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Brian Guan-Chyun Liu

Director

Brian Guan-Chyun Liu (Director) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in CG Oncology, Inc. (CGON). Across 1 priced purchase filing, the average 21-session return was +8.0% from execution and +3.3% from disclosure (delay-adjusted; derived). The largest single filing was $24.8M of CGON (371,085 sh × $66.87, as filed), executed Jun 25.

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Return, ttmiAverage return per filing, trailing twelve months
+8.0%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+3.3%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
4d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$24.8M
shares × price, as filed
Last traded
Jun 25
Filed Jun 29

Median ADV $76.8M across their filed names

Open performance
Volume by month
$50.0M$25.0M$0Oct 2024Apr 2025Oct 2025Apr 2026Sep 2025 · buys $50.0MJun 2026 · buys $24.8M
Buys $74.8M Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
CGON CG Oncology, Inc. CGON · 2 buys · 0 sells 2 filings
Recent filings
CGONPURCHASE CG Oncology, Inc. View filing → $24.8M
371,085 sh × $66.87
Exec Jun 25
Filed Jun 29 · 5:26 PM ET
CGONPURCHASE CG Oncology, Inc. View filing → $50.0M
1,515,151 sh × $33.00
Exec Sep 11 2025
Filed Sep 15 2025 · 8:32 AM ET