Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Thomas S. Bremner 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 - $27.17M 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
- Shan Riku Sakakibara - $3.23M in BLLN purchases and sales in the last 12 months
- Bosch John Roderick Ten - $2.07M in BLLN purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Thomas S. Bremner?
Thomas S. Bremner is a corporate insider 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 Thomas S. Bremner 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.
Has Thomas S. Bremner been buying or selling stock?
Recorded transactions: 6 open-market purchases ($2.50M) and 0 open-market sales across all tracked filings.
