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BillionToOne, Inc.

BLLN Scheduled selling only
CIK 0002070849 #1434 in the set updated 17 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$8.29M
$279.82K on a plan · $8.01M straight out of an exercise
Sold at will
$0.00
0 of 28 sales
Net
−$8.29M
$0.00 against sales at will

By person

13 insiders · 28 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Atay Oguzhan
Chairman and CEO
—
$3.03M (10) scheduled
−$3.03M
319,668
2.86%
$31.33M
−86.3%
Tsao David
Chief Technology Officer
—
$2.98M (3) scheduled
−$2.98M
1,000
0.0089%
$98.00K
−100.0%
Lynch Thomas P.
See Remarks
—
$2.00M (13) scheduled
−$2.00M
700
0.0063%
$68.60K
+16.7%
ten Bosch John Roderick
SVP of Laboratory Operations
—
$279.82K (2) scheduled
−$279.82K
25,051
0.2241%
$2.45M
−32.3%
Ileri Firat
Director
—
—
—
2,621,164
23.45%
$256.87M
—
Humming Bird Ventures Management NV entity
10% owner
—
—
—
2,580,833
23.09%
$252.92M
—
Rai Akshay
Director
—
—
—
1,798,440
16.09%
$176.25M
—
Bremner Thomas S
Director
—
—
—
704,493
6.30%
$69.04M
—
Sakakibara Shan Riku
Chief Product Officer
—
—
—
196,500
1.76%
$19.26M
−10.7%
NeoTribe Ventures I, L.P. entity
10% owner
—
—
—
87,362
0.7815%
$8.56M
—
KOLLURI KRISHNA KITTU
Director
—
—
—
69,189
0.6189%
$6.78M
—
Pagano Anthony
Director
—
—
—
7,913
0.0708%
$775.47K
—
Johnson Nancy JoAnn
See Remarks
—
—
—
6,900
0.0617%
$676.20K
−76.2%

Individual transactions

26
Insider
Date
Role
Action
Shares
Price
Amount
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise indirect
2,666
$98.00
$261.27K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise indirect
2,666
$98.00
$261.27K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
3,143
$101.49
$318.99K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
2,010
$100.78
$202.56K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
1,500
$99.57
$149.35K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
1,680
$98.64
$165.71K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
7,214
$101.44
$731.79K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
2,531
$100.58
$254.57K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
2,456
$99.57
$244.55K
Atay Oguzhan
14 Sep 2026
Chairman and CEO
Sold after exercise
4,465
$98.63
$440.39K
Tsao David
9 Sep 2026
Chief Technology Officer
Sold after exercise
10,000
$100.00
$1.00M
Tsao David
9 Sep 2026
Chief Technology Officer
Sold after exercise
10,000
$97.54
$975.40K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
232
$100.92
$23.41K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
2,518
$100.20
$252.29K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
576
$98.89
$56.96K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
147
$101.41
$14.91K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
1,131
$100.33
$113.47K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
385
$99.22
$38.20K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
358
$100.82
$36.09K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
2,997
$100.11
$300.04K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
614
$99.00
$60.79K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
775
$100.83
$78.14K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
8,285
$100.12
$829.52K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
1,944
$98.97
$192.39K
Lynch Thomas P.
8 Sep 2026
See Remarks
Sold after exercise
38
$96.47
$3.67K
Tsao David
25 Aug 2026
Chief Technology Officer
Sold after exercise
10,000
$100.00
$1.00M
Show all 28 transactions →

What was left out

Form 4 filings counted 10
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 2
Sales straight out of an exercise 26
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 721,185
History held since 10 Nov 2025