Arkolith/Insider Trading/BLLN/Form 4

Atay Oguzhan

Chairman and CEO, DirectorBillionToOne, Inc. (BLLN) · full profile →Form 4 · filed Aug 6, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$6.2M
Net Open-Market Flow
-$6.2M
Transactions
29
26 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 3, 2026Option exercise(M)20K$2.80$56K20K
Aug 3, 2026Option exercise(M)6K$2.80$18K26K
Aug 3, 2026Option exercise(M)6K$2.80$18K33K
Aug 3, 2026Sell(S)269$133.01$36K32K
Aug 3, 2026Sell(S)555$133.81$74K32K
Aug 3, 2026Sell(S)135$135.42$18K32K
Aug 3, 2026Sell(S)6K$136.42$867K25K
Aug 3, 2026Sell(S)10K$137.25$1.4M15K
Aug 3, 2026Sell(S)2K$138.09$336K13K
Aug 3, 2026Sell(S)267$139.21$37K13K
Aug 3, 2026Sell(S)84$133.00$11K12K
Aug 3, 2026Sell(S)173$133.81$23K12K
Aug 3, 2026Sell(S)44$135.41$6K12K
Aug 3, 2026Sell(S)2K$136.42$270K10K
Aug 3, 2026Sell(S)3K$137.25$429K7K
Aug 3, 2026Sell(S)762$138.09$105K6K
Aug 3, 2026Sell(S)82$139.21$11K6K
Aug 3, 2026Sell(S)84$133.01$11K6K
Aug 3, 2026Sell(S)173$133.81$23K6K
Aug 3, 2026Sell(S)43$135.41$6K6K
Aug 3, 2026Sell(S)2K$136.42$271K4K
Aug 3, 2026Sell(S)3K$137.25$429K842
Aug 3, 2026Sell(S)760$138.09$105K82
Aug 3, 2026Sell(S)82$139.20$11K0
Aug 3, 2026Sell(S)6K$137.37$859K169K
Aug 3, 2026Sell(S)6K$137.37$859K163K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 3, 2026Option exercise(M)20K$2.80$56K555K
Aug 3, 2026Option exercise(M)6K$2.80$18K549K
Aug 3, 2026Option exercise(M)6K$2.80$18K543K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002070849-26-000052) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML

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