Chang Yahui (CIK 1976736) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-19). Recent activity: Buy TYGO (17,461 shares), Sell TYGO (9,461 shares), Sell TYGO (17,155 shares), Buy TYGO (78,149 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-19 | TIGO ENERGY, INC. (TYGO) | Chief Operating Officer | Buy | 17,461 | $0 |
| 2026-03-19 | TIGO ENERGY, INC. (TYGO) | Chief Operating Officer | Sell | 9,461 | $39,169 |
| 2025-10-09 | TIGO ENERGY, INC. (TYGO) | Chief Operating Officer | Sell | 17,155 | $45,975 |
| 2025-08-05 | TIGO ENERGY, INC. (TYGO) | Chief Operating Officer | Buy | 78,149 | $0 |
Source: SEC Form 4 filings · as of 2026-03-19