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 - $21.63M of BLLN open-market activity in the last 12 months
- David Tsao - $8.51M of BLLN open-market activity in the last 12 months
- Nancy Joann Johnson - $3.74M of BLLN open-market activity in the last 12 months
- Shan Riku Sakakibara - $3.23M of BLLN open-market activity in the last 12 months
- Thomas P. Lynch - $2.01M of BLLN open-market activity in the last 12 months
- Bosch John Roderick Ten - $1.45M of BLLN open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
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.
How accurate is Thomas S. Bremner's historical track record?
Across 6 tracked purchases, Thomas S. Bremner averaged +4.6% avg 30-day return with a 100% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
Where can I see all of Thomas S. Bremner's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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