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Reporting owner · Q3 2026 · CIK 2088549

Atay Oguzhan: insider trades.

Atay Oguzhan reported 80 non-derivative transactions on 7 SEC ownership filings in Q3 2026: 0 open-market purchases and 68 sales ($19.2M), across 1 company.

Transactions
80
Purchases (P)
0
Sales (S)
68
Companies
1
Name as filed
Atay Oguzhan

Companies

CompanyRelationshipTransactions
BillionToOne, Inc. (BLLN)Director, Officer · Chairman and CEO80

Transactions

80 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-09-28BillionToOne, Inc.M8,333$2.88,333Form 4
2026-09-28BillionToOne, Inc.S2,666$120.64154,502Form 4
2026-09-28BillionToOne, Inc.S8,333$120.640Form 4
2026-09-14BillionToOne, Inc.S2,010$100.783,143Form 4
2026-09-14BillionToOne, Inc.S3,143$101.490Form 4
2026-09-14BillionToOne, Inc.S2,666$98159,834Form 4
2026-09-14BillionToOne, Inc.S2,666$98157,168Form 4
2026-09-14BillionToOne, Inc.M16,666$2.816,666Form 4
2026-09-14BillionToOne, Inc.S1,500$99.575,153Form 4
2026-09-14BillionToOne, Inc.S4,465$98.6320,534Form 4
2026-09-14BillionToOne, Inc.S2,456$99.5718,078Form 4
2026-09-14BillionToOne, Inc.S2,531$100.5815,547Form 4
2026-09-14BillionToOne, Inc.S7,214$101.448,333Form 4
2026-09-14BillionToOne, Inc.S1,680$98.646,653Form 4
2026-09-14BillionToOne, Inc.M8,333$2.824,999Form 4
2026-09-09BillionToOne, Inc.G20,000$00Form 4
2026-09-08BillionToOne, Inc.C20,000$020,000Form 4
2026-08-05BillionToOne, Inc.M15,539$2.815,539Form 4
2026-08-05BillionToOne, Inc.S15,539$150.030Form 4
2026-08-03BillionToOne, Inc.S762$138.096,332Form 4
2026-08-03BillionToOne, Inc.S9,989$137.2515,198Form 4
2026-08-03BillionToOne, Inc.S6,354$136.4225,187Form 4
2026-08-03BillionToOne, Inc.S135$135.4231,541Form 4
2026-08-03BillionToOne, Inc.S267$139.2112,500Form 4
2026-08-03BillionToOne, Inc.S2,431$138.0912,767Form 4
2026-08-03BillionToOne, Inc.S3,124$137.257,094Form 4
2026-08-03BillionToOne, Inc.S1,981$136.4210,218Form 4
2026-08-03BillionToOne, Inc.S44$135.4112,199Form 4
2026-08-03BillionToOne, Inc.S173$133.8112,243Form 4
2026-08-03BillionToOne, Inc.S84$13312,416Form 4
2026-08-03BillionToOne, Inc.M20,000$2.820,000Form 4
2026-08-03BillionToOne, Inc.S555$133.8131,676Form 4
2026-08-03BillionToOne, Inc.S269$133.0132,231Form 4
2026-08-03BillionToOne, Inc.M6,250$2.832,500Form 4
2026-08-03BillionToOne, Inc.M6,250$2.826,250Form 4
2026-08-03BillionToOne, Inc.S6,250$137.37162,500Form 4
2026-08-03BillionToOne, Inc.S6,250$137.37168,750Form 4
2026-08-03BillionToOne, Inc.S82$139.20Form 4
2026-08-03BillionToOne, Inc.S760$138.0982Form 4
2026-08-03BillionToOne, Inc.S3,125$137.25842Form 4
2026-08-03BillionToOne, Inc.S1,983$136.423,967Form 4
2026-08-03BillionToOne, Inc.S43$135.415,950Form 4
2026-08-03BillionToOne, Inc.S173$133.815,993Form 4
2026-08-03BillionToOne, Inc.S84$133.016,166Form 4
2026-08-03BillionToOne, Inc.S82$139.216,250Form 4
2026-07-09BillionToOne, Inc.S7,489$125.435,011Form 4
2026-07-09BillionToOne, Inc.S2,002$126.483,009Form 4
2026-07-09BillionToOne, Inc.S2,657$127.44352Form 4
2026-07-09BillionToOne, Inc.S352$128.230Form 4
2026-07-09BillionToOne, Inc.M12,500$2.812,500Form 4
2026-07-06BillionToOne, Inc.S412$118.495,838Form 4
2026-07-06BillionToOne, Inc.S1,138$119.364,700Form 4
2026-07-06BillionToOne, Inc.S570$120.664,130Form 4
2026-07-06BillionToOne, Inc.S349$121.843,781Form 4
2026-07-06BillionToOne, Inc.S1,945$123.071,836Form 4
2026-07-06BillionToOne, Inc.S1,642$123.81194Form 4
2026-07-06BillionToOne, Inc.S194$124.610Form 4
2026-07-06BillionToOne, Inc.S1,034$118.81186,466Form 4
2026-07-06BillionToOne, Inc.S591$119.67185,875Form 4
2026-07-06BillionToOne, Inc.S444$120.69185,431Form 4
2026-07-06BillionToOne, Inc.S587$122.08184,844Form 4
2026-07-06BillionToOne, Inc.S2,323$123.25182,521Form 4
2026-07-06BillionToOne, Inc.S1,221$124.04181,300Form 4
2026-07-06BillionToOne, Inc.S50$124.74181,250Form 4
2026-07-06BillionToOne, Inc.S1,034$118.81180,216Form 4
2026-07-06BillionToOne, Inc.S591$119.67179,625Form 4
2026-07-06BillionToOne, Inc.S444$120.69179,181Form 4
2026-07-06BillionToOne, Inc.S586$122.08178,595Form 4
2026-07-06BillionToOne, Inc.S2,324$123.25176,271Form 4
2026-07-06BillionToOne, Inc.S1,221$124.04175,050Form 4
2026-07-06BillionToOne, Inc.S50$124.74175,000Form 4
2026-07-06BillionToOne, Inc.M20,000$2.820,000Form 4
2026-07-06BillionToOne, Inc.M6,250$2.826,250Form 4
2026-07-06BillionToOne, Inc.S1,320$118.4924,930Form 4
2026-07-06BillionToOne, Inc.S3,639$119.3721,291Form 4
2026-07-06BillionToOne, Inc.S1,828$120.6619,463Form 4
2026-07-06BillionToOne, Inc.S1,115$121.8418,348Form 4
2026-07-06BillionToOne, Inc.S6,223$123.0712,125Form 4
2026-07-06BillionToOne, Inc.S5,253$123.816,872Form 4
2026-07-06BillionToOne, Inc.S622$124.616,250Form 4

Questions

What stock did Atay Oguzhan buy or sell?

Atay Oguzhan reported 80 non-derivative transactions on 7 SEC ownership filings in Q3 2026: 0 open-market purchases and 68 sales ($19.2M), across 1 company.

Is Atay Oguzhan the same person as other filers with this name?

This page covers SEC CIK 2088549 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/atay-oguzhan-2088549.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.