Xu Diyong

Director · Ten-percent owner · QTTB

As of 2026-09-16, Xu Diyong has 6 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: $108KIndirect: $6.9M$7.0Mas of 2026-09-16
  • Direct $108K
  • Indirect $6.9M
QTTBindirect625,000 sh$6.9M
QTTBdirect9,810 sh$108K

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

QTTB · 6 trades
2026-06-12: Award / grant, 9,810 sh ($0)2026-05-28: Purchase, 1,250,000 sh ($10.0M)2026-05-28: Purchase, 625,000 sh ($5.0M)2025-10-23: Award / grant, 53,521 sh ($0)2025-02-24: Disposition, 12,767 sh ($0)2025-02-24: Award / grant, 12,767 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-28QTTBPurchase1,250,000 @ $8.00$10.0M+55.5% of holding3,502,987Form 4
2026-05-28QTTBPurchase625,000 @ $8.00$5.0Mownership Δ n/a625,000Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-12QTTBAward / grant9,8109,810Form 4
2025-10-23QTTBAward / grant53,52153,521Form 4
2025-02-24QTTBDisposition12,7670Form 4
2025-02-24QTTBAward / grant12,76712,767Form 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.