No open-market buys or sells in this period. The transactions below are grants, option exercises and gifts, which carry no market price.
Trading track record · all companies
Not enough open-market trades to chart a track record yet.
Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.
Transactions · 365d
No open-market buys or sells in this period — showing all activity (grants, exercises & gifts).
-
TYGO Other·F
Chief Operating Officer
$39.2K
9.5K sh · $4.14
Own -4%
-
TYGO Grant·A
Chief Operating Officer
$0
17.5K sh
Own +9%
-
TYGO Other·F
Chief Operating Officer
$46.0K
17.2K sh · $2.68
Own -8%
-
TYGO Grant·A
Chief Operating Officer
$0
78.1K sh
Own +54%
| Date▾ | Ticker | Type | Shares | Value |
|---|---|---|---|---|
| Mar 17, 2026 | TYGO | Other F | 9.5K | $39.2K |
| Mar 17, 2026 | TYGO | Grant A | 17.5K | $0 |
| Oct 7, 2025 | TYGO | Other F | 17.2K | $46.0K |
| Aug 1, 2025 | TYGO | Grant A | 78.1K | $0 |
Buy Sell Non-market (grant · exercise · gift)
About Chang Yahui
This profile aggregates every SEC Form 4 insider transaction reported by Chang Yahui across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.