BillionToOne, Inc. SEC filings

Filings

Every filing, newest first. MAJOR and NOTABLE filings lead the app's feed; ROUTINE ones are kept here.

1. ROUTINE4BillionToOne, Inc.BLLN2d

   BLLN's Atay Oguzhan sold shares

   • Sold 3,083 shares at $98.32
   • Sold 1,276 shares at $100.60
   • Purchased 3,183 shares at $2.80

   Oguzhan Atay, reporting

2. ROUTINE144BillionToOne, Inc.BLLN3d

   BillionToOne, Inc. shares sold by Atay Oguzhan

   • 5,150 shares to be sold on 10/15/2026
   • Aggregate market value: $516,188.60
   • Acquired via stock option exercise on 10/15/2026

   Oguzhan Atay, reporting

3. ROUTINE4BillionToOne, Inc.BLLN4d

   BillionToOne, Inc. shares sold by Atay Oguzhan

   • 10/12/2026: Sold 1,961 shares at $91.57
   • 10/12/2026: Sold 2,553 shares at $93.05
   • 10/12/2026: Sold 6,763 shares at $93.65

   Oguzhan Atay, reporting

4. ROUTINE144BillionToOne, Inc.BLLN4d

   BillionToOne, Inc. shares sold by Atay Oguzhan

   • Form 144 filed on 10/14/2026
   • 3,183 shares sold at $313,019.82
   • Past 3 months saw multiple sales by Atay and spouse

   Oguzhan Atay, reporting

5. ROUTINE144BillionToOne, Inc.BLLN4d

   BillionToOne, Inc. shares sold by Atay Oguzhan

   • Form 144 filed on 2026-10-14
   • 2,667 shares of Class A to be sold
   • Aggregate market value $261,366

   Oguzhan Atay, reporting

6. ROUTINE4BillionToOne, Inc.BLLN5d

   BillionToOne, Inc. reports stock transactions

   • Thomas P. Lynch, officer, bought 8,000 shares at $8.65
   • 8,700 shares held directly after transaction
   • Stock options for 8,000 shares exercisable until 2033

   Thomas P. Lynch, reporting

7. ROUTINE144BillionToOne, Inc.BLLN6d

   2 Form 144 notices

   Oguzhan Atay, planned sale of BLLN shares

   Show all 2

   • 144Planned insider sale of BLLN shares6d
   • 144Planned insider sale of BLLN shares6d

   Oguzhan Atay, reporting

8. ROUTINE4BillionToOne, Inc.BLLNOct 8

   2 insider filings

   David Tsao, insider filing for BLLN

   Show all 2

   • 4Insider filing for BLLNOct 8
   • 4Insider filing for BLLNOct 8

   David Tsao, reporting

9. ROUTINE144BillionToOne, Inc.BLLNOct 5

   3 Form 144 notices

   David Tsao, planned sale of BLLN shares

   Show all 3

   • 144Planned insider sale of BLLN sharesOct 5
   • 144Planned insider sale of BLLN sharesOct 5
   • 144Planned insider sale of BLLN sharesOct 5

   David Tsao

10. ROUTINE4BillionToOne, Inc.BLLNSep 30

    Oguzhan Atay, insider filing for BLLN

    Oguzhan Atay, reporting

11. ROUTINE4BillionToOne, Inc.BLLNSep 28

    2 insider filings

    Bosch John Roderick ten, insider filing for BLLN

    Show all 2

    • 4Insider filing for BLLNSep 28
    • 4Insider filing for BLLNSep 28

    Bosch John Roderick ten, reporting

12. ROUTINE144BillionToOne, Inc.BLLNSep 28

    2 Form 144 notices

    Oguzhan Atay, planned sale of BLLN shares

    Show all 2

    • 144Planned insider sale of BLLN sharesSep 28
    • 144Planned insider sale of BLLN sharesSep 28

