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Who

John Roderick ten Bosch

SVP of Laboratory Operations

Company insider

Files Form 4 as: SVP of Laboratory Operations, BillionToOne.

In numbers

Trades disclosed
37
Buys
1
Sells
9
Bought
$48K
Sold
$3.7M
Companies
1
Companies where not an officer
0
First trade
7 Nov 2025
Last trade
5 Oct 2026
Last filed
7 Oct 2026

Companies traded

Where they are an officer
BLLN BillionToOneOfficer · Diagnostics & Labs · last 5 Oct 20261 buy · 9 sells

Activity over time

1 Nov 2025 – 1 Oct 2026
301Nov 25Feb 26May 26Jul 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
5 Oct 2026filed 7 Oct 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$149K1,417 at $105.15filing
5 Oct 2026filed 7 Oct 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$149K1,417 at $105.15filing
24 Sep 2026filed 28 Sep 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$170K1,416 at $120.00filing
24 Sep 2026filed 28 Sep 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$170K1,416 at $120.00filing
21 Sep 2026filed 23 Sep 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$151K1,416 at $106.61filing
21 Sep 2026filed 23 Sep 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$151K1,416 at $106.61filing
9 Sep 2026filed 11 Sep 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$138K1,416 at $97.54filing
9 Sep 2026filed 11 Sep 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$138K1,416 at $97.54filing
25 Aug 2026filed 27 Aug 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$142K1,417 at $100.00filing
25 Aug 2026filed 27 Aug 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$142K1,417 at $100.00filing
10 Aug 2026filed 12 Aug 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$132K1,417 at $92.86filing
10 Aug 2026filed 12 Aug 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$132K1,417 at $92.86filing
13 Jul 2026filed 15 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$178K1,417 at $125.46filing
13 Jul 2026filed 15 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$178K1,417 at $125.46filing
13 Jul 2026filed 15 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$178K1,417 at $125.46filing
13 Jul 2026filed 15 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$178K1,417 at $125.46filing
13 Jul 2026filed 15 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$178K1,417 at $125.46filing
13 Jul 2026filed 15 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$178K1,417 at $125.46filing
29 Jun 2026filed 1 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$170K1,416 at $120.00filing
29 Jun 2026filed 1 Jul 2026BLLN BillionToOneDiagnostics & LabsSEC FORM 4 Sold$170K1,416 at $120.00filing

Sectors

Health Care10

Buys in green, sells in red, by the company’s sector.

Related people

Thomas P. LynchOfficer · Officer at BillionToOne, filing Form 4 there in the last year
Oguzhan AtayChairman and CEO · Chairman and CEO at BillionToOne, filing Form 4 there in the last year
David TsaoChief Technology Officer · Chief Technology Officer at BillionToOne, filing Form 4 there in the last year
Shan Riku SakakibaraChief Product Officer · Chief Product Officer at BillionToOne, filing Form 4 there in the last year
Krishna Kittu KolluriDirector · Director at BillionToOne, filing Form 4 there in the last year