Liu Brian Guan-Chyun

Director · CGON

As of 2026-09-27, Liu Brian Guan-Chyun has 5 Form 4 transactions on record across 1 company — 2 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: $628KIndirect: $126.7M$127.3Mas of 2026-09-27
  • Direct $628K
  • Indirect $126.7M
CGONindirect1,886,236 sh$126.7M
CGONdirect9,354 sh$628K

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

CGON · 5 trades
2026-06-25: Purchase, 371,085 sh ($24.8M)2026-06-04: Award / grant, 9,354 sh ($0)2025-09-11: Purchase, 1,515,151 sh ($50.0M)2025-06-05: Award / grant, 24,165 sh ($0)2024-10-04: Award / grant, 15,600 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-25CGONPurchase371,085 @ $66.87$24.8M+24.5% of holding1,886,236Form 4
2025-09-11CGONPurchase1,515,151 @ $33.00$50.0Mownership Δ n/a1,515,151Form 4
3 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-04CGONAward / grant9,3549,354Form 4
2025-06-05CGONAward / grant24,16524,165Form 4
2024-10-04CGONAward / grant15,60015,600Form 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.