Yahui Chang
CIK 1976736 · Chief Operating Officer · last filed 2026-03-19
Yahui Chang is a Chief Operating Officer who has filed 4 SEC Form 4 insider transactions across 1 company since 2024. The most recent filing, for TYGO, was dated Mar 19, 2026. Current disclosed insider exposure totals $638.4K across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$638.4K
1
4
$0
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| TYGO | Chief Operating Officer | 222,455 | $2.87 | $638.4K | $0 | 4 | 2026-03-19 |
Recent Filings
4 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-19 | TYGO | Mixed | +8,000 | -$39.2K | EDGAR |
| 2025-10-09 | TYGO | Tax (F) | −17,155 | -$46.0K | EDGAR |
| 2025-08-05 | TYGO | Grant (A) | +78,149 | $0 | EDGAR |
| 2024-12-16 | TYGO | Grant (A) | +144,000 | $0 | EDGAR |