John Roderick ten Bosch

CIK: 0002087126

Transaction Breakdown

Open Market Buys (P)1 (6.3%)

High conviction signal

Open Market Sales (S)13 (81.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (12.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BLLN

BillionToOne, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (16 total)

BLLN
BillionToOne, Inc.
Oct 5, 2026
Sale(S)
Direct
1.4K shares at avg. $105.15$149K
BLLN
BillionToOne, Inc.
Oct 5, 2026
Sale(S)
Direct
1.4K shares at avg. $105.15$149K
BLLN
BillionToOne, Inc.
Sep 24, 2026
Sale(S)
Direct
1.4K shares at avg. $120.00$170K
BLLN
BillionToOne, Inc.
Sep 21, 2026
Sale(S)
Direct
1.4K shares at avg. $106.61$151K
BLLN
BillionToOne, Inc.
Sep 9, 2026
Sale(S)
Direct
1.4K shares at avg. $97.54$138K
BLLN
BillionToOne, Inc.
Aug 25, 2026
Sale(S)
Direct
1.4K shares at avg. $100.00$142K
BLLN
BillionToOne, Inc.
Aug 10, 2026
Sale(S)
Direct
1.4K shares at avg. $92.86$132K
BLLN
BillionToOne, Inc.
Jul 13, 2026
Sale(S)
Direct
1.4K shares at avg. $125.46$178K
BLLN
BillionToOne, Inc.
Jul 13, 2026
Sale(S)
Direct
1.4K shares at avg. $125.46$178K
BLLN
BillionToOne, Inc.
Jul 13, 2026
Sale(S)
Direct
1.4K shares at avg. $125.46$178K
BLLN
BillionToOne, Inc.
Jun 29, 2026
Sale(S)
Direct
1.4K shares at avg. $120.00$170K
BLLN
BillionToOne, Inc.
Jun 15, 2026
Sale(S)
Direct
1.4K shares at avg. $101.47$144K
BLLN
BillionToOne, Inc.
Jun 15, 2026
Sale(S)
Direct
1.4K shares at avg. $101.47$144K
BLLN
BillionToOne, Inc.
Nov 7, 2025
Other(J)
Direct
37K shares-
BLLN
BillionToOne, Inc.
Nov 7, 2025
Other(J)
Direct
37K shares-
BLLN
BillionToOne, Inc.
Nov 7, 2025
Purchase(P)
Direct
800 shares at avg. $60.00$48K

		Type	Shares	Price		Ownership
Oct 5, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,417	$105.15	$148,998	Direct
Oct 5, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,417	$105.15	$148,998	Direct
Sep 24, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,416	$120.00	$169,920	Direct
Sep 21, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,416	$106.61	$150,960	Direct
Sep 9, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,416	$97.54	$138,117	Direct
Aug 25, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,417	$100.00	$141,700	Direct
Aug 10, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,417	$92.86	$131,583	Direct
Jul 13, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,417	$125.46	$177,777	Direct
Jul 13, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,417	$125.46	$177,777	Direct
Jul 13, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,417	$125.46	$177,777	Direct
Jun 29, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,416	$120.00	$169,920	Direct
Jun 15, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,416	$101.47	$143,682	Direct
Jun 15, 2026	BLLN BillionToOne, Inc.	Sale(S)	1,416	$101.47	$143,682	Direct
Nov 7, 2025	BLLN BillionToOne, Inc.	Other(J)	37,000	-	-	Direct
Nov 7, 2025	BLLN BillionToOne, Inc.	Other(J)	37,000	-	-	Direct
Nov 7, 2025	BLLN BillionToOne, Inc.	Purchase(P)	800	$60.00	$48,000	Direct

1-16 of 16 transactions

About ten Bosch John Roderick

ten Bosch John Roderick (SEC CIK 0002087126) files insider reports with the SEC as SVP of Laboratory Operations of BillionToOne, Inc. (BLLN).

Signal8 holds 11 ownership filings by ten Bosch John Roderick (1 Form 3, 10 Form 4), filed between Nov 5, 2025 and Oct 7, 2026. Those filings report 16 transactions, from Nov 7, 2025 to Oct 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on ten Bosch John Roderick's filings is in MENLO PARK, CA.

Recent filings by ten Bosch John Roderick

Oct 5, 2026: Open-market sales of BLLN shares (2 lines, Form 4, code S).
Sep 24, 2026: Open-market sale of BLLN shares (Form 4, code S).
Sep 21, 2026: Open-market sale of BLLN shares (Form 4, code S).
Sep 9, 2026: Open-market sale of BLLN shares (Form 4, code S).
Aug 25, 2026: Open-market sale of BLLN shares (Form 4, code S).

Other insiders filing for BillionToOne, Inc. (BLLN)

Atay Oguzhan, Chairman and CEO
Nomads Partnership, 10% Owner
Lynch Thomas P.
Tsao David, Chief Technology Officer
Sakakibara Shan Riku, Chief Product Officer
KOLLURI KRISHNA KITTU, Director

How to read Form 4 transaction codes