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Insider · CIK 0002087126

John Roderick ten Bosch

officer

Files at BLLN (BillionToOne, Inc.). First filing Nov 12, 2025, latest Oct 7, 2026.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 4
$48k bought, $757k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

BLLN: BillionToOne, Inc.

BLLNOct 9, 2026 · close 98.09

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
29Weak
BLLNsell 310b5-1
BillionToOne, Inc.
$298k
2,834 shares
-13%+70% from low-27% from high
21Weak
BLLNsell 410b5-1
BillionToOne, Inc.
$170k
1,416 shares
-6%+95% from low-17% from high
21Weak
BLLNsell 410b5-1
BillionToOne, Inc.
$151k
1,416 shares
-6%+62% from low-31% from high
21Weak
BLLNsell 410b5-1
BillionToOne, Inc.
$138k
1,416 shares
-5%-
47Moderate
BLLNbuy 6
BillionToOne, Inc.
$48k
800 shares
+2%0% from low-8% from high

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 5, 2026BLLN
BillionToOne, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-1,417$105.15$149k20,8025 d ago
Oct 5, 2026BLLN
BillionToOne, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-1,417$105.15$149k19,3855 d ago
Sep 24, 2026BLLN
BillionToOne, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-1,416$120.00$170k22,21914 d ago
Sep 21, 2026BLLN
BillionToOne, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-1,416$106.61$151k23,63519 d ago
Sep 9, 2026BLLN
BillionToOne, Inc.
SOpen-market sale
Class A Common Stock10b5-1
-1,416$97.54$138k25,05131 d ago
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Common Stock
-37,000--0Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Class A Common Stock
+37,000--37,000Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
POpen-market purchase
Class A Common Stock
+800$60.00$48k37,800Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
-28,500--0Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
+28,500--28,500Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
-20,000--0Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
+20,000--20,000Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
-15,000--0Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
+15,000--15,000Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
-30,000--0Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
+30,000--30,000Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
-37,500--0Nov 12, 2025
Nov 7, 2025BLLN
BillionToOne, Inc.
JOther
Stock Option (right to buy)derivative
+37,500--37,500Nov 12, 2025

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.