SEC Form 4 · accession 0001213900-26-087978
TIGO ENERGY, INC. · TYGO
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Yahui Chang
Officer — Chief Operating Officer
Period of report
Aug 7, 2026
Accepted (ET)
Aug 11, 2026 · 9:46 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001855447
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2,F3 | Aug 7, 2026 | A | 62,700 | $0.00 | A | 262,960 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents shares of common stock, par value $0.0001 per share ("Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on August 7, 2026 (the "August 2026 Grant Date") pursuant to the Issuer's 2023 Incentive Plan. One-Third (1/3) of the RSUs 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 2026 Grant Date, subject to continued service through each such vesting date.
- F2Includes 96,000 shares of Common Stock underlying RSUs granted to the reporting person on November 11, 2024 and 52,099 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 November 11, 2024 vested and an equal number of shares of Common Stock were delivered to the reporting person on October 8, 2025, and one-third of the RSUs subject to the grant shall vest, and an equal number of shares of Common Stock will be deliverable to the reporting person, on each of the second and third anniversaries of October 7, 2024, subject to continued service through each such vesting date.
- F3(Continuation of the Footnote (2)) One-Third (1/3) of the RSUs granted to the reporting person on August 1, 2025 vested and an equal number of shares of Common Stock were delivered to the reporting person on August 1, 2026, and one-third of the RSUs subject to the grant shall vest, and an equal number of shares of Common Stock will be deliverable to the reporting person, on each of the second and third anniversaries of the August 2025 Grant Date, subject to continued service through each such vesting date.