    Oguzhan Atay, reporting

13. ROUTINE144BillionToOne, Inc.BLLNSep 24

    David Tsao, planned sale of BLLN shares

    David Tsao, reporting

14. ROUTINE144BillionToOne, Inc.BLLNSep 24

    Bosch John Roderick ten, planned sale of BLLN shares

    Bosch John Roderick ten, reporting

15. ROUTINE4BillionToOne, Inc.BLLNSep 23

    Bosch John Roderick ten, insider filing for BLLN

    Bosch John Roderick ten, reporting

16. ROUTINE4BillionToOne, Inc.BLLNSep 21

    Thomas P. Lynch, insider filing for BLLN

    Thomas P. Lynch, reporting

17. ROUTINE144BillionToOne, Inc.BLLNSep 21

    Bosch John Roderick ten, planned sale of BLLN shares

    Bosch John Roderick ten, reporting

18. ROUTINE144BillionToOne, Inc.BLLNSep 17

    Thomas P. Lynch, planned sale of BLLN shares

    Thomas P. Lynch, reporting

19. ROUTINE4BillionToOne, Inc.BLLNSep 16

    Oguzhan Atay, insider filing for BLLN

    Oguzhan Atay, reporting

20. ROUTINE4BillionToOne, Inc.BLLNSep 14

    Shan Riku Sakakibara, insider filing for BLLN

    Shan Riku Sakakibara, reporting

21. ROUTINE144BillionToOne, Inc.BLLNSep 14

    Oguzhan Atay, planned sale of BLLN shares

    Oguzhan Atay, reporting

22. ROUTINE144BillionToOne, Inc.BLLNSep 14

    Oguzhan Atay, planned sale of BLLN shares

    Oguzhan Atay, reporting

23. ROUTINE4BillionToOne, Inc.BLLNSep 11

    2 insider filings

    Bosch John Roderick ten, insider filing for BLLN

    Show all 2

    • 4Insider filing for BLLNSep 11
    • 4Insider filing for BLLNSep 11

    Bosch John Roderick ten, reporting

24. ROUTINE4BillionToOne, Inc.BLLNSep 10

    2 insider filings

    Thomas P. Lynch, insider filing for BLLN

    Show all 2

    • 4Insider filing for BLLNSep 10
    • 4Insider filing for BLLNSep 10

    Thomas P. Lynch, reporting

25. ROUTINE144BillionToOne, Inc.BLLNSep 9

    3 Form 144 notices

    David Tsao, planned sale of BLLN shares

    Show all 3

    • 144Planned insider sale of BLLN sharesSep 9
    • 144Planned insider sale of BLLN sharesSep 9
    • 144Planned insider sale of BLLN sharesSep 9

    David Tsao, reporting

26. ROUTINE4BillionToOne, Inc.BLLNSep 8

    David Tsao, insider filing for BLLN

    David Tsao, reporting

27. ROUTINE144BillionToOne, Inc.BLLNSep 8

    Thomas P. Lynch, planned sale of BLLN shares

    Thomas P. Lynch, reporting

28. ROUTINE4BillionToOne, Inc.BLLNAug 28

    Krishna Kittu Kolluri, insider filing for BLLN

    Krishna Kittu Kolluri, reporting

29. ROUTINE4BillionToOne, Inc.BLLNAug 27

    2 insider filings

    David Tsao, insider filing for BLLN

    Show all 2

    • 4Insider filing for BLLNAug 27
    • 4Insider filing for BLLNAug 27

    David Tsao, reporting

30. ROUTINE144BillionToOne, Inc.BLLNAug 25

    2 Form 144 notices

    David Tsao, planned sale of BLLN shares

    Show all 2

    • 144Planned insider sale of BLLN sharesAug 25
    • 144Planned insider sale of BLLN sharesAug 25

    David Tsao, reporting

31. ROUTINE4BillionToOne, Inc.BLLNAug 17

    2 insider filings

    David Tsao, insider filing for BLLN

    Show all 2

    • 4Insider filing for BLLNAug 17
    • 4Insider filing for BLLNAug 17

    David Tsao, reporting

32. ROUTINE144BillionToOne, Inc.BLLNAug 10

    2 Form 144 notices

    Bosch John Roderick ten, planned sale of BLLN shares

    Show all 2

    • 144Planned insider sale of BLLN sharesAug 10
    • 144Planned insider sale of BLLN sharesAug 10

    Bosch John Roderick ten, reporting

33. ROUTINE144/ABillionToOne, Inc.BLLNAug 10

    David Tsao, planned sale of BLLN shares (amended)

    David Tsao, reporting

34. ROUTINE144BillionToOne, Inc.BLLNAug 10

    David Tsao, planned sale of BLLN shares

    David Tsao, reporting

35. ROUTINE4BillionToOne, Inc.BLLNAug 7

    Oguzhan Atay, insider filing for BLLN

    Oguzhan Atay, reporting

36. ROUTINE4BillionToOne, Inc.BLLNAug 5

    Oguzhan Atay, insider filing for BLLN

    Oguzhan Atay, reporting

Older filings on EDGAR