Sign in

CIK 0002070849 · Non-accelerated filer<br>Emerging growth company

BillionToOne, Inc.

Sign in to watch
Ticker
BLLN
Exchange
Nasdaq
Industry
Services-Medical Laboratories
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
811082020
Phone
650-460-2551
Business address
1035 O'BRIEN DRIVE, MENLO PARK, CA
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$26,737,121
in 19 filings, $26.7M under 10b5-1 plans

Net −$26,737,121. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Atay Oguzhan −$11.9M Chairman and CEO sold 44% of stake
  2. Tsao David −$7.7M Chief Technology Officer sold 99% of stake
  3. Lynch Thomas P. −$5.9M See Remarks sold 99% of stake
  4. ten Bosch John Roderick −$1.2M SVP of Laboratory Operations sold 41% of stake
Date Insider Transaction Shares Price Value Owned after
2026-06-09 KOLLURI KRISHNA KITTU Director Other acquisition +1,186 21,709
2026-06-09 KOLLURI KRISHNA KITTU Director Other acquisition +2,171 23,880
2026-06-09 KOLLURI KRISHNA KITTU Director Other acquisition +5,644 29,524
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other disposition −129,780 1,038,239
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other acquisition +7,980 7,980
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other disposition −7,980 0
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other disposition −24,222 193,772
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other acquisition +1,425 1,425
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other disposition −1,425 0
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other disposition −271,028 2,168,230
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other acquisition +5,423 5,423
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other disposition −5,423 0
2026-06-09 NeoTribe Ventures I, L.P. 10% owner Other disposition −10,921 87,362
2026-06-09 Atay Oguzhan See Remarks Gift 10b5-1 −10,000 0
2026-06-09 Johnson Nancy JoAnn See Remarks Sale 10b5-1 −4,666 $99.27 $463K 27,816
2026-06-09 Johnson Nancy JoAnn See Remarks Sale 10b5-1 −2,700 $101.38 $274K 25,116
2026-06-09 Johnson Nancy JoAnn See Remarks Sale 10b5-1 −1,816 $102.34 $186K 23,300
2026-06-09 Johnson Nancy JoAnn See Remarks Sale 10b5-1 −1,400 $100.31 $140K 21,900
2026-06-08 Atay Oguzhan See Remarks Option exercise 10b5-1 +20,000 $2.80 $56K 20,000
2026-06-08 Atay Oguzhan See Remarks Option exercise 10b5-1 +6,250 $2.80 $18K 26,250

Page 18 of 32 · 639 trades