Paydirt
SS
Insider

Shan Riku Sakakibara

Chief Product Officer

Shan Riku Sakakibara (Chief Product Officer) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in BillionToOne, Inc. (BLLN). The largest single filing was $978K of BLLN (7,826 sh across 4 lots, as filed), executed Jul 9.

Add to watchlist
Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
4
0 buys · 4 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$3.2M
shares × price, as filed
Last traded
Jul 31
Filed Aug 4

Median ADV $67.2M across their filed names

Open performance
Volume by month
$1.7M$833K$0Oct 2024Apr 2025Oct 2025Apr 2026Jun 2026 · sells $1.7MJul 2026 · sells $978KAug 2026 · sells $561K
Buys $0 Sells $3.2M

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

Sectors filed on
Healthcare 4 filings

Sector per market data · by filing · past 12 months

Most traded names
BLLN BillionToOne, Inc. BLLN · 0 buys · 4 sells 4 filings
Recent filings
BLLNSALE BillionToOne, Inc. View filing → $561K
4,000 sh × $140.21
Exec Jul 31
Filed Aug 4 · 4:32 PM ET
BLLNSALE BillionToOne, Inc. View filing → $978K
7,826 sh across 4 lots
Exec Jul 9
Filed Jul 13 · 4:39 PM ET
BLLNSALE BillionToOne, Inc. View filing → $880K
8,000 sh across 2 lots
Exec Jun 24
Filed Jun 26 · 5:30 PM ET
BLLNSALE BillionToOne, Inc. View filing → $786K
8,000 sh across 2 lots
Exec Jun 8
Filed Jun 10 · 5:30 PM ET