BLLN

BillionToOne, Inc.

Insider trading activity for BillionToOne, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$34.9M

net selling

Bought(0 · 0 insiders): $0
Sold(116 · 6 insiders): $34.9M

Past 6 months

-$44.1M

net selling

Bought(0 · 0 insiders): $0
Sold(150 · 6 insiders): $44.1M

Past 12 months

-$40.9M

net selling

Bought(11 · 6 insiders): $3.2M
Sold(150 · 6 insiders): $44.1M

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 21	ten Bosch John Roderick	SVP of Laboratory…	SSELL◷	1,416	$106.61	$151K	-5.7%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷◆	5,840	$30.78	$179.8K	—	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷◆	2,920	$17.12	$50K	—	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷◆	6,968	$11.55	$80.5K	—	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷◆	19,384	$8.65	$167.7K	—	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	SSELL◷	5,840	$110.29	$644.1K	-89.3%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	SSELL◷	2,920	$110.31	$322.1K	-30.9%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	SSELL◷	6,968	$110.30	$768.6K	-42.4%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	SSELL◷	19,384	$110.36	$2.1M	-54.1%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷	5,840	$30.78	$179.8K	+19.5%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷	2,920	$17.12	$50K	+10.8%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷	6,968	$11.55	$80.5K	+34.7%	Open the original filing on SEC.gov
Sep 17	Lynch Thomas P.	See Remarks	MEXER◷	19,384	$8.65	$167.7K	+2,769%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	MEXER◷◆	8,333	$2.80	$23.3K	—	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	MEXER◷◆	16,666	$2.80	$46.7K	—	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	2,666	$98.00	$261.3K	-1.7%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	2,666	$98.00	$261.3K	-1.6%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	3,143	$101.49	$319K	-100.0%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	2,010	$100.78	$202.6K	-39.0%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	1,500	$99.57	$149.4K	-22.6%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	1,680	$98.64	$165.7K	-20.2%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	7,214	$101.44	$731.8K	-46.4%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	2,531	$100.58	$254.6K	-14.0%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	2,456	$99.57	$244.5K	-12.0%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	SSELL◷	4,465	$98.63	$440.4K	-17.9%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	MEXER◷	8,333	$2.80	$23.3K	+50.0%	Open the original filing on SEC.gov
Sep 14	Atay Oguzhan	Chairman and CEO	MEXER◷	16,666	$2.80	$46.7K	—	Open the original filing on SEC.gov
Sep 10	Sakakibara Shan Riku	Chief Product Officer	GGIFT	3,500	—	—	-1.8%	Open the original filing on SEC.gov
Sep 9	Tsao David	Chief Technology Officer	MEXER◷◆	10,000	$2.80	$28K	—	Open the original filing on SEC.gov
Sep 9	Tsao David	Chief Technology Officer	MEXER◷◆	10,000	$2.80	$28K	—	Open the original filing on SEC.gov
Sep 9	Tsao David	Chief Technology Officer	SSELL◷	10,000	$100.00	$1M	-90.9%	Open the original filing on SEC.gov
Sep 9	Tsao David	Chief Technology Officer	SSELL◷	10,000	$97.54	$975.4K	-47.6%	Open the original filing on SEC.gov
Sep 9	Tsao David	Chief Technology Officer	MEXER◷	10,000	$2.80	$28K	+90.9%	Open the original filing on SEC.gov
Sep 9	Tsao David	Chief Technology Officer	MEXER◷	10,000	$2.80	$28K	+1,000%	Open the original filing on SEC.gov
Sep 9	ten Bosch John Roderick	SVP of Laboratory…	SSELL◷	1,416	$97.54	$138.1K	-5.3%	Open the original filing on SEC.gov
Sep 9	Atay Oguzhan	Chairman and CEO	GGIFT	20,000	—	—	-100.0%	Open the original filing on SEC.gov
Sep 8	Atay Oguzhan	Chairman and CEO	CCONV◆	20,000	—	—	—	Open the original filing on SEC.gov
Sep 8	Atay Oguzhan	Chairman and CEO	CCONV	20,000	—	—	—	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷◆	3,326	$30.78	$102.4K	—	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷◆	1,663	$17.12	$28.5K	—	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷◆	3,969	$11.55	$45.8K	—	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷◆	11,042	$8.65	$95.5K	—	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	232	$100.92	$23.4K	-24.9%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	2,518	$100.20	$252.3K	-73.0%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	576	$98.89	$57K	-14.3%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	147	$101.41	$14.9K	-3.5%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	1,131	$100.33	$113.5K	