InsiderFlow

BLLN

BillionToOne, Inc.$101.55+2.89 (+2.93%)
Prev Close$98.77·MCap$4.57B·P/E214.57·Vol234.5K·Yield

Buys (12M)

6

$3.18M

Sells (12M)

0

$0.00

Net Activity

Net Buyer

$3.18M

Active Insiders

6

last 12 mo

Over the past 12 months, insider activity at BillionToOne, Inc. (BLLN) has been exclusively buying, with 6 insider purchases totaling $3.18M and 0 insider sales totaling $0.00. The most recent insider transaction was by Johnson Nancy JoAnn (See Remarks), who purchased $414.0K worth of shares on Nov 7, 2025. BillionToOne, Inc. operates in the Healthcare sector, within the Medical - Diagnostics & Research industry, with a market cap of $4.57B.

BLLN Insider Trading Activity

DateInsiderTypeValue
Nov 7, 2025 Johnson Nancy JoAnnBuy$414.0K
Nov 7, 2025 Lynch Thomas P.Buy$6.0K
Nov 7, 2025 Rai AkshayBuy$150.0K
Nov 7, 2025 ten Bosch John RoderickBuy$48.0K
Nov 7, 2025 Tsao DavidBuy$60.0K
Nov 6, 2025 Bremner Thomas SBuy$2.50M

BLLN Insider Buying Activity

The following table shows recent insider purchases of BillionToOne, Inc. (BLLN) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Nov 7, 2025 Johnson Nancy JoAnnBuy$414.0K
Nov 7, 2025 Lynch Thomas P.Buy$6.0K
Nov 7, 2025 Rai AkshayBuy$150.0K
Nov 7, 2025 ten Bosch John RoderickBuy$48.0K
Nov 7, 2025 Tsao DavidBuy$60.0K
Nov 6, 2025 Bremner Thomas SBuy$2.50M

BLLN Insider Selling Activity

The following table shows recent insider sales of BillionToOne, Inc. (BLLN) stock reported via SEC Form 4 filings.

No insider selling activity found for BLLN in the last 12 months.

BLLN Insiders

Johnson Nancy JoAnn

See Remarks

Bought $414.0K
1 tradesLast: Nov 7, 2025
Rai Akshay

Director

Bought $150.0K
1 tradesLast: Nov 7, 2025
Tsao David

Chief Technology Officer

Bought $60.0K
1 tradesLast: Nov 7, 2025
ten Bosch John Roderick

See Remarks

Bought $48.0K
1 tradesLast: Nov 7, 2025
Lynch Thomas P.

See Remarks

Bought $6.0K
1 tradesLast: Nov 7, 2025
Bremner Thomas S

Director

Bought $2.50M
1 tradesLast: Nov 6, 2025