Insiders who reported open-market trades in the last 12 months at the companies Firat Ileri files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Oguzhan Atay - $22.95M in BLLN purchases and sales in the last 12 months
David Tsao - $11.09M in BLLN purchases and sales in the last 12 months
Thomas P. Lynch - $5.88M in BLLN purchases and sales in the last 12 months
Nancy Joann Johnson - $3.74M in BLLN purchases and sales in the last 12 months
Firat Ileri is a corporate insider, tracked as Director, 10% Owner of BillionToOne, Inc. (BLLN). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Firat Ileri last file a Form 4?
The most recent primary Form 4 on record is dated 12 June 2026, one of 2 filings going back to 2025.
InsiderAlpha's records for Firat Ileri go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
