Sun Yonggang

Director · BZ

As of 2026-09-16, Sun Yonggang has 4 Form 4 transactions on record across 1 company — 4 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: $200KIndirect: $0$200Kas of 2026-09-16
  • Direct $200K
  • Indirect $0
BZdirect13,320 sh$200K

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

BZ · 4 trades
2026-06-16: Sale, 548 sh ($4K)2026-06-16: Option exercise, 4,212 sh ($0)2026-06-16: Option exercise, 4,212 sh2026-06-16: Option exercise, 4,212 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-16BZSale548 @ $6.81$4K−4.1% of holding12,772Form 4
3 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-16BZOption exercise4,2120Form 4
2026-06-16BZOption exercise4,21213,320Form 4
2026-06-16BZOption exercise4,21213,320Form 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.