InsiderClue
← All stocks

BillionToOne, Inc.

BLLN Net buying
CIK 0002070849 #1434 in the set updated 17 Sep 2026
Bought (12 mo)
$3.18M
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$40.03M
$6.07M on a plan · $33.95M straight out of an exercise
Sold at will
$0.00
0 of 145 sales
Net
−$36.85M
+$3.18M against sales at will

By person

13 insiders · 156 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%
$31.33M
−86.3%
Tsao David
Chief Technology Officer
$60.00K (1)
$8.45M (25) scheduled
−$8.39M
1,000
0.0089%
$98.00K
−100.0%
Sakakibara Shan Riku
Chief Product Officer
—
$3.23M (10) scheduled
−$3.23M
196,500
1.76%
$19.26M
−10.7%
Johnson Nancy JoAnn
See Remarks
$414.00K (1)
$3.32M (12) scheduled
−$2.91M
6,900
0.0617%
$676.20K
−76.2%
Bremner Thomas S
Director
$2.50M (6)
—
+$2.50M
704,493
6.30%
$69.04M
—
Lynch Thomas P.
See Remarks
$6.00K (1)
$2.00M (13) scheduled
−$1.99M
700
0.0063%
$68.60K
+16.7%
ten Bosch John Roderick
SVP of Laboratory Operations
$48.00K (1)
$1.40M (9) scheduled
−$1.35M
25,051
0.2241%
$2.45M
−32.3%
Rai Akshay
Director
$150.00K (1)
—
+$150.00K
1,798,440
16.09%
$176.25M
—
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
—
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
—

