Christopher J Twomey Net Worth - Insider Trades and Bio as of Jun 20, 2026

BNGOBionano Genomics, Inc.SEC CIK: 0001238935

Estimated Net Worth

$26 Million

Last Updated: May 19, 2026 11:11 PM EST

Transaction Summary

Total Transactions76

Buy-Sell Ratio0.12

Buy Transactions2

Sell Transactions17

Transaction Volume

Total Volume-$31.30M

Net Volume$31.72M

Buy Volume$211.25K

Sell Volume-$31.51M

Trade Analysis

AVG Trade Size-$641.65K

Largest Trade$491.50K

Most Active MonthJun

Most Active Year2007

Trading Sentiment

OverallBullish

Recent TradeNeutral

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Christopher J Twomey has an estimated net worth of $26 Million. This is based on reported shares across multiple companies, which include Bionano Genomics, Inc., TANDEM DIABETES CARE INC, SENOMYX INC, CADENCE PHARMACEUTICALS INC, and BIOSITE INC.

2007 was Christopher J Twomey's most active year for acquiring shares with 33 total transactions. Christopher J Twomey's most active month to acquire stocks was the month of May. 2007 was Christopher J Twomey's most active year for disposing of shares, totalling 73 transactions. Christopher J Twomey's most active month to dispose stocks was the month of May. 2007 saw Christopher J Twomey paying a total of $8,506,257.56 for 239,503 shares, this is the most they've acquired in one year. In 2007 Christopher J Twomey cashed out on 540,314 shares for a total of $45,703,089.70, their largest year based on trade value.

Holdings & Transactions

BNGObionano genomics, inc.

Updated: May 14, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	9.15K	—	—	May 14, 2026	9.15K	Grant	—	May 14	View
From 4	—	2.77K	—	—	Jun 12, 2025	2.78K	Grant	—	Jun 11	View
From 4	—	30.00K	—	—	Jun 20, 2024	30.00K	Grant	—	Jun 18	View
From 4	—	250.00K	—	—	Jun 16, 2023	250.00K	Grant	—	Jun 14	View
From 4/A	—	44.47K	—	—	Jul 18, 2022	44.47K	Grant	—	Jun 30	View
From 4	—	164.42K	—	—	Jun 13, 2022	164.42K	Grant	—	Jun 09	View
From 4	—	40.75K	—	—	Aug 19, 2021	40.75K	Grant	—	Aug 17	View
From 4	—	7.53K	—	—	Jun 14, 2021	7.53K	Grant	—	Jun 10	View
From 4	—	44.47K	—	—	Jul 02, 2020	44.47K	Grant	—	Jun 30	View
From 4	4.62	90.00K	$0.17	$14.85K	Apr 07, 2020	109.50K	Grant	—	Apr 06	View
From 4	1.90	19.00K	$0.43	$8.17K	Oct 25, 2019	29.00K	Grant	—	Oct 23	View
From 4	—	21.91K	—	—	Jun 10, 2019	21.91K	Grant	—	Jun 06	View
From 4	—	10.52K	—	—	Oct 03, 2018	10.52K	Grant	—	Oct 01	View
From 4	—	20.00K	$6.13	$61.25K	Aug 27, 2018	20.00K	Purchase	—	Aug 23	View
From 3	—	—	—	—	Aug 21, 2018	—	—	—	—	View

TNDMtandem diabetes care inc

Updated: May 23, 2025VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.56	8.76K	$20.64	$90.55K	May 23, 2025	37.11K	Options	—	May 21 - 22	View
From 4	0.39	4.39K	$51.73	$229.37K	May 24, 2024	28.36K	Options	—	May 22 - 24	View
From 4	0.65	4.43K	—	—	May 26, 2023	23.97K	Options	—	May 24 - 25	View
From 4	—	2.76K	—	—	May 27, 2022	19.53K	Grant	—	May 25	View
From 4	—	4.41K	—	—	May 19, 2022	16.78K	Options	—	May 18	View
From 4	0.04	498.00	$83.23	$27.29K	May 10, 2022	14.57K	Sell-Options	—	May 05	View
From 4	-0.36	2.80K	$128.43	-$360.10K	Sep 09, 2021	14.45K	Sale	Scheduled	Sep 07 - 08	View
From 4	-0.36	8.70K	$115.01	-$1.00M	Sep 03, 2021	17.25K	Sale	Scheduled	Sep 02	View
From 4	-0.30	10.50K	$104.98	-$1.10M	Jul 30, 2021	25.95K	Sale	Scheduled	Jul 29	View
From 4	—	—	—	—	Jun 01, 2021	36.45K	Options	—	May 27	View
From 4	0.08	2.58K	$77.56	$23.83K	May 20, 2021	36.76K	Sell-Options	—	May 18 - 19	View
From 4	-0.23	10.50K	$94.78	-$994.15K	Apr 23, 2021	34.50K	Sale	Scheduled	Apr 21 - 22	View
From 4	-0.18	10.00K	$109.44	-$1.09M	Aug 04, 2020	45.00K	Sale	Scheduled	Jul 31	View
From 4	-0.15	10.00K	$100.35	-$1.01M	Jul 07, 2020	55.00K	Sale	Scheduled	Jul 02	View
From 4	—	1.89K	—	—	May 29, 2020	1.89K	Grant	—	May 27	View
From 4	-0.13	10.00K	$89.78	-$896.70K	May 08, 2020	65.00K	Sale	Scheduled	May 07	View
From 4	-0.05	4.31K	$80.00	-$344.64K	May 04, 2020	75.00K	Sale	Scheduled	Apr 30	View
From 4	—	3.73K	—	—	Jun 20, 2019	3.73K	Grant	—	Jun 18	View
From 4	—	25.00K	—	—	Nov 19, 2018	25.00K	Grant	—	Nov 15	View
From 4	17.41	75.00K	$2.00	$150.00K	Feb 13, 2018	79.31K	Purchase	—	Feb 09	View
From 4	—	5.30K	—	—	Dec 05, 2017	5.30K	Grant	—	Dec 01	View
From 4	—	1.70K	—	—	Nov 17, 2017	1.70K	Grant	—	Nov 15	View
From 4	—	17.00K	—	—	Nov 16, 2016	17.00K	Grant	—	Nov 15	View
From 4	—	17.00K	—	—	Nov 17, 2015	17.00K	Grant	—	Nov 16	View
From 4	—	17.00K	—	—	Nov 19, 2014	17.00K	Grant	—	Nov 17	View
From 4	-0.40	29.10K	—	—	Nov 21, 2013	43.07K	Options	—	Nov 19	View
From 4	—	21.00K	—	—	Nov 14, 2013	21.00K	Grant	—	Nov 13	View
From 3	—	—	—	—	Nov 13, 2013	—	—	—	—	View

senomyx inc

Updated: Nov 02, 2018

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	40.00K	—	—	Nov 02, 2018	—	Disposition	—	Nov 02	View
From 4	—	20.00K	—	—	May 25, 2018	20.00K	Grant	—	May 24	View
From 4	—	20.00K	—	—	May 22, 2017	20.00K	Grant	—	May 11	View
From 4	—	20.00K	—	—	May 24, 2016	20.00K	Grant	—	May 20	View
From 4	—	20.00K	—	—	May 22, 2015	20.00K	Grant	—	May 20	View
From 4	—	20.00K	—	—	May 30, 2014	20.00K	Grant	—	May 29	View
From 4	—	15.00K	—	—	Jun 14, 2013	15.00K	Grant	—	Jun 13	View
From 4	—	15.00K	—	—	Jun 08, 2012	15.00K	Grant	—	Jun 07	View
From 4	—	15.00K	—	—	May 26, 2011	15.00K	Grant	—	May 26	View
From 4	—	15.00K	—	—	Jun 04, 2010	15.00K	Grant	—	Jun 03	View
From 4	—	15.00K	—	—	Jun 05, 2009	15.00K	Grant	—	Jun 04	View
From 4	—	11.30K	—	—	Feb 17, 2009	11.30K	Grant	—	Feb 16	View
From 4	—	3.00K	—	—	Aug 19, 2008	3.00K	Grant	—	Aug 15	View
From 4	—	12.00K	—	—	May 29, 2008	12.00K	Grant	—	May 28	View
From 4	—	12.00K	—	—	Jun 04, 2007	12.00K	Grant	—	May 31	View
From 4	—	1.91K	—	—	May 25, 2006	1.91K	Grant	—	May 24	View
From 4	—	28.60K	—	—	Mar 16, 2006	28.60K	Grant	—	Mar 14	View
From 3	—	—	—	—	Mar 16, 2006	—	—	—	—	View

biosite inc

Senior Vice President Finan Officer

Updated: Jun 29, 2007

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	27.71K	$92.50	-$19.42K	Jun 29, 2007	—	Disposition	—	Jun 29	View
From 4	-1.00	41.25K	$92.50	-$3.82M	Jun 26, 2007	—	Disposition	—	Jun 25	View
From 4	-0.13	3.00K	$82.13	-$399.70K	Jun 21, 2007	60.86K	Sale	—	Jun 20	View
From 4	-0.86	157.20K	$92.02	-$14.47M	Jun 07, 2007	66.43K	Options	—	Jun 07	View
From 4	—	—	$66.41	-$8.05M	Jun 07, 2007	946.00	Sale	—	Jun 07	View
From 4	-0.58	6.20K	$76.91	-$944.74K	Jun 06, 2007	44.85K	Sale	—	Jun 06	View
From 4	-0.40	7.10K	$76.92	-$1.08M	Jun 05, 2007	51.05K	Sale	—	Jun 05	View
From 4	-0.75	54.00K	$76.02	-$8.42M	Jun 04, 2007	58.39K	Sale	—	Jun 04	View
From 4	-0.29	16.35K	—	—	May 17, 2007	41.25K	Grant	—	May 16	View
From 4	—	35.00K	—	—	Jun 17, 2005	35.00K	Grant	—	Jun 17	View
From 4	-0.44	53.25K	$55.56	-$2.93M	Jan 31, 2005	68.56K	Sale	—	Jan 28	View
From 4	-0.20	14.75K	$34.17	-$2.94M	Jan 31, 2005	60.14K	Sale	—	Jan 28	View
From 4	—	10.00K	$49.15	$491.50K	Oct 25, 2004	10.00K	Grant	—	Oct 22	View
From 4	—	25.00K	—	—	Jun 18, 2004	25.00K	Grant	—	Jun 18	View

cadence pharmaceuticals inc

Updated: Oct 24, 2006

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 3	—	—	—	—	Oct 24, 2006	25.00K	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions