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BillionToOne, Inc.

BLLN Net buying

CIK 0002070849 #1434 in the set updated 22 Sep 2026

Bought (120 mo)

$3.18M

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$43.90M

$6.07M on a plan · $37.83M straight out of an exercise

Sold at will

$0.00

0 of 149 sales

Net

−$40.72M

+$3.18M against sales at will

By person

13 insiders · 160 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Atay Oguzhan

Chairman and CEO

—

$21.63M (76) scheduled

−$21.63M

319,668

2.86%

$35.26M

−86.3%

Tsao David

Chief Technology Officer

$60.00K (1)

$8.45M (25) scheduled

−$8.39M

1,000

0.0089%

$110.29K

−100.0%

Lynch Thomas P.

See Remarks

$6.00K (1)

$5.87M (17) scheduled

−$5.87M

700

0.0063%

$77.21K

+16.7%

Sakakibara Shan Riku

Chief Product Officer

—

$3.23M (10) scheduled

−$3.23M

196,500

1.76%

$21.67M

−10.7%

Johnson Nancy JoAnn

See Remarks

$414.00K (1)

$3.32M (12) scheduled

−$2.91M

6,900

0.0617%

$761.02K

−76.2%

Bremner Thomas S

Director

$2.50M (6)

—

+$2.50M

704,493

6.30%

$77.70M

—

ten Bosch John Roderick

SVP of Laboratory Operations

$48.00K (1)

$1.40M (9) scheduled

−$1.35M

25,051

0.2241%

$2.76M

−32.3%

Rai Akshay

Director

$150.00K (1)

—

+$150.00K

1,798,440

16.09%

$198.36M

—

Ileri Firat

Director

—

2,621,164

23.45%

$289.10M

—

Humming Bird Ventures Management NV entity

10% owner

—

2,580,833

23.09%

$284.65M

—

NeoTribe Ventures I, L.P. entity

10% owner

—

87,362

0.7815%

$9.64M

—

KOLLURI KRISHNA KITTU

Director

—

69,189

0.6189%

$7.63M

—

Pagano Anthony

Director

—

7,913

0.0708%

$872.75K

—

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 55

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 4

Sales on a Rule 10b5-1 plan 24

Sales straight out of an exercise 125

Sales at will 0

Transactions with no price 0

Shares from compensation/vesting 102,025,910

History held since 10 Nov 2025