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BillionToOne, Inc.

BLLN · CIK 0002070849

SEC FORM 4
$150,959.76

BillionToOne, Inc. (BLLN)

Sale of 1,416 shares at $106.61 per share.

Reporting Person ten Bosch John Roderick · Officer Title SVP of Laboratory Operations · Transaction Code S

Traded Sep 21, 2026 · Disclosed Sep 23, 2026

Source: SEC Form 4 · 0002087126-26-000013 · filed 2026-09-23 · View filing →

SEC FORM 4
$167,671.60

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 19,384 shares at $8.65 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$80,480.40

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 6,968 shares at $11.55 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$49,990.40

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 2,920 shares at $17.12 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$179,755.20

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 5,840 shares at $30.78 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$2,139,193.04

BillionToOne, Inc. (BLLN)

Sale of 19,384 shares at $110.3587 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$768,560.64

BillionToOne, Inc. (BLLN)

Sale of 6,968 shares at $110.2986 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$322,100.24

BillionToOne, Inc. (BLLN)

Sale of 2,920 shares at $110.3083 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$644,111.70

BillionToOne, Inc. (BLLN)

Sale of 5,840 shares at $110.2931 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 17, 2026 · Disclosed Sep 21, 2026

Source: SEC Form 4 · 0002070849-26-000069 · filed 2026-09-21 · View filing →

SEC FORM 4
$46,664.80

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 16,666 shares at $2.80 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code M

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$318,989.04

BillionToOne, Inc. (BLLN)

Sale of 3,143 shares at $101.4919 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$261,268.00

BillionToOne, Inc. (BLLN)

Sale of 2,666 shares at $98 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$261,268.00

BillionToOne, Inc. (BLLN)

Sale of 2,666 shares at $98 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$23,332.40

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 8,333 shares at $2.80 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code M

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$440,389.20

BillionToOne, Inc. (BLLN)

Sale of 4,465 shares at $98.6314 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$244,547.11

BillionToOne, Inc. (BLLN)

Sale of 2,456 shares at $99.5713 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$254,570.26

BillionToOne, Inc. (BLLN)

Sale of 2,531 shares at $100.5809 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$731,793.21

BillionToOne, Inc. (BLLN)

Sale of 7,214 shares at $101.4407 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$165,708.14

BillionToOne, Inc. (BLLN)

Sale of 1,680 shares at $98.6358 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$149,352.45

BillionToOne, Inc. (BLLN)

Sale of 1,500 shares at $99.5683 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$202,558.96

BillionToOne, Inc. (BLLN)

Sale of 2,010 shares at $100.7756 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code S

Traded Sep 14, 2026 · Disclosed Sep 16, 2026

Source: SEC Form 4 · 0002088549-26-000010 · filed 2026-09-16 · View filing →

SEC FORM 4
$138,116.64

BillionToOne, Inc. (BLLN)

Sale of 1,416 shares at $97.54 per share.

Reporting Person ten Bosch John Roderick · Officer Title SVP of Laboratory Operations · Transaction Code S

Traded Sep 9, 2026 · Disclosed Sep 11, 2026

Source: SEC Form 4 · 0002087126-26-000011 · filed 2026-09-11 · View filing →

SEC FORM 4
$28,000.00

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 10,000 shares at $2.80 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code M

Traded Sep 9, 2026 · Disclosed Sep 11, 2026

Source: SEC Form 4 · 0002087127-26-000011 · filed 2026-09-11 · View filing →

SEC FORM 4
$28,000.00

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 10,000 shares at $2.80 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code M

Traded Sep 9, 2026 · Disclosed Sep 11, 2026

Source: SEC Form 4 · 0002087127-26-000011 · filed 2026-09-11 · View filing →

SEC FORM 4
$975,400.00

BillionToOne, Inc. (BLLN)

Sale of 10,000 shares at $97.54 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code S

Traded Sep 9, 2026 · Disclosed Sep 11, 2026

Source: SEC Form 4 · 0002087127-26-000011 · filed 2026-09-11 · View filing →

SEC FORM 4
$1,000,000.00

BillionToOne, Inc. (BLLN)

Sale of 10,000 shares at $100 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code S

Traded Sep 9, 2026 · Disclosed Sep 11, 2026

Source: SEC Form 4 · 0002087127-26-000011 · filed 2026-09-11 · View filing →

SEC FORM 4
$0.00

BillionToOne, Inc. (BLLN)

Acquisition (code C) of 20,000 shares at $0 per share.

