Chang Tina M

Director · WEYS, STRT

As of 2026-09-16, Chang Tina M has 9 Form 4 transactions on record across 2 companies — 8 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: $1.4MIndirect: $0$1.4Mas of 2026-09-16
  • Direct $1.4M
  • Indirect $0
WEYSdirect17,833 sh$782K
STRTdirect8,998 sh$617K

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

WEYS · 8 trades
2026-09-02: Sale, 3,000 sh ($135K)2026-08-25: Award / grant, 1,265 sh ($0)2026-08-13: Withheld for tax, 3,268 sh ($153K)2026-08-13: Option exercise, 2,800 sh ($78K)2026-08-13: Option exercise, 2,800 sh ($78K)2026-08-13: Option exercise, 2,000 sh ($74K)2026-08-13: Option exercise, 2,000 sh ($74K)2025-08-25: Award / grant, 1,890 sh ($0)
STRT · 1 trade
2025-10-15: Award / grant, 1,243 sh ($85K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-02WEYSSale3,000 @ $45.07$135K−14.4% of holding17,833Form 4
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-25WEYSAward / grant1,26520,833Form 4
2026-08-13WEYSWithheld for tax3,26819,568Form 4
2026-08-13WEYSOption exercise2,8000Form 4
2026-08-13WEYSOption exercise2,80020,836Form 4
2026-08-13WEYSOption exercise2,00022,836Form 4
2026-08-13WEYSOption exercise2,0000Form 4
2025-10-15STRTAward / grant1,2438,998Form 4
2025-08-25WEYSAward / grant1,89018,036Form 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.