United States Biotechnology & Medical Research

Genprex Inc (GNPX)

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In the last 90 days, Genprex Inc. saw two sell transactions totaling $22.14, with no buy transactions. This resulted in a net insider count of -1. Executive trading activity was neutral. The stock has experienced a significant price decrease of over 60% in the past 90 days.

Top insider sells (90, 60d)

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Top insider sells

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Ticker: GNPX Exchange: NAS

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Trades

LONGNECKER BRENT M

2 sales — total 22 USD

Sale 14 Apr 2026

Value US$3,205,151.65 | Price 213.14 | Shares 59,483

Sale 14 Apr 2026

Value US$2,079,498.20 | Price 418.77 | Shares 83,635

VACZY CATHERINE M

EVP GC Chief Strategy Officer

1 purchase — total 21,478 USD

Buy 21 Apr 2023

Value US$858,112.53 | Price 278.96 | Shares 85,557

Varner John Rodney

Chairman, President and CEO

1 purchase — total 20,045 USD

Buy 21 Apr 2023

Value US$20,045.00 | Price 1.06 | Shares 19,000

LONGNECKER BRENT M

1 purchase — total 62,250 USD

Buy 5 Apr 2021

Value US$62,250.00 | Price 4.15 | Shares 15,000

Varner John Rodney

Chief Executive Officer

1 purchase — total 1,595 USD

Buy 5 Sep 2019

Value US$1,594.62 | Price 0.89 | Shares 1,800

Pham Julien L

President & COO

1 purchase — total 1,700 USD

Buy 30 Jul 2018

Value US$1,700.00 | Price 3.40 | Shares 500

Varner John Rodney

Chief Executive Officer

1 purchase — total 50,000 USD

Buy 29 Mar 2018

Value US$50,000.00 | Price 5.00 | Shares 10,000

Nance Christy M.

1 purchase — total 250,000 USD

Buy 29 Mar 2018

Value US$250,000.00 | Price 5.00 | Shares 50,000

ROTH JACK A

1 purchase — total 200,000 USD

Buy 29 Mar 2018

Value US$200,000.00 | Price 5.00 | Shares 40,000

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-04-15	2026-04-14	S Sale	0.8 LONGNECKER BRENT M Non-Executive Director	59,483 +13.9% 213.14 US$3,205,152	59,483 +13.9%	213.14	US$3,205,152
2026-04-15	2026-04-14	S Sale	0.8 LONGNECKER BRENT M Non-Executive Director	83,635 +1.7% 418.77 US$2,079,498	83,635 +1.7%	418.77	US$2,079,498
2023-04-24	2023-04-21	B Purchase	0.6 VACZY CATHERINE M EVP GC Chief Strategy Officer Officer	85,557 -15.0% 278.96 US$858,113	85,557 -15.0%	278.96	US$858,113
2023-04-24	2023-04-21	B Purchase	1.1 Varner John Rodney Chairman, President and CEO Executive Director	19,000 +1055.6% 1.06 US$20,045	19,000 +1055.6%	1.06	US$20,045
2021-04-07	2021-04-05	B Purchase	0.8 LONGNECKER BRENT M Non-Executive Director	15,000 +inf% 4.15 US$62,250	15,000 +inf%	4.15	US$62,250
2019-09-09	2019-09-05	B Purchase	1.1 Varner John Rodney Chief Executive Officer Executive Director Large shareholder	1,800 +inf% 0.89 US$1,595	1,800 +inf%	0.89	US$1,595
2018-08-02	2018-07-30	B Purchase	Pham Julien L President & COO Officer	500 +inf% 3.40 US$1,700	500 +inf%	3.40	US$1,700
2018-04-05	2018-03-29	B Purchase	Varner John Rodney Chief Executive Officer Executive Director Large shareholder	10,000 +1.9% 5.00 US$50,000	10,000 +1.9%	5.00	US$50,000
2018-04-05	2018-03-29	B Purchase	Nance Christy M. Large shareholder	50,000 +inf% 5.00 US$250,000	50,000 +inf%	5.00	US$250,000
2018-04-05	2018-03-29	B Purchase	ROTH JACK A Large shareholder	40,000 +3.1% 5.00 US$200,000	40,000 +3.1%	5.00	US$200,000