Atay Oguzhan - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Atay Oguzhan
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-10-14
Sale
2026-10-16
7:00 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
11,000$99.14$1,090,5751,091,576
(Indirect
Direct)
View
2026-10-12
Sale
2026-10-14
6:10 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
19,334$94.31$1,823,450628,797
(Indirect
Direct)
View
2026-09-28
Sale
2026-09-30
8:33 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
10,999$120.64$1,326,919648,131
(Indirect
Direct)
View
2026-09-14
Sale
2026-09-16
6:43 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
30,331$99.91$3,030,4441,169,425
(Indirect
Direct)
View
2026-08-05
Sale
2026-08-07
4:02 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
15,539$150.03$2,331,352526,961
(Direct)
View
2026-08-03
Sale
2026-08-05
8:52 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
45,000$137.07$6,167,9601,808,750
(Indirect
Direct)
View
2026-07-09
Sale
2026-07-13
4:39 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
12,500$126.1$1,576,276575,000
(Direct)
View
2026-07-06
Sale
2026-07-08
7:06 pm
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
38,750$122.05$4,729,3791,356,250
(Indirect
Direct)
View
2026-06-08
Sale
2026-06-10
8:35 pm
BillionToOne Inc.BLLNAtay Oguzhan
See Remarks
38,750$97.84$3,791,4453,638,792
(Indirect
Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-10-14
Exercise
2026-10-16
7:00 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
8,333$2.81,091,576
(Direct)
View
2026-10-12
Exercise
2026-10-14
6:10 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
16,667$2.8628,797
(Direct)
View
2026-09-28
Exercise
2026-09-30
8:33 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
8,333$2.8648,131
(Direct)
View
2026-09-14
Exercise
2026-09-16
6:43 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
24,999$2.81,169,425
(Direct)
View
2026-09-09
Gift
2026-09-10
7:44 pm
N/A
N/A
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
20,000$02,197,542
(Direct)
View
2026-09-08
Conversion
2026-09-10
7:44 pm
N/A
N/A
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
20,000$02,197,542
(Direct)
View
2026-08-05
Exercise
2026-08-07
4:02 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
15,539$2.8526,961
(Direct)
View
2026-08-03
Exercise
2026-08-05
8:52 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
32,500$2.81,808,750
(Direct)
View
2026-07-09
Exercise
2026-07-13
4:39 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
12,500$2.8575,000
(Direct)
View
2026-07-06
Exercise
2026-07-08
7:06 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
Chairman and CEO
26,250$2.81,356,250
(Direct)
View
2026-06-09
Gift
2026-06-10
8:35 pm
N/A
N/A
BillionToOne Inc.BLLNAtay Oguzhan
See Remarks
10,000$03,638,792
(Direct)
View
2026-06-08
Exercise
2026-06-10
8:35 pm
N/A
2031-06-07
BillionToOne Inc.BLLNAtay Oguzhan
See Remarks
26,250$2.83,638,792
(Direct)
View
2026-06-08
Conversion
2026-06-10
8:35 pm
N/A
N/A
BillionToOne Inc.BLLNAtay Oguzhan
See Remarks
10,000$03,638,792
(Direct)
View
2025-11-07
Other
2025-11-12
6:14 pm
N/A
N/A
BillionToOne Inc.BLLNAtay Oguzhan
See Remarks
7,941,288$011,153,270
(Direct)
View
2025-11-07
Conversion
2025-11-12
6:14 pm
N/A
N/A
BillionToOne Inc.BLLNAtay Oguzhan
See Remarks
262,434$011,153,270
(Direct)
View

Ownership
2025-11-05
9:32 pm
N/A
N/A
BillionToOne Inc.BLLNAtay Oguzhan
See Remarks
0$04,070,644
(Direct)
View