Tigo Energy, Inc.: COO Chang Yahui sold 23,463 shares

What happened

• The filing reports that Chang Yahui, chief operating officer, had 23,463 shares of common stock withheld to satisfy tax withholding obligations arising from the vesting of previously reported restricted stock units. The shares were valued at $0.91 per share for a total of $21,351 on Oct 7, 2026.

Key details

• Transaction date and price: Oct 7, 2026 — 23,463 shares withheld at $0.91 per share (transaction code F).
• Filing date and period of report: filed Oct 9, 2026; period of report Oct 7, 2026.
• Shares owned after the transaction: the filing does not state total shares beneficially owned following the transaction.
• Relevant footnotes from the filing:
  • F1: shares withheld in an exempt disposition to the issuer under Rule 16b-3(e) to satisfy tax withholding from RSU vesting.
  • F2: reporting person has RSUs covering 48,000 shares (Nov 11, 2024 grant), 52,099 shares (Aug 1, 2025 grant), and 62,700 shares (Aug 7, 2026 grant) under the 2023 Incentive Plan.
  • F3: one-third of the Nov 2024 grant vested with deliveries on Oct 8, 2025 and Oct 7, 2026; the remaining one-third vests on the third anniversary of Oct 7, 2024 (Oct 7, 2027), subject to continued service.
  • F4: one-third of the Aug 2025 grant vested with delivery on Aug 1, 2026; the remaining one-third portions vest on each of the second and third anniversaries of Aug 1, 2025 (Aug 1, 2027 and Aug 1, 2028). One-third of the Aug 2026 grant vests on each of the first three anniversaries of Aug 7, 2026 (Aug 7, 2027; Aug 7, 2028; Aug 7, 2029), subject to continued service.
• Transaction code meaning: F indicates tax withholding (not a market sale in the ordinary sense).

Why it may matter

• This was a tax-withholding disposition tied to RSU vesting (code F), rather than a typical open-market sale.
• A filing does not show why the insider traded or why the company acted.