Individual transactions

156
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
ten Bosch John Roderick
9 Sep 2026
SVP of Laboratory Operations
Sold on a plan
1,416
$97.54
$138.12K
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
ten Bosch John Roderick
25 Aug 2026
SVP of Laboratory Operations
Sold on a plan
1,417
$100.00
$141.70K
Tsao David
25 Aug 2026
Chief Technology Officer
Sold after exercise
10,000
$100.00
$1.00M
Tsao David
10 Aug 2026
Chief Technology Officer
Sold after exercise
10,000
$92.86
$928.60K
ten Bosch John Roderick
10 Aug 2026
SVP of Laboratory Operations
Sold on a plan
1,417
$92.86
$131.58K
Atay Oguzhan
5 Aug 2026
Chairman and CEO
Sold after exercise
15,539
$150.03
$2.33M
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise indirect
6,250
$137.37
$858.56K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise indirect
6,250
$137.37
$858.56K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
82
$139.20
$11.41K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
760
$138.09
$104.95K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
3,125
$137.25
$428.89K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
1,983
$136.42
$270.53K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
43
$135.41
$5.82K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
173
$133.81
$23.15K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
84
$133.01
$11.17K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
82
$139.21
$11.42K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
762
$138.09
$105.22K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
3,124
$137.25
$428.75K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
1,981
$136.42
$270.26K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
44
$135.41
$5.96K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
173
$133.81
$23.15K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
84
$133.00
$11.17K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
267
$139.21
$37.17K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
2,431
$138.09
$335.69K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
9,989
$137.25
$1.37M
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
6,354
$136.42
$866.84K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
135
$135.42
$18.28K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
555
$133.81
$74.26K
Atay Oguzhan
3 Aug 2026
Chairman and CEO
Sold after exercise
269
$133.01
$35.78K
Sakakibara Shan Riku
31 Jul 2026
Chief Product Officer
Sold on a plan
4,000
$140.21
$560.84K
Johnson Nancy JoAnn
16 Jul 2026
See Remarks
Sold on a plan
906
$129.78
$117.58K
Johnson Nancy JoAnn
16 Jul 2026
See Remarks
Sold on a plan
5,601
$128.96
$722.28K
Johnson Nancy JoAnn
16 Jul 2026
See Remarks
Sold on a plan
5,559
$127.89
$710.92K
Johnson Nancy JoAnn
16 Jul 2026
See Remarks
Sold on a plan
2,133
$126.98
$270.85K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
1,028
$126.90
$130.45K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
3,835
$125.76
$482.28K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
1,725
$124.65
$215.03K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
2,274
$123.71
$281.31K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
1,138
$122.84
$139.80K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
821
$126.89
$104.18K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
3,185
$125.85
$400.82K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
2,415
$124.90
$301.63K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
2,477
$123.84
$306.76K
Tsao David
13 Jul 2026
Chief Technology Officer
Sold after exercise
1,102
$122.90
$135.44K
ten Bosch John Roderick
13 Jul 2026
SVP of Laboratory Operations
Sold on a plan
1,417
$125.46
$177.78K
ten Bosch John Roderick
13 Jul 2026
SVP of Laboratory Operations
Sold on a plan
1,417
$125.46
$177.78K
ten Bosch John Roderick
13 Jul 2026
SVP of Laboratory Operations
Sold on a plan
1,417
$125.46
$177.78K
Sakakibara Shan Riku
9 Jul 2026
Chief Product Officer
Sold after exercise
1,354
$125.00
$169.25K
Sakakibara Shan Riku
9 Jul 2026
Chief Product Officer
Sold after exercise
1,355
$125.00
$169.38K
Sakakibara Shan Riku
9 Jul 2026
Chief Product Officer
Sold after exercise
1,117
$125.00
$139.63K
Sakakibara Shan Riku
9 Jul 2026
Chief Product Officer
Sold after exercise
174
$125.00
$21.75K
Sakakibara Shan Riku
9 Jul 2026
Chief Product Officer
Sold after exercise
4,000
$125.00
$500.00K
Atay Oguzhan
9 Jul 2026
Chairman and CEO
Sold after exercise
352
$128.23
$45.14K
Atay Oguzhan
9 Jul 2026
Chairman and CEO
Sold after exercise
2,657
$127.44
$338.60K
Atay Oguzhan
9 Jul 2026
Chairman and CEO
Sold after exercise
2,002
$126.48
$253.22K
Atay Oguzhan
9 Jul 2026
Chairman and CEO
Sold after exercise
7,489
$125.43
$939.32K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
50
$124.74
$6.24K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
1,221
$124.04
$151.46K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
2,324
$123.25
$286.43K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
586
$122.08
$71.54K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
444
$120.69
$53.59K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
591
$119.67
$70.73K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
1,034
$118.81
$122.85K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
50
$124.74
$6.24K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
1,221
$124.04
$151.46K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
2,323
$123.25
$286.30K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
587
$122.08
$71.66K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
444
$120.69
$53.59K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
591
$119.67
$70.73K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise indirect
1,034
$118.81
$122.85K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
194
$124.61
$24.18K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
1,642
$123.81
$203.29K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
1,945
$123.07
$239.37K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
349
$121.84
$42.52K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
570
$120.66
$68.78K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
1,138
$119.36
$135.84K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
412
$118.49
$48.82K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
622
$124.61
$77.51K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
5,253
$123.81
$650.37K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
6,223
$123.07
$765.87K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
1,115
$121.84
$135.85K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
1,828
$120.66
$220.57K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
3,639
$119.37
$434.37K
Atay Oguzhan
6 Jul 2026
Chairman and CEO
Sold after exercise
1,320
$118.49
$156.40K
Johnson Nancy JoAnn
1 Jul 2026
See Remarks
Sold on a plan
801
$124.91
$100.06K
ten Bosch John Roderick
29 Jun 2026
SVP of Laboratory Operations
Sold on a plan
1,416
$120.00
$169.92K
Sakakibara Shan Riku
24 Jun 2026
Chief Product Officer
Sold after exercise
4,000
$110.00
$440.00K
Sakakibara Shan Riku
24 Jun 2026
Chief Product Officer
Sold after exercise
4,000
$110.00
$440.00K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
563
$104.32
$58.73K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
2,398
$103.63
$248.50K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
2,978
$102.60
$305.54K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
2,461
$101.37
$249.47K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
1,000
$100.05
$100.05K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
600
$98.74
$59.25K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
230
$104.47
$24.03K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
2,889
$103.68
$299.54K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
2,816
$102.77
$289.41K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
2,361
$101.55
$239.77K
Tsao David
15 Jun 2026
Chief Technology Officer
Sold after exercise
1,704
$100.37
$171.03K
ten Bosch John Roderick
15 Jun 2026
See Remarks
Sold on a plan
1,416
$101.47
$143.68K
ten Bosch John Roderick
15 Jun 2026
See Remarks
Sold on a plan
1,416
$101.47
$143.68K
Johnson Nancy JoAnn
9 Jun 2026
See Remarks
Sold on a plan
1,400
$100.31
$140.43K
Johnson Nancy JoAnn
9 Jun 2026
See Remarks
Sold on a plan
1,816
$102.34
$185.84K
Johnson Nancy JoAnn
9 Jun 2026
See Remarks
Sold on a plan
2,700
$101.38
$273.71K
Johnson Nancy JoAnn
9 Jun 2026
See Remarks
Sold on a plan
4,666
$99.27
$463.20K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise indirect
6,250
$100.00
$625.00K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise indirect
6,250
$96.45
$602.81K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
6,250
$100.00
$625.00K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
556
$99.97
$55.58K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
3,605
$99.06
$357.12K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
4,066
$98.12
$398.96K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
4,372
$96.89
$423.61K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
1,856
$95.59
$177.41K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
5,466
$94.76
$517.97K
Atay Oguzhan
8 Jun 2026
See Remarks
Sold after exercise
79
$100.87
$7.97K
Johnson Nancy JoAnn
8 Jun 2026
See Remarks
Sold on a plan
200
$100.99
$20.20K
Johnson Nancy JoAnn
8 Jun 2026
See Remarks
Sold on a plan
300
$100.05
$30.02K
Johnson Nancy JoAnn
8 Jun 2026
See Remarks
Sold on a plan
2,918
$99.09
$289.14K
Sakakibara Shan Riku
8 Jun 2026
Chief Product Officer
Sold on a plan
4,000
$100.00
$400.00K
Sakakibara Shan Riku
8 Jun 2026
Chief Product Officer
Sold on a plan
4,000
$96.45
$385.80K
Bremner Thomas S
7 Nov 2025
Director
Buy indirect
17,791
$60.00
$1.07M
Bremner Thomas S
7 Nov 2025
Director
Buy indirect
6,867
$60.00
$412.02K
Bremner Thomas S
7 Nov 2025
Director
Buy indirect
5,446
$60.00
$326.76K
Bremner Thomas S
7 Nov 2025
Director
Buy indirect
3,462
$60.00
$207.72K
Bremner Thomas S
7 Nov 2025
Director
Buy indirect
4,084
$60.00
$245.04K
Bremner Thomas S
7 Nov 2025
Director
Buy indirect
4,016
$60.00
$240.96K
Rai Akshay
7 Nov 2025
Director
Buy
2,500
$60.00
$150.00K
Johnson Nancy JoAnn
7 Nov 2025
See Remarks
Buy
6,900
$60.00
$414.00K
ten Bosch John Roderick
7 Nov 2025
See Remarks
Buy
800
$60.00
$48.00K
Tsao David
7 Nov 2025
Chief Technology Officer
Buy
1,000
$60.00
$60.00K
Lynch Thomas P.
7 Nov 2025
See Remarks
Buy
100
$60.00
$6.00K

What was left out

Form 4 filings counted 54
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 121
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 101,990,798
History held since 10 Nov 2025