David M Stack Net Worth - Insider Trades and Bio as of Jun 12, 2026

PCRXPacira BioSciences, Inc.SEC CIK: 0001204788

Estimated Net Worth

$46.7 Million

Last Updated: May 19, 2026 01:41 AM EST

Transaction Summary

Total Transactions164

Buy-Sell Ratio0.06

Buy Transactions6

Sell Transactions94

Transaction Volume

Total Volume-$49.79M

Net Volume$50.47M

Buy Volume$339.49K

Sell Volume-$50.13M

Trade Analysis

AVG Trade Size-$293.92K

Largest Trade$243.22K

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

David M Stack has an estimated net worth of $46.7 Million. This is based on reported shares across multiple companies, which include AMARIN CORP PLC\UK, Molecular Insight Pharmaceuticals, Inc., Pacira Pharmaceuticals, Inc., BIOCLINICA INC, CHIASMA, INC, and MEDICINES CO /DE.

2019 was David M Stack's most active year for acquiring shares with 18 total transactions. David M Stack's most active month to acquire stocks was the month of May. 2004 was David M Stack's most active year for disposing of shares, totalling 81 transactions. David M Stack's most active month to dispose stocks was the month of July. 2020 saw David M Stack paying a total of $1,094,089.44 for 509,152 shares, this is the most they've acquired in one year. In 2015 David M Stack cashed out on 140,000 shares for a total of $5,305,565.22, their largest year based on trade value.

Holdings & Transactions

PCRXpacira biosciences, inc.

