Gerald T Proehl Net Worth - Insider Trades and Bio as of Jun 23, 2026

TENXTENAX THERAPEUTICS, INC.SEC CIK: 0001279191

Estimated Net Worth

$30.2 Million

Last Updated: May 19, 2026 11:12 PM EST

Transaction Summary

Total Transactions83

Buy-Sell Ratio0.53

Buy Transactions10

Sell Transactions19

Transaction Volume

Total Volume-$10.80M

Net Volume$11.92M

Buy Volume$559.43K

Sell Volume-$11.36M

Trade Analysis

AVG Trade Size-$1.08M

Largest Trade$250.00K

Most Active MonthMar

Most Active Year2006

Trading Sentiment

OverallBullish

Recent TradeNeutral

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Gerald T Proehl has an estimated net worth of $30.2 Million. This is based on reported shares across multiple companies, which include SOPHIRIS BIO INC., Auspex Pharmaceuticals, Inc., RITTER PHARMACEUTICALS INC, TENAX THERAPEUTICS, INC., Dermata Therapeutics, Inc., SANTARUS INC, and DEPOMED INC.

2021 was Gerald T Proehl's most active year for acquiring shares with 14 total transactions. Gerald T Proehl's most active month to acquire stocks was the month of November. 2006 was Gerald T Proehl's most active year for disposing of shares, totalling 70 transactions. Gerald T Proehl's most active month to dispose stocks was the month of December. 2014 saw Gerald T Proehl paying a total of $1,063,480.67 for 269,601 shares, this is the most they've acquired in one year. In 2014 Gerald T Proehl cashed out on 3,218,161 shares for a total of $80,368,152.96, their largest year based on trade value.

Holdings & Transactions

TENXtenax therapeutics, inc.

Updated: Jan 13, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.11	3.00K	—	—	Jan 13, 2026	259.99K	Grant	—	Jan 09	View
From 4	—	80.00K	—	—	Jul 03, 2025	229.99K	Grant	—	Jul 01	View
From 4	—	100.00K	—	—	Dec 12, 2024	149.99K	Grant	—	Dec 10	View
From 4	49980.00	49.98K	—	—	Aug 08, 2024	49.99K	Purchase	—	Aug 08	View
From 4	—	5.00K	—	—	Jun 10, 2022	12.50K	Grant	—	Jun 09	View
From 4	—	5.00K	—	—	Jun 15, 2021	5.00K	Grant	—	Jun 10	View
From 4	—	500.00	—	—	May 15, 2020	500.00	Grant	—	May 01	View
From 4	—	500.00	—	—	Apr 18, 2019	500.00	Grant	—	May 01	View
From 4	—	29.88K	$1.67	$49.97K	Nov 29, 2016	29.88K	Purchase	—	Nov 22 - 23	View
From 3	—	—	—	—	Nov 29, 2016	—	—	—	—	View

DRMAdermata therapeutics, inc.

President, CEO and Chairman Director

Updated: Jan 06, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	37.50K	—	—	Jan 06, 2026	37.50K	Grant	—	Jan 02	View
From 4	—	2.00M	—	—	Dec 29, 2025	2.00M	Acq/Dis	—	Dec 23	View
From 4	130.08	1.57M	—	—	Jan 23, 2025	1.59M	Grant	—	Jan 21	View
From 4	—	45.00K	—	—	Jan 14, 2025	45.00K	Grant	—	Jan 13	View
From 4	—	125.00K	—	—	Jan 05, 2024	125.00K	Grant	—	Jan 04	View
From 4	—	302.13K	—	—	Jan 05, 2022	302.13K	Grant	—	Jan 03	View
From 4	0.51	20.00K	$2.40	$48.00K	Nov 26, 2021	3.18M	Purchase	—	Nov 23	View
From 4	-0.91	34.41M	$4.96	—	Aug 17, 2021	3.33M	Buy-Options	—	Aug 16 - 17	View
From 3	—	—	—	—	Aug 12, 2021	956.83K	—	—	—	View

sophiris bio inc.

