Arkolith/Insider Trading/BLLN/Form 4

Sakakibara Shan Riku

Chief Product OfficerBillionToOne, Inc. (BLLN) · full profile →Form 4 · filed Jun 26, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$880K
Net Open-Market Flow
-$880K
Transactions
4
3 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 24, 2026Option exercise(M)4K$8.65$35K216K
Jun 24, 2026Sell(S)4K$110.00$440K212K
Jun 24, 2026Sell(S)4K$110.00$440K208K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 24, 2026Option exercise(M)4K$8.65$35K36K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002088547-26-000004) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML