Atay Oguzhaninsider trades
In SEC Form 4 filings, Atay Oguzhan is listed as Chairman and CEO of BillionToOne, Inc. (BLLN). In the last 90 days, Atay Oguzhan sold $7.27M of BillionToOne, Inc. (BLLN) on the open market and bought none. All 26 sales were reported under a 10b5-1 trading plan.
Companies and roles
| Company | Role | Transactions | Last filed |
|---|---|---|---|
| BLLNBillionToOne, Inc. | Chairman and CEO | 41 | Oct 16 |
Cluster buys
No cluster buy in the last 90 days included a purchase by this insider (two or more insiders buying within 14 days).
Form 4 historysince 2026-09-10
| Company | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| BLLNBillionToOne, Inc. | Oct 15 | Oct 16 | M | 5,150 | $2.80 | $14,420 | 5,150 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 15 | Oct 16 | S | 900 | $98.43 | Sale −$88,590 | 4,250 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 15 | Oct 16 | S | 1,861 | $99.84 | Sale −$185,809 | 2,389 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 15 | Oct 16 | S | 1,276 | $100.60 | Sale −$128,369 | 1,113 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 15 | Oct 16 | S | 980 | $101.79 | Sale −$99,751 | 133 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 15 | Oct 16 | S | 133 | $102.78 | Sale −$13,669 | not reported | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 15 | Oct 16 | M · derivative | 5,150 | $2.80 | $14,420 | 468,629 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 14 | Oct 16 | M | 3,183 | $2.80 | $8,912 | 3,183 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 14 | Oct 16 | S | 3,083 | $98.32 | Sale −$303,120 | 100 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 14 | Oct 16 | S | 100 | $99.00 | Sale −$9,900 | not reported | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 14 | Oct 16 | S | 2,667 | $98.00 | Sale −$261,366 | 149,168 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 14 | Oct 16 | M · derivative | 3,183 | $2.80 | $8,912 | 473,779 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | M | 16,667 | $2.80 | $46,668 | 16,667 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | S | 1,961 | $91.57 | Sale −$179,571 | 14,706 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | S | 2,553 | $93.05 | Sale −$237,546 | 12,153 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | S | 6,763 | $93.65 | Sale −$633,335 | 5,390 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | S | 3,869 | $94.61 | Sale −$366,059 | 1,521 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | S | 1,521 | $96.39 | Sale −$146,613 | not reported | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | S | 2,667 | $97.61 | Sale −$260,326 | 151,835 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Oct 12 | Oct 14 | M · derivative | 16,667 | $2.80 | $46,668 | 476,962 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 28 | Sep 30 | M | 8,333 | $2.80 | $23,332 | 8,333 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 28 | Sep 30 | S | 8,333 | $120.64 | Sale −$1,005,293 | not reported | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 28 | Sep 30 | S | 2,666 | $120.64 | Sale −$321,626 | 154,502 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 28 | Sep 30 | M · derivative | 8,333 | $2.80 | $23,332 | 493,629 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | M | 16,666 | $2.80 | $46,665 | 16,666 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | M | 8,333 | $2.80 | $23,332 | 24,999 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 4,465 | $98.63 | Sale −$440,389 | 20,534 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 2,456 | $99.57 | Sale −$244,547 | 18,078 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 2,531 | $100.58 | Sale −$254,570 | 15,547 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 7,214 | $101.44 | Sale −$731,793 | 8,333 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 1,680 | $98.64 | Sale −$165,708 | 6,653 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 1,500 | $99.57 | Sale −$149,352 | 5,153 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 2,010 | $100.78 | Sale −$202,559 | 3,143 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 3,143 | $101.49 | Sale −$318,989 | not reported | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 2,666 | $98.00 | Sale −$261,268 | 159,834 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | S | 2,666 | $98.00 | Sale −$261,268 | 157,168 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | M · derivative | 16,666 | $2.80 | $46,665 | 510,295 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 14 | Sep 16 | M · derivative | 8,333 | $2.80 | $23,332 | 501,962 | Yes | Form 4 |
| BLLNBillionToOne, Inc. | Sep 9 | Sep 10 | G | 20,000 | $0.00 | $0 | not reported | No | Form 4 |
| BLLNBillionToOne, Inc. | Sep 8 | Sep 10 | C | 20,000 | $0.00 | $0 | 20,000 | No | Form 4 |
| BLLNBillionToOne, Inc. | Sep 8 | Sep 10 | C · derivative | 20,000 | $0.00 | $0 | 2,197,542 | No | Form 4 |
Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.