Updated: Jun 28, 2019

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	20.00K	—	—	Jun 28, 2019	20.00K	Grant	—	Jun 27	View
From 4	—	20.00K	—	—	Jun 28, 2018	20.00K	Grant	—	Jun 27	View
From 4	—	20.00K	—	—	Jun 01, 2017	20.00K	Grant	—	May 30	View
From 4	—	8.25K	—	—	May 31, 2016	8.25K	Grant	—	May 27	View
From 4	—	8.25K	—	—	May 28, 2015	8.25K	Grant	—	May 27	View
From 4	—	10.00K	$3.16	$31.60K	Sep 19, 2014	10.00K	Purchase	—	Sep 19	View
From 4	—	1.63K	—	—	Jun 18, 2014	1.63K	Grant	—	Jun 17	View
From 4	—	16.50K	—	—	Mar 24, 2014	16.50K	Grant	—	Mar 24	View
From 3	—	—	—	—	Mar 24, 2014	—	—	—	—	View

QLGNritter pharmaceuticals inc

Updated: Jan 25, 2018VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	30.00K	—	—	Jan 25, 2018	30.00K	Grant	—	Jan 23	View
From 4	—	7.00K	—	—	Nov 30, 2016	7.00K	Grant	—	Nov 29	View
From 4	—	10.00K	—	—	Oct 15, 2015	10.00K	Grant	—	Oct 13	View
From 4	—	50.00K	$5.00	$250.00K	Jun 25, 2015	50.00K	Purchase	—	Jun 24	View
From 3	—	—	—	—	Jun 24, 2015	—	—	—	—	View

auspex pharmaceuticals, inc.

Updated: May 06, 2015

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	21.47K	—	—	May 06, 2015	—	Disposition	—	May 05	View
From 4	—	1.47K	$21.75	$31.89K	Sep 22, 2014	1.47K	Purchase	—	Sep 19	View
From 4	—	6.67K	—	—	May 07, 2014	6.67K	Grant	—	May 06	View
From 3	—	—	—	—	Feb 04, 2014	—	—	—	—	View