CEO and Chairman Director

Updated: Jun 16, 2023VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	1.81	278.10K	—	—	Jun 16, 2023	548.07K	Grant	—	Jun 14	View
From 4	-0.06	10.38K	$38.41	-$398.89K	Jun 07, 2023	269.97K	Sale	—	Jun 06 - 07	View
From 4	0.93	156.61K	$60.56	-$1.56M	Jun 08, 2022	440.84K	Grant	Scheduled	Jun 06 - 08	View
From 4	—	—	$10.81	$243.23K	May 02, 2022	284.23K	Options	Scheduled	Apr 28	View
From 4	—	—	$10.81	$243.23K	Apr 05, 2022	284.23K	Options	Scheduled	Mar 31	View
From 4	—	—	$10.81	$147.77K	Jan 27, 2022	284.23K	Options	—	Jan 25	View
From 4	—	—	$10.81	$162.15K	Jan 13, 2022	284.23K	Options	—	Jan 11	View
From 4	—	—	$10.81	$162.15K	Nov 18, 2021	283.94K	Options	—	Nov 16	View
From 4	2.47	151.20K	—	—	Jun 11, 2021	328.54K	Grant	—	Jun 09	View
From 4	-0.20	14.90K	$61.04	-$909.76K	Jun 08, 2021	177.34K	Sale	—	Jun 04	View
From 4	-0.14	43.58K	$36.13	-$2.15M	May 13, 2021	280.92K	Sale	Scheduled	Mar 24 - 12	View
From 4	-0.17	42.50K	$40.56	-$2.53M	Feb 04, 2021	324.50K	Sale	Scheduled	Feb 02 - 03	View
From 4	-0.21	90.00K	$33.09	-$4.01M	Oct 16, 2020	366.85K	Sale	Scheduled	Oct 14 - 16	View
From 4	-0.08	15.00K	$61.91	-$928.62K	Aug 19, 2020	193.18K	Sale	Scheduled	Aug 17	View
From 4	-0.06	12.00K	$56.88	-$682.56K	Jul 17, 2020	208.18K	Sale	Scheduled	Jul 15	View
From 4	1.85	308.30K	—	—	Jun 11, 2020	495.01K	Grant	—	Jun 09	View
From 4	-0.16	31.43K	$47.31	-$1.49M	Jun 08, 2020	186.71K	Sale	—	Jun 04 - 08	View
From 4	—	—	$3.38	$121.19K	Feb 25, 2020	218.14K	Options	—	Feb 21	View
From 4	-0.09	25.00K	$26.75	-$796.72K	Jan 17, 2020	425.41K	Sale	Scheduled	Jan 15	View
From 4	—	—	$3.55	$71.00K	Dec 30, 2019	217.96K	Options	—	Dec 26	View
From 4	-0.14	70.00K	$26.81	-$2.73M	Nov 19, 2019	450.77K	Sale	Scheduled	Nov 15	View
From 4	—	—	$3.89	$66.17K	Oct 04, 2019	262.96K	Options	—	Oct 02	View
From 4	—	—	$3.41	$47.76K	Sep 20, 2019	262.96K	Options	—	Sep 18	View
From 4	-0.08	12.85K	$24.98	-$364.19K	Aug 16, 2019	176.10K	Sale	Scheduled	Aug 15	View
From 4	-0.08	13.12K	$42.88	-$562.38K	Jul 10, 2019	176.10K	Sale	Scheduled	Jul 08	View
From 4	—	—	$3.07	$73.56K	Jun 13, 2019	275.89K	Options	—	Jun 11	View
From 4	1.15	153.41K	$42.91	-$531.44K	Jun 06, 2019	307.14K	Grant	—	Jun 04 - 05	View
From 4	—	—	$3.55	$42.60K	Dec 20, 2018	264.34K	Options	—	Dec 18	View
From 4	-0.11	15.00K	$47.39	-$710.80K	Nov 19, 2018	141.49K	Sale	Scheduled	Nov 15	View
From 4	—	—	$2.90	$130.65K	Oct 15, 2018	279.34K	Options	—	Oct 11	View
From 4	-0.27	33.06K	$28.95	-$1.42M	Aug 16, 2018	111.49K	Sale	Scheduled	Aug 15	View
From 4	2.42	198.63K	—	—	Jun 15, 2018	300.47K	Grant	—	Jun 13	View
From 4	-0.18	18.41K	$36.28	-$667.76K	Jun 08, 2018	101.84K	Sale	Scheduled	Jun 06 - 07	View
From 4	-0.18	25.00K	$20.71	-$654.33K	May 17, 2018	134.34K	Sale	Scheduled	May 15	View
From 4	-0.14	28.89K	$20.90	-$1.11M	Jan 12, 2018	203.44K	Sale	Scheduled	Jan 10	View
From 4	-0.22	58.88K	$19.98	-$2.21M	Nov 17, 2017	232.16K	Sale	Scheduled	Nov 15	View
From 4	-0.17	28.89K	$18.99	-$1.00M	Aug 17, 2017	161.89K	Sale	Scheduled	Aug 15	View
From 4	—	—	$1.61	$24.15K	Jul 26, 2017	291.04K	Options	—	Jul 24	View
From 4	—	—	$1.61	$24.15K	Jun 27, 2017	290.82K	Options	—	Jun 23	View
From 4	2.04	121.50K	—	—	Jun 16, 2017	200.86K	Grant	—	Jun 14	View
From 4	-0.07	4.31K	$43.32	-$186.76K	Jun 07, 2017	79.36K	Sale	—	Jun 05	View
From 4	-0.16	15.00K	$21.95	-$493.77K	Jan 19, 2017	99.28K	Sale	Scheduled	Jan 17	View
From 4	—	60.00K	—	—	Dec 09, 2016	60.00K	Grant	—	Dec 07	View
From 4	-0.14	15.00K	$21.39	-$476.79K	Nov 17, 2016	114.05K	Sale	Scheduled	Nov 15	View
From 4	—	—	$1.61	$48.30K	Oct 07, 2016	124.14K	Options	Scheduled	Oct 05	View
From 4	-0.16	15.00K	$25.41	-$597.45K	Aug 17, 2016	99.05K	Sale	Scheduled	Aug 15	View
From 4	348.68	99.38K	—	—	Jun 17, 2016	119.46K	Grant	—	Jun 15	View
From 4	-0.29	25.00K	$34.82	-$1.47M	Apr 19, 2016	80.70K	Sale	Scheduled	Apr 15	View
From 4	-0.17	15.00K	$32.73	-$933.44K	Jan 19, 2016	90.78K	Sale	Scheduled	Jan 15	View
From 4	-0.15	15.00K	$19.59	-$539.41K	Oct 19, 2015	105.68K	Sale	Scheduled	Oct 15	View
From 4	-0.13	15.00K	$34.70	-$992.55K	Jul 17, 2015	120.68K	Sale	Scheduled	Jul 15	View
From 4	-0.18	25.00K	$46.06	-$2.22M	Apr 17, 2015	135.56K	Sale	Scheduled	Apr 15	View
From 4	-0.10	15.00K	$49.57	-$1.44M	Jan 20, 2015	160.56K	Sale	Scheduled	Jan 15	View
From 4	-0.02	15.00K	$50.55	-$1.47M	Oct 17, 2014	690.76K	Sale	Scheduled	Sep 09 - 15	View
From 4	-0.09	15.00K	$44.18	-$1.28M	Jul 16, 2014	175.50K	Sale	Scheduled	Jul 15	View
From 4	—	150.00K	—	—	Jun 05, 2014	150.00K	Grant	—	Jun 03	View
From 4	-0.13	25.00K	$37.78	-$1.81M	May 09, 2014	190.50K	Sale	Scheduled	May 09	View
From 4	0.22	221.00	—	—	Mar 13, 2014	19.80K	Acquisition	—	Mar 11	View
From 4	-0.07	15.00K	$28.73	-$813.41K	Jan 02, 2014	217.28K	Sale	Scheduled	Dec 30	View
From 4	0.16	414.00	—	—	Nov 20, 2013	21.58K	Acquisition	—	Nov 18	View
From 4	-0.07	15.00K	$24.33	-$681.59K	Oct 02, 2013	231.86K	Sale	Scheduled	Sep 30	View
From 4	-0.06	15.00K	$15.17	-$406.82K	Jul 02, 2013	246.86K	Sale	Scheduled	Jun 28	View
From 4	-0.06	15.00K	$15.14	-$405.75K	Apr 01, 2013	261.86K	Sale	Scheduled	Mar 28	View
From 4	0.29	573.00	—	—	Mar 25, 2013	21.17K	Acquisition	—	Mar 18	View
From 4	—	350.00K	—	—	Jun 07, 2012	350.00K	Grant	—	Jun 05	View
From 4	0.27	5.00K	$6.60	$33.00K	Feb 11, 2011	23.60K	Purchase	—	Feb 10	View
From 3	—	—	—	—	Feb 02, 2011	18.60K	—	—	—	View

AMRNamarin corp plc\uk

Updated: Jun 16, 2021VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	81.95K	—	—	Jun 16, 2021	81.95K	Grant	—	Jun 14	View
From 4	0.60	15.00K	$4.56	$68.47K	Jun 07, 2021	40.00K	Purchase	—	Jun 03 - 04	View
From 4	—	25.00K	$4.86	$121.52K	Dec 02, 2020	25.00K	Purchase	—	Nov 30	View
From 4	—	62.00K	—	—	Jul 15, 2020	62.00K	Grant	—	Jul 13	View
From 4	-1.00	51.99K	$12.31	-$1.04M	Jul 12, 2019	—	Sale	Scheduled	Jul 11	View
From 4	-1.00	33.80K	$10.83	-$515.04K	May 31, 2019	—	Sale	Scheduled	May 29	View
From 4	0.08	3.91K	$10.61	-$194.85K	May 21, 2019	50.89K	Sell-Options	Scheduled	May 17 - 20	View
From 4	-0.92	125.50K	$11.20	-$1.60M	Jan 11, 2019	11.57K	Sale	Scheduled	Jan 10	View
From 4	—	78.13K	—	—	Oct 02, 2018	78.13K	Grant	—	May 14	View
From 4	—	35.85K	—	—	May 17, 2017	35.85K	Grant	—	May 15	View
From 4	—	49.40K	—	—	Jul 13, 2016	49.40K	Grant	—	Jul 11	View
From 4	—	99.00K	—	—	Jul 08, 2015	99.00K	Grant	—	Jul 06	View
From 4	—	52.50K	—	—	Mar 13, 2014	52.50K	Grant	—	Mar 11	View
From 4	—	22.50K	—	—	Jul 11, 2013	22.50K	Grant	—	Jul 09	View
From 4	—	45.00K	—	—	Dec 12, 2012	45.00K	Grant	—	Dec 10	View
From 3	—	—	—	—	Dec 12, 2012	—	—	—	—	View

chiasma, inc

Updated: Aug 05, 2021

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	251.64K	—	—	Aug 05, 2021	—	Disposition	—	Aug 05	View
From 4	—	25.00K	$4.27	$106.86K	Dec 01, 2020	25.00K	Purchase	—	Nov 30	View
From 4	—	13.00K	—	—	Jun 12, 2020	13.00K	Grant	—	Jun 11	View
From 4	—	13.00K	—	—	Jun 17, 2019	13.00K	Grant	—	Jun 13	View
From 4	—	13.00K	—	—	Jun 11, 2018	13.00K	Grant	—	Jun 07	View
From 4	—	13.00K	—	—	Jun 19, 2017	13.00K	Grant	—	Jun 15	View
From 4	—	10.00K	—	—	Jun 13, 2016	10.00K	Grant	—	Jun 09	View
From 3	—	—	—	—	Jul 15, 2015	—	—	—	—	View

molecular insight pharmaceuticals, inc.

Updated: May 17, 2010

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.50	25.00K	—	—	May 17, 2010	25.00K	Grant	—	May 13	View
From 4	—	25.00K	—	—	May 14, 2009	25.00K	Grant	—	May 12	View
From 4	—	25.00K	—	—	May 15, 2008	25.00K	Grant	—	May 13	View
From 4	—	25.00K	—	—	Jun 28, 2007	25.00K	Grant	—	Jun 26	View
From 3	—	—	—	—	Feb 01, 2007	—	—	—	—	View