Reporting Person Atay Oguzhan · Officer Title Chairman and CEO · Transaction Code C

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000066 · filed 2026-09-10 · View filing →

SEC FORM 4
$95,513.30

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 11,042 shares at $8.65 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$300,040.16

BillionToOne, Inc. (BLLN)

Sale of 2,997 shares at $100.1135 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$36,094.78

BillionToOne, Inc. (BLLN)

Sale of 358 shares at $100.8234 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$38,200.86

BillionToOne, Inc. (BLLN)

Sale of 385 shares at $99.223 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$113,468.82

BillionToOne, Inc. (BLLN)

Sale of 1,131 shares at $100.3261 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$14,906.93

BillionToOne, Inc. (BLLN)

Sale of 147 shares at $101.4077 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$56,959.60

BillionToOne, Inc. (BLLN)

Sale of 576 shares at $98.8882 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$252,293.28

BillionToOne, Inc. (BLLN)

Sale of 2,518 shares at $100.1959 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$23,414.41

BillionToOne, Inc. (BLLN)

Sale of 232 shares at $100.9242 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$45,841.95

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 3,969 shares at $11.55 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$28,470.56

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 1,663 shares at $17.12 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$102,374.28

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 3,326 shares at $30.78 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code M

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$3,666.01

BillionToOne, Inc. (BLLN)

Sale of 38 shares at $96.4739 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$192,390.29

BillionToOne, Inc. (BLLN)

Sale of 1,944 shares at $98.9662 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$829,517.40

BillionToOne, Inc. (BLLN)

Sale of 8,285 shares at $100.1228 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$78,142.40

BillionToOne, Inc. (BLLN)

Sale of 775 shares at $100.8289 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$60,785.14

BillionToOne, Inc. (BLLN)

Sale of 614 shares at $98.9986 per share.

Reporting Person Lynch Thomas P. · Officer Title See Remarks · Transaction Code S

Traded Sep 8, 2026 · Disclosed Sep 10, 2026

Source: SEC Form 4 · 0002070849-26-000067 · filed 2026-09-10 · View filing →

SEC FORM 4
$0.00

BillionToOne, Inc. (BLLN)

Acquisition (code C) of 20,000 shares at $0 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code C

Traded Sep 3, 2026 · Disclosed Sep 8, 2026

Source: SEC Form 4 · 0002087127-26-000009 · filed 2026-09-08 · View filing →

SEC FORM 4
$141,700.00

BillionToOne, Inc. (BLLN)

Sale of 1,417 shares at $100 per share.

Reporting Person ten Bosch John Roderick · Officer Title SVP of Laboratory Operations · Transaction Code S

Traded Aug 25, 2026 · Disclosed Aug 27, 2026

Source: SEC Form 4 · 0002087126-26-000009 · filed 2026-08-27 · View filing →

SEC FORM 4
$28,000.00

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 10,000 shares at $2.80 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code M

Traded Aug 25, 2026 · Disclosed Aug 27, 2026

Source: SEC Form 4 · 0002087127-26-000006 · filed 2026-08-27 · View filing →

SEC FORM 4
$1,000,000.00

BillionToOne, Inc. (BLLN)

Sale of 10,000 shares at $100 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code S

Traded Aug 25, 2026 · Disclosed Aug 27, 2026

Source: SEC Form 4 · 0002087127-26-000006 · filed 2026-08-27 · View filing →

SEC FORM 4
$28,000.00

BillionToOne, Inc. (BLLN)

Acquisition (code M) of 10,000 shares at $2.80 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code M

Traded Aug 10, 2026 · Disclosed Aug 12, 2026

Source: SEC Form 4 · 0002070849-26-000058 · filed 2026-08-12 · View filing →

SEC FORM 4
$928,600.00

BillionToOne, Inc. (BLLN)

Sale of 10,000 shares at $92.86 per share.

Reporting Person Tsao David · Officer Title Chief Technology Officer · Transaction Code S

Traded Aug 10, 2026 · Disclosed Aug 12, 2026

Source: SEC Form 4 · 0002070849-26-000058 · filed 2026-08-12 · View filing →

SEC FORM 4
$131,582.62

BillionToOne, Inc. (BLLN)

Sale of 1,417 shares at $92.86 per share.

Reporting Person ten Bosch John Roderick · Officer Title SVP of Laboratory Operations · Transaction Code S

Traded Aug 10, 2026 · Disclosed Aug 12, 2026

Source: SEC Form 4 · 0002070849-26-000062 · filed 2026-08-12 · View filing →