LYTIR

Insider · SEC Form 4 · Chairman and CEO

Atay Oguzhan

In the 12 months to Nov 8, 2026, on the open market: sold $26.7M of BLLN. Filed a median of 2 business days after the trade.

Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $26.7M in total.Jul: Insider sales $6.3MAug: Insider sales $8.5MSep: Insider sales $4.4MOct: Insider sales $4.2MNov: Insider sales $3.3MDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $26.7M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
  1. BLLNSold: BillionToOne, Inc. Nov 2, 2026 30,335 shares filed Nov 4, 2026 14 transactions 10b5-1 plan filing $3.3M
  2. BLLNSold: BillionToOne, Inc. Oct 28, 2026 11,000 shares filed Oct 30, 2026 2 transactions 10b5-1 plan filing $1.3M
  3. BLLNSold: BillionToOne, Inc. Oct 15, 2026 5,150 shares filed Oct 16, 2026 5 transactions 10b5-1 plan filing $516K
  4. BLLNSold: BillionToOne, Inc. Oct 14, 2026 5,850 shares filed Oct 16, 2026 3 transactions 10b5-1 plan filing $574K
  5. BLLNSold: BillionToOne, Inc. Oct 12, 2026 19,334 shares filed Oct 14, 2026 6 transactions 10b5-1 plan filing $1.8M
  6. BLLNSold: BillionToOne, Inc. Sep 28, 2026 10,999 shares filed Sep 30, 2026 2 transactions 10b5-1 plan filing $1.3M
  7. BLLNSold: BillionToOne, Inc. Sep 14, 2026 30,331 shares filed Sep 16, 2026 10 transactions 10b5-1 plan filing $3.0M
  8. BLLNSold: BillionToOne, Inc. Aug 5, 2026 15,539 shares filed Aug 7, 2026 0 shares held directly after, as filed 10b5-1 plan filing $2.3M
  9. BLLNSold: BillionToOne, Inc. Aug 3, 2026 45,000 shares filed Aug 5, 2026 23 transactions 10b5-1 plan filing $6.2M
  10. BLLNSold: BillionToOne, Inc. Jul 9, 2026 12,500 shares filed Jul 13, 2026 4 transactions 10b5-1 plan filing $1.6M
  11. BLLNSold: BillionToOne, Inc. Jul 6, 2026 38,750 shares filed Jul 8, 2026 28 transactions 10b5-1 plan filing $4.7M

Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.

Other Form 4 entries

Not counted above: entries this filer reported on Form 4 in the same 12 months that are not open-market purchases or sales. Each entry is one line of a filing.

  • BLLN: option exercise or conversion (code M), 16 entries, Jul 6 to Nov 2, 2026
  • BLLN: conversion (code C), 1 entry, Sep 8, 2026
  • BLLN: gift (code G), 1 entry, Sep 9, 2026
Code C
A conversion of a derivative security, such as preferred stock or units, into shares.
Code G
A gift of shares, made or received.
Code M
An exercise or conversion of a derivative security received from the company, such as stock options.

Source: the same SEC Form 4 filings. The codes are the SEC's own transaction codes; the meanings above are a plain-words reading of the SEC's Form 4 instructions.