSUs initially granted to the reporting person on August 11, 2023 vested and were delivered to the reporting person on August 11, 2024, the first anniversary of the August 2023 Grant Date, and one-third of the RSUs subject to the grant shall vest and be deliverable to the reporting person on each of the second and third anniversaries of the August 2023 Grant Date, subject to continued service through each such vesting date.

3. (Continuation of the Footnote (2)) One-Third (1/3) of the RSUs granted to the reporting person on September 16, 2024 vested and were delivered to the reporting person on September 16, 2025, the first anniversary of the September 2024 Grant Date, and one-third of the RSUs subject to the grant shall vest and be deliverable to the reporting person on each of the second and third anniversaries of the September 2024 Grant Date, subject to continued service through each such vesting date. One-Third (1/3) of the RSUs granted to the reporting person on August 1, 2025 shall vest, and an equal number of shares of Common Stock will be deliverable to the reporting person, on each of the first three anniversaries of the August 2025 Grant Date, subject to continued service through each such vesting date.

	/s/ Bill Roeschlein, as attorney-in-fact	09/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Tian Jing report on Form 4 for TYGO?

The report shows a tax-withholding disposition of 11,031 common shares at $1.65 per share on 09/16/2025 related to vested RSUs.

How many TYGO shares does the reporting person beneficially own after the transaction?

The reporting person beneficially owns 272,729 shares following the reported transaction.

Which RSU grants are included in the reported beneficial ownership?

The beneficial ownership includes RSUs from the August 11, 2023 grant (14,492 shares), September 16, 2024 grant (47,516 shares), and August 1, 2025 grant (77,124 shares).

Why were shares disposed of on the Form 4?

Shares were withheld in an exempt disposition under Rule 16b-3(e) to satisfy tax withholding obligations arising from RSU vesting.

What vesting schedule applies to the RSU grants disclosed?

Each disclosed RSU grant vests in three equal annual installments (one-third on each of the first three anniversaries), subject to continued service.