santarus inc

President & CEO Director

Updated: Jan 06, 2014

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	2.98M	$22.33	-$79.37M	Jan 06, 2014	—	Options	—	Jan 02	View
From 4	-0.14	56.64K	$17.73	-$1.61M	Dec 17, 2013	359.82K	Sale	Scheduled	Dec 16	View
From 4	-0.12	56.64K	$17.76	-$1.62M	Nov 19, 2013	416.12K	Sale	Scheduled	Nov 15	View
From 4	-0.13	50.00K	$22.32	-$1.12M	Oct 16, 2013	359.47K	Sale	Scheduled	Oct 15	View
From 4	-0.12	50.00K	$22.19	-$1.11M	Sep 17, 2013	407.71K	Sale	Scheduled	Sep 16	View
From 4	-0.54	86.60K	$9.81	-$1.55M	May 07, 2013	457.71K	Sale	Scheduled	May 06	View
From 4	-0.14	86.60K	$8.82	-$1.37M	Apr 05, 2013	544.31K	Sale	Scheduled	Apr 04	View
From 4	—	450.00K	—	—	Mar 12, 2013	450.00K	Grant	—	Mar 11	View
From 4	-0.12	86.60K	$7.23	-$1.10M	Mar 05, 2013	630.91K	Sale	Scheduled	Mar 04	View
From 4	-0.11	86.60K	$6.93	-$1.05M	Feb 05, 2013	717.51K	Sale	Scheduled	Feb 04	View
From 4	—	337.50K	—	—	Mar 13, 2012	337.50K	Grant	—	Mar 12	View
From 4	—	—	$0.88	$51.87K	Dec 12, 2011	451.52K	Options	—	Dec 08	View
From 4	—	—	$0.88	$48.13K	Oct 03, 2011	450.33K	Options	—	Sep 30	View
From 4	—	532.50K	—	—	Mar 11, 2011	532.50K	Grant	—	Mar 10	View
From 4	—	—	$1.05	$90.00K	Nov 10, 2010	333.62K	Options	—	Nov 09	View
From 4	—	300.00K	—	—	Mar 11, 2010	300.00K	Grant	—	Mar 10	View
From 4	—	—	$1.05	$40.50K	Nov 04, 2009	245.20K	Options	—	Nov 03	View
From 4	—	40.00K	—	—	Aug 04, 2009	40.00K	Grant	—	Aug 03	View
From 4	—	260.00K	—	—	Mar 17, 2009	260.00K	Grant	—	Mar 16	View
From 4	0.24	40.00K	$1.22	$48.91K	Mar 16, 2009	205.09K	Purchase	—	Mar 16	View
From 4	—	—	$0.70	$49.00K	Oct 24, 2008	163.72K	Options	—	Oct 23	View
From 4	—	320.00K	—	—	Mar 14, 2008	320.00K	Grant	—	Mar 13	View
From 4	0.37	25.00K	$2.72	$67.97K	Dec 12, 2007	92.49K	Purchase	—	Dec 11	View
From 4	—	225.00K	—	—	Mar 13, 2007	225.00K	Grant	—	Mar 12	View
From 4	-0.13	10.00K	$6.58	-$65.76K	Mar 01, 2007	66.75K	Sale	Scheduled	Feb 28	View
From 4	-0.12	10.00K	$6.96	-$69.59K	Jan 25, 2007	76.75K	Sale	Scheduled	Jan 24	View
From 4	-0.13	12.50K	$8.34	-$104.22K	Oct 17, 2006	86.75K	Sale	Scheduled	Oct 16	View
From 4	-0.11	12.50K	$8.25	-$103.16K	Sep 19, 2006	99.25K	Sale	Scheduled	Sep 15	View
From 4	-0.10	12.50K	$6.24	-$77.94K	Aug 16, 2006	111.75K	Sale	Scheduled	Aug 15	View
From 4	-0.06	7.45K	$6.00	-$44.69K	Jul 21, 2006	124.25K	Sale	Scheduled	Jul 20	View
From 4	-0.04	5.05K	$6.00	-$30.32K	Jul 18, 2006	131.70K	Sale	Scheduled	Jul 17	View
From 4	-0.09	12.50K	$6.01	-$75.14K	Jun 16, 2006	132.34K	Sale	Scheduled	Jun 15	View
From 4	-0.08	12.50K	$6.98	-$87.31K	May 16, 2006	144.84K	Sale	Scheduled	May 15	View
From 4	-0.07	12.50K	$7.92	-$98.99K	Apr 19, 2006	157.34K	Sale	Scheduled	Apr 17	View
From 4	-0.07	12.50K	$6.27	-$78.43K	Mar 17, 2006	169.84K	Sale	Scheduled	Mar 15	View
From 4/A	—	100.00K	—	—	Mar 17, 2006	100.00K	Grant	—	Feb 09	View
From 4	—	40.00K	—	—	Feb 13, 2006	40.00K	Grant	—	Sep 21	View
From 4	—	40.00K	—	—	Sep 23, 2005	40.00K	Grant	—	Sep 21	View
From 4	0.06	10.00K	$3.11	$31.10K	May 31, 2005	178.24K	Purchase	—	May 31	View
From 4	—	100.00K	—	—	Feb 17, 2005	100.00K	Grant	—	Feb 15	View
From 3	—	—	—	—	Mar 31, 2004	165.71K	—	—	—	View

depomed inc

Updated: Mar 27, 2006

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	—	5.00K	$6.20	$31.00K	Mar 27, 2006	5.00K	Grant	—	Mar 23	View
From 4	—	10.00K	$6.18	$61.80K	Jan 05, 2006	10.00K	Grant	—	Dec 08	View
From 4	—	10.00K	$5.04	$50.40K	Dec 10, 2004	10.00K	Grant	—	Dec 09	View
From 4	—	15.00K	$7.78	$116.70K	Jun 01, 2004	15.00K	Grant	—	May 27	View
From 3	—	—	—	—	Jun 01, 2004	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions