AlphaYouBLLN: Atay Oguzhan discloses securities transactions
By AlphaYouPublished Form 4
Atay Oguzhan
Reporting filer
Atay Oguzhan reported Exercise or conversion in BillionToOne, Inc.: 8333 units of Class A Common Stock, dated 2026-09-28. The full Form 4 contains 4 transaction entries.
- Disclosed
- Oct 1, 2026
Reported details
4 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Class A Common Stock | Atay Oguzhan | 2026-09-28 | M | Exercise or conversion | 8333 | 2.80 | 8,333 | 3 days | Filed terms
|
| Class A Common Stock | Atay Oguzhan | 2026-09-28 | S | Sale | 8333 | 120.64 | 0 | 3 days | Filed terms
|
| Class A Common Stock | Atay Oguzhan | 2026-09-28 | S | Sale | 2666 | 120.64 | 154,502 | 3 days | Filed terms
|
| Stock Option (right to buy) (derivative) | Atay Oguzhan | 2026-09-28 | M | Exercise or conversion | 8333 | 2.80 | 493,629 | 3 days | Filed terms
|
Class A Common Stock
- Owner
- Atay Oguzhan
- Date
- 2026-09-28
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 8333
- Price
- 2.80
- Following holdings
- 8,333
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-28
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- id: F1
- transaction Shares: 8333
- transaction Price Per Share: 2.80
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 8333
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Atay Oguzhan
- Date
- 2026-09-28
- Code
- S
- Action
- Sale
- Quantity
- 8333
- Price
- 120.64
- Following holdings
- 0
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-28
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 8333
- transaction Price Per Share: 120.64
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 0
- direct Or Indirect Ownership: D
Class A Common Stock
- Owner
- Atay Oguzhan
- Date
- 2026-09-28
- Code
- S
- Action
- Sale
- Quantity
- 2666
- Price
- 120.64
- Following holdings
- 154,502
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Class A Common Stock
- transaction Date: 2026-09-28
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F2
- transaction Shares: 2666
- transaction Price Per Share: 120.64
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 154502
- direct Or Indirect Ownership: I
- nature Of Ownership: By spouse
- id: F3
Stock Option (right to buy) (derivative)
- Owner
- Atay Oguzhan
- Date
- 2026-09-28
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 8333
- Price
- 2.80
- Following holdings
- 493,629
- Reporting delay
- 3 days
- Filed terms and references
Filed terms
- security Title: Stock Option (right to buy)
- conversion Or Exercise Price: 2.80
- transaction Date: 2026-09-28
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 8333
- transaction Price Per Share: 2.80
- transaction Acquired Disposed Code: D
- id: F4
- expiration Date: 2031-06-07
- underlying Security Title: Class A Common Stock
- underlying Security Shares: 8333
- shares Owned Following Transaction: 493629
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- Atay Oguzhan: Chairman and CEO, Director.
- The filing reports a Rule 10b5-1 trading plan.
- F1: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 5, 2026.
- F2: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person's spouse on June 7, 2026.
- F3: Represents shares held by the Reporting Person's spouse.
- F4: The options are fully vested and exercisable.
Original sources
Prepared automatically from public filing data. Report a correction.