bioclinica inc

Updated: Nov 19, 2010

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	—	—	—	Nov 19, 2010	46.50K	Acq/Dis	—	Nov 17	View
From 4	0.44	10.00K	—	—	May 13, 2010	32.50K	Grant	—	May 12	View
From 4	0.80	10.00K	—	—	Jul 09, 2009	22.50K	Grant	—	Jul 08	View
From 4	0.09	1.50K	$3.43	$5.15K	Mar 17, 2009	19.00K	Purchase	—	Mar 16	View
From 4	0.09	1.50K	$3.00	$4.50K	Mar 11, 2009	17.50K	Purchase	—	Mar 09	View
From 4	-0.01	940.00	$7.37	-$3.46K	Aug 13, 2008	87.25K	Sale	Scheduled	Aug 11	View
From 4	-0.06	5.50K	$6.82	-$20.46K	Jul 14, 2008	87.72K	Sale	Scheduled	Jul 10	View
From 4	-0.05	4.50K	$6.83	-$20.49K	Jun 11, 2008	90.72K	Sale	Scheduled	Jun 10	View
From 4	1.50	7.50K	—	—	May 16, 2008	12.50K	Grant	—	May 14	View
From 4	-0.05	4.50K	$7.65	-$22.95K	May 14, 2008	93.72K	Sale	Scheduled	May 12	View
From 4	-0.04	4.50K	$6.78	-$20.34K	Apr 14, 2008	96.72K	Sale	Scheduled	Apr 10	View
From 4	-0.04	4.50K	$6.88	-$20.64K	Mar 12, 2008	99.72K	Sale	Scheduled	Mar 10	View
From 4	-0.04	4.50K	$6.91	-$20.73K	Feb 13, 2008	102.72K	Sale	Scheduled	Feb 11	View
From 4	-0.04	4.50K	$8.02	-$24.06K	Jan 11, 2008	105.72K	Sale	Scheduled	Jan 10	View
From 4	-0.04	4.50K	$8.30	-$24.90K	Dec 11, 2007	108.72K	Sale	Scheduled	Dec 10	View
From 4	-0.04	4.50K	$8.95	-$26.85K	Nov 13, 2007	111.72K	Sale	Scheduled	Nov 12	View
From 4	-0.02	4.50K	$6.93	-$20.77K	Oct 11, 2007	200.97K	Sale	Scheduled	Oct 10	View
From 4	-0.04	4.50K	$6.64	-$19.93K	Sep 11, 2007	117.72K	Sale	Scheduled	Sep 10	View
From 4	-0.02	4.50K	$6.69	-$20.07K	Aug 13, 2007	210.04K	Sale	Scheduled	Aug 10	View
From 4	-0.04	4.50K	$7.01	-$21.02K	Jul 11, 2007	123.72K	Sale	Scheduled	Jul 10	View
From 4	-0.03	4.50K	$6.97	-$20.90K	Jun 11, 2007	126.72K	Sale	Scheduled	Jun 11	View
From 4	-0.03	4.50K	$5.93	-$17.79K	May 11, 2007	129.72K	Sale	Scheduled	May 10	View
From 4	—	5.00K	—	—	May 11, 2007	5.00K	Grant	—	May 09	View
From 4	-0.03	4.50K	$6.44	-$19.32K	Apr 11, 2007	132.72K	Sale	Scheduled	Apr 10	View
From 4	-0.09	3.65K	$6.24	-$22.78K	Apr 04, 2007	39.00K	Sale	Scheduled	Apr 02	View
From 4	-0.03	4.50K	$7.24	-$21.72K	Mar 13, 2007	139.37K	Sale	Scheduled	Mar 12	View
From 4	-0.09	4.25K	$8.11	-$34.47K	Mar 05, 2007	44.15K	Sale	Scheduled	Mar 01	View
From 4	-0.03	4.50K	$7.90	-$23.70K	Feb 14, 2007	146.62K	Sale	Scheduled	Feb 12	View
From 4	-0.08	4.25K	$7.22	-$30.70K	Feb 05, 2007	49.90K	Sale	Scheduled	Feb 01	View
From 4	-0.03	4.50K	$9.06	-$27.18K	Jan 11, 2007	153.87K	Sale	Scheduled	Jan 10	View
From 4	-0.07	4.25K	$8.15	-$34.64K	Jan 04, 2007	59.65K	Sale	Scheduled	Jan 03	View
From 4	-0.06	4.25K	$6.98	-$29.65K	Dec 01, 2006	63.90K	Sale	Scheduled	Dec 01	View
From 4	-0.03	4.00K	$6.18	-$24.72K	Nov 21, 2006	128.30K	Grant	—	Nov 17 - 20	View
From 4	-0.06	4.25K	$5.00	-$21.25K	Nov 08, 2006	68.15K	Sale	Scheduled	Nov 07	View
From 4	-0.08	6.45K	$5.00	-$32.25K	Nov 01, 2006	72.40K	Sale	Scheduled	Oct 30	View
From 4/A	0.11	10.00K	—	—	May 31, 2006	101.22K	Grant	—	May 10	View
From 4	0.11	10.00K	—	—	May 12, 2006	101.22K	Grant	—	May 10	View
From 4	0.12	10.00K	—	—	May 13, 2005	91.22K	Grant	—	May 11	View
From 4	-0.08	6.75K	$5.00	-$33.75K	Feb 02, 2005	78.85K	Sale	Scheduled	Feb 01	View
From 4	-0.07	6.75K	$5.29	-$35.72K	Jan 04, 2005	85.60K	Sale	Scheduled	Jan 03	View
From 4	-0.07	6.75K	$5.00	-$33.75K	Dec 27, 2004	92.35K	Sale	Scheduled	Dec 22	View
From 4	-0.00	100.00	$5.00	-$500.00	Oct 05, 2004	99.10K	Sale	Scheduled	Oct 04	View
From 4	-0.00	200.00	$5.00	-$1.00K	Sep 21, 2004	99.20K	Sale	Scheduled	Sep 20	View
From 4	-0.01	600.00	$5.00	-$3.00K	Sep 20, 2004	99.40K	Sale	Scheduled	Sep 17	View
From 4	-0.06	6.75K	$5.39	-$36.37K	Jun 03, 2004	100.00K	Sale	Scheduled	Jun 01	View
From 4	0.23	15.00K	—	—	May 25, 2004	81.22K	Grant	—	May 21	View
From 4	-0.06	6.75K	$5.86	-$39.56K	May 05, 2004	106.75K	Sale	Scheduled	May 03	View
From 4	-0.06	6.75K	$5.85	-$39.48K	Apr 05, 2004	113.50K	Sale	Scheduled	Apr 01	View
From 4	-0.05	6.75K	$6.58	-$44.44K	Mar 03, 2004	120.25K	Sale	Scheduled	Mar 01	View
From 4	-0.05	6.75K	$7.04	-$47.53K	Feb 04, 2004	127.00K	Sale	Scheduled	Feb 02	View
From 4	-0.05	6.75K	$6.86	-$46.33K	Jan 14, 2004	133.75K	Sale	Scheduled	Jan 12	View
From 4	—	—	—	—	May 30, 2003	—	—	—	—	View