-21.3%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	385	$99.22	$38.2K	-6.8%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	358	$100.82	$36.1K	-5.9%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	2,997	$100.11	$300K	-33.1%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	614	$99.00	$60.8K	-6.4%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	775	$100.83	$78.1K	-7.4%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	8,285	$100.12	$829.5K	-44.3%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	1,944	$98.97	$192.4K	-9.4%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	SSELL◷	38	$96.47	$3.7K	-0.2%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷	3,326	$30.78	$102.4K	+19.1%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷	1,663	$17.12	$28.5K	+10.6%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷	3,969	$11.55	$45.8K	+33.8%	Open the original filing on SEC.gov
Sep 8	Lynch Thomas P.	See Remarks	MEXER◷	11,042	$8.65	$95.5K	+1,577%	Open the original filing on SEC.gov
Sep 8	Tsao David	Chief Technology Officer	GGIFT	20,000	—	—	-95.2%	Open the original filing on SEC.gov
Sep 3	Tsao David	Chief Technology Officer	CCONV◆	20,000	—	—	—	Open the original filing on SEC.gov
Sep 3	Tsao David	Chief Technology Officer	CCONV	20,000	—	—	+2,000%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	5,644	—	—	+10.8%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	15,244	—	—	+41.3%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	1,666	—	—	+4.7%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	5,761	—	—	+19.5%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	719	—	—	+50.0%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	719	—	—	+50.0%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	10,921	—	—	-12.5%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	38,106	—	—	-100.0%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	38,106	—	—	—	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	271,028	—	—	-12.5%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	2,405	—	—	-100.0%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	2,405	—	—	—	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	24,222	—	—	-12.5%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	7,980	—	—	-100.0%	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	7,980	—	—	—	Open the original filing on SEC.gov
Aug 26	Kolluri Krishna Kittu	Director	JOTHER	129,780	—	—	-12.5%	Open the original filing on SEC.gov
Aug 25	ten Bosch John Roderick	SVP of Laboratory…	SSELL◷	1,417	$100.00	$141.7K	-5.1%	Open the original filing on SEC.gov
Aug 25	Tsao David	Chief Technology Officer	MEXER◷◆	10,000	$2.80	$28K	—	Open the original filing on SEC.gov
Aug 25	Tsao David	Chief Technology Officer	SSELL◷	10,000	$100.00	$1M	-90.9%	Open the original filing on SEC.gov
Aug 25	Tsao David	Chief Technology Officer	MEXER◷	10,000	$2.80	$28K	+1,000%	Open the original filing on SEC.gov
Aug 10	Tsao David	Chief Technology Officer	MEXER◷◆	10,000	$2.80	$28K	—	Open the original filing on SEC.gov
Aug 10	Tsao David	Chief Technology Officer	SSELL◷	10,000	$92.86	$928.6K	-90.9%	Open the original filing on SEC.gov
Aug 10	Tsao David	Chief Technology Officer	MEXER◷	10,000	$2.80	$28K	+1,000%	Open the original filing on SEC.gov
Aug 10	ten Bosch John Roderick	SVP of Laboratory…	SSELL◷	1,417	$92.86	$131.6K	-4.8%	Open the original filing on SEC.gov
Aug 5	Atay Oguzhan	Chairman and CEO	MEXER◷◆	15,539	$2.80	$43.5K	—	Open the original filing on SEC.gov
Aug 5	Atay Oguzhan	Chairman and CEO	SSELL◷	15,539	$150.03	$2.3M	-100.0%	Open the original filing on SEC.gov
Aug 5	Atay Oguzhan	Chairman and CEO	MEXER◷	15,539	$2.80	$43.5K	—	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	MEXER◷◆	6,250	$2.80	$17.5K	—	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	MEXER◷◆	6,250	$2.80	$17.5K	—	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	MEXER◷◆	20,000	$2.80	$56K	—	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	6,250	$137.37	$858.6K	-3.7%	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	6,250	$137.37	$858.6K	-3.6%	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	82	$139.20	$11.4K	-100.0%	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	760	$138.09	$104.9K	-90.3%	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	3,125	$137.25	$428.9K	-78.8%	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	1,983	$136.42	$270.5K	-33.3%	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	43	$135.41	$5.8K	-0.7%	Open the original filing on SEC.gov
Aug 3	Atay Oguzhan	Chairman and CEO	SSELL◷	173	$133.81	$23.1K	-2.8%	Open the original filing on SEC.gov

SSELL◷$151K

ten Bosch John Roderick · SVP of Laboratory…Sep 21

1,416 sh @ $106.61 · -5.7% own

MEXER◷◆$179.8K

Lynch Thomas P. · See RemarksSep 17

5,840 sh @ $30.78

MEXER◷◆$50K

Lynch Thomas P. · See RemarksSep 17

2,920 sh @ $17.12

MEXER◷◆$80.5K

Lynch Thomas P. · See RemarksSep 17

6,968 sh @ $11.55

MEXER◷◆$167.7K

Lynch Thomas P. · See RemarksSep 17

19,384 sh @ $8.65

SSELL◷$644.1K

Lynch Thomas P. · See RemarksSep 17

5,840 sh @ $110.29 · -89.3% own

SSELL◷$322.1K

Lynch Thomas P. · See RemarksSep 17

2,920 sh @ $110.31 · -30.9% own

SSELL◷$768.6K

Lynch Thomas P. · See RemarksSep 17

6,968 sh @ $110.30 · -42.4% own

SSELL◷$2.1M

Lynch Thomas P. · See RemarksSep 17

19,384 sh @ $110.36 · -54.1% own

MEXER◷$179.8K

Lynch Thomas P. · See RemarksSep 17

5,840 sh @ $30.78 · +19.5% own

MEXER◷$50K

Lynch Thomas P. · See RemarksSep 17

2,920 sh @ $17.12 · +10.8% own

MEXER◷$80.5K

Lynch Thomas P. · See RemarksSep 17

6,968 sh @ $11.55 · +34.7% own

MEXER◷$167.7K

Lynch Thomas P. · See RemarksSep 17

19,384 sh @ $8.65 · +2,769% own

MEXER◷◆$23.3K

Atay Oguzhan · Chairman and CEOSep 14

8,333 sh @ $2.80

MEXER◷◆$46.7K

Atay Oguzhan · Chairman and CEOSep 14

16,666 sh @ $2.80

SSELL◷$261.3K

Atay Oguzhan · Chairman and CEOSep 14

2,666 sh @ $98.00 · -1.7% own

SSELL◷$261.3K

Atay Oguzhan · Chairman and CEOSep 14

2,666 sh @ $98.00 · -1.6% own

SSELL◷$319K

Atay Oguzhan · Chairman and CEOSep 14

3,143 sh @ $101.49 · -100.0% own

SSELL◷$202.6K

Atay Oguzhan · Chairman and CEOSep 14

2,010 sh @ $100.78 · -39.0% own

SSELL◷$149.4K

Atay Oguzhan · Chairman and CEOSep 14

1,500 sh @ $99.57 · -22.6% own

SSELL◷$165.7K

Atay Oguzhan · Chairman and CEOSep 14

1,680 sh @ $98.64 · -20.2% own

SSELL◷$731.8K

Atay Oguzhan · Chairman and CEOSep 14

7,214 sh @ $101.44 · -46.4% own

SSELL◷$254.6K

Atay Oguzhan · Chairman and CEOSep 14

2,531 sh @ $100.58 · -14.0% own

SSELL◷$244.5K

Atay Oguzhan · Chairman and CEOSep 14

2,456 sh @ $99.57 · -12.0% own

SSELL◷$440.4K

Atay Oguzhan · Chairman and CEOSep 14

4,465 sh @ $98.63 · -17.9% own

MEXER◷$23.3K

Atay Oguzhan · Chairman and CEOSep 14

8,333 sh @ $2.80 · +50.0% own

MEXER◷$46.7K

Atay Oguzhan · Chairman and CEOSep 14

16,666 sh @ $2.80

GGIFT—

Sakakibara Shan Riku · Chief Product…Sep 10

3,500 sh · -1.8% own

MEXER◷◆$28K