Chang Yahui

Officer · TYGO

As of 2026-09-16, Chang Yahui has 8 Form 4 transactions on record across 1 company — 5 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $271KIndirect: $0$271Kas of 2026-09-16
  • Direct $271K
  • Indirect $0
TYGOdirect262,960 sh$271K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

TYGO · 8 trades
2026-08-07: Award / grant, 62,700 sh ($0)2026-08-03: Withheld for tax, 12,734 sh ($24K)2026-03-17: Withheld for tax, 9,461 sh ($39K)2026-03-17: Award / grant, 17,461 sh ($0)2025-10-07: Withheld for tax, 17,155 sh ($46K)2025-08-01: Award / grant, 78,149 sh ($0)2024-11-11: Award / grant, 144,000 sh ($0)2024-11-11: Award / grant, 250,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-07TYGOAward / grant62,700262,960Form 4
2026-08-03TYGOWithheld for tax12,734200,260Form 4
2026-03-17TYGOWithheld for tax9,461212,944Form 4
2026-03-17TYGOAward / grant17,461222,455Form 4
2025-10-07TYGOWithheld for tax17,155204,994Form 4
2025-08-01TYGOAward / grant78,149222,149Form 4
2024-11-11TYGOAward / grant144,000144,000Form 4
2024-11-11TYGOAward / grant250,000250,000Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.