medicines co /de

Updated: Aug 03, 2004

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.07	7.00K	$15.44	-$148.96K	Aug 03, 2004	90.10K	Sale	Scheduled	Aug 02	View
From 4	-0.09	7.00K	$17.62	-$179.23K	Jul 06, 2004	75.10K	Sale	Scheduled	Jul 01	View
From 4	-0.07	7.00K	$18.47	-$191.46K	Jun 03, 2004	86.50K	Sale	Scheduled	Jun 01	View
From 4	-0.06	7.00K	$18.67	-$194.20K	May 04, 2004	102.30K	Sale	Scheduled	May 03	View
From 4	-0.07	7.00K	$18.75	-$196.27K	Apr 01, 2004	96.10K	Sale	Scheduled	Apr 01	View
From 4	-0.06	7.00K	$16.01	-$157.15K	Mar 03, 2004	111.90K	Sale	Scheduled	Mar 01	View
From 4	-0.06	7.00K	$17.65	-$179.60K	Feb 04, 2004	110.10K	Sale	Scheduled	Feb 02	View
From 4	-0.06	7.00K	$16.83	-$179.31K	Jan 06, 2004	108.30K	Sale	Scheduled	Jan 02	View
From 4	—	65.00K	—	—	Dec 24, 2003	65.00K	Grant	—	Dec 23	View
From 4	-0.15	7.60K	$15.39	-$116.98K	Dec 03, 2003	42.10K	Sale	Scheduled	Dec 01	View
From 4	-0.06	7.00K	$15.85	-$154.86K	Nov 04, 2003	106.80K	Sale	Scheduled	Nov 03	View
From 4	-0.04	7.00K	$15.18	-$144.34K	Oct 02, 2003	153.80K	Sale	Scheduled	Oct 01	View
From 4	-0.05	7.00K	$16.82	-$168.41K	Sep 03, 2003	135.80K	Sale	Scheduled	Sep 02	View
From 4	-0.05	7.00K	$15.87	-$155.11K	Aug 04, 2003	122.80K	Sale	Scheduled	Aug 01	View
From 4	—	—	—	—	Jul 01, 2003	—	—	Scheduled	—	View
From 4	—	—	—	—	Jun 02, 2003	—	—	Scheduled	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions