Insider · CIK 0002087538

Bremner Thomas S

Reports to the SEC for 1 company · CHICAGO, IL

sec.gov

Transactions

Companies

Filings

CIK

0002087538

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-10	BLLNBillionToOne, Inc.A Award	Director	AAward	+3,017 sh	—	—	11,350
2025-11-07	BLLNBillionToOne, Inc.C Conversion	Director	CConversion	+152K sh	—	—	152,440
2025-11-07	BLLNBillionToOne, Inc.C Conversion	Director	CConversion	+156K sh	—	—	155,711
2025-11-07	BLLNBillionToOne, Inc.C Conversion	Director	CConversion	+176K sh	—	—	176,271
2025-11-07	BLLNBillionToOne, Inc.C Conversion	Director	CConversion	+270K sh	—	—	269,918
2025-11-07	BLLNBillionToOne, Inc.C Conversion	Director	CConversion	+240K sh	—	—	240,072
2025-11-07	BLLNBillionToOne, Inc.C Conversion	Director	CConversion	+675K sh	—	—	675,352
2025-11-07	BLLNBillionToOne, Inc.C Conversion	Director	CConversion	+278K sh	—	—	277,508
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−8,333 sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−152K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−156K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−176K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−270K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−240K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−675K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	−278K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+8,333 sh	—	—	8,333
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+152K sh	—	—	152,440
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+156K sh	—	—	155,711
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+176K sh	—	—	176,271
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+270K sh	—	—	269,918
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+240K sh	—	—	240,072
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+675K sh	—	—	675,352
2025-11-07	BLLNBillionToOne, Inc.J Other	Director	JOther	+278K sh	—	—	277,508
2025-11-07	BLLNBillionToOne, Inc.P Purchase	Director	PPurchase	+4,016 sh	$60.00	+$241K	156,456
2025-11-07	BLLNBillionToOne, Inc.P Purchase	Director	PPurchase	+4,084 sh	$60.00	+$245K	159,795
2025-11-07	BLLNBillionToOne, Inc.P Purchase	Director	PPurchase	+3,462 sh	$60.00	+$208K	179,733
2025-11-07	BLLNBillionToOne, Inc.P Purchase	Director	PPurchase	+5,446 sh	$60.00	+$327K	275,364
2025-11-07	BLLNBillionToOne, Inc.P Purchase	Director	PPurchase	+6,867 sh	$60.00	+$412K	246,939
2025-11-07	BLLNBillionToOne, Inc.P Purchase	Director	PPurchase	+17.8K sh	$60.00	+$1.07M	693,143
2025-11-07	BLLNBillionToOne, Inc. · Series A-1 Convertible Preferred StockC Conversion	Director	CConversion	−1,352 sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C Convertible Preferred StockC Conversion	Director	CConversion	−114K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C-1 Convertible Preferred StockC Conversion	Director	CConversion	−16.7K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series D Convertible Preferred StockC Conversion	Director	CConversion	−20.2K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C Convertible Preferred StockC Conversion	Director	CConversion	−122K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C-1 Convertible Preferred StockC Conversion	Director	CConversion	−17.9K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series D Convertible Preferred StockC Conversion	Director	CConversion	−16.2K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series A-1 Convertible Preferred StockC Conversion	Director	CConversion	−1,562 sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C Convertible Preferred StockC Conversion	Director	CConversion	−132K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C-1 Convertible Preferred StockC Conversion	Director	CConversion	−19.4K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series D Convertible Preferred StockC Conversion	Director	CConversion	−23.5K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series A-1 Convertible Preferred StockC Conversion	Director	CConversion	−1,864 sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C Convertible Preferred StockC Conversion	Director	CConversion	−157K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C-1 Convertible Preferred StockC Conversion	Director	CConversion	−23.1K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series D Convertible Preferred StockC Conversion	Director	CConversion	−87.6K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series A-1 Convertible Preferred StockC Conversion	Director	CConversion	−652 sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C Convertible Preferred StockC Conversion	Director	CConversion	−55.1K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series C-1 Convertible Preferred StockC Conversion	Director	CConversion	−8,084 sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series D Convertible Preferred StockC Conversion	Director	CConversion	−176K sh	—	—	0
2025-11-07	BLLNBillionToOne, Inc. · Series A-1 Convertible Preferred StockC Conversion	Director	CConversion	−5,988 sh	—	—	0

Recent filings

Accepted (ET)
Jun 124
Bremner Thomas S0001193125-26-269799
SEC(opens sec.gov)
Nov 104
Bremner Thomas S0001193125-25-274945
SEC(opens sec.gov)

Companies

BillionToOne, Inc.DirectorBLLN

Address

1 NORTH WACKER DRIVE, SUITE 2200

CHICAGO, IL, 60606-2807