Comparable stake leader
INTRACOASTAL CAPITAL, LLC
SEC ownership of Genprex, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001595248.
Disclosed value leader
J. Rodney Varner
Comparable rows
32/37
Latest evidence
14 Apr 2026
- Public ticker
- GNPX on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
INTRACOASTAL CAPITAL, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
32 of 37
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
INTRACOASTAL CAPITAL, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
14 Apr 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001595248
- Issuer location
- Austin, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Genprex, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
INTRACOASTAL CAPITAL, LLC
Disclosed value leader
J. Rodney Varner
Comparable rows
32/37
Latest evidence
14 Apr 2026
13D/G
3/4/5
13F
Lead comparable stake: 5%
5 rows are not safely comparable across share classes.
13D/G row: INTRACOASTAL CAPITAL, LLC
Showing 1-8 of 37 holder rows.
Quick read
INTRACOASTAL CAPITAL, LLC leads the comparable SEC ownership view at 5%.
32 of 37 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens INTRACOASTAL CAPITAL, LLC's linked filing trail.
Comparable ownership
Top 5
INTRACOASTAL CAPITAL, LLC
5%
Ayrton Capital LLC
2.7%
Forsakringsaktiebolaget Avanza Pe...
0.02%
Ryan M. Confer
0.39%
Mark Stanley Berger
0.23%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 37 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| INTRACOASTAL CAPITAL, LLC |
13D/G
Mitchell P. Kopin
|
5%
|
—
84,814 shares
|
$0 | 28 Oct 2025 |
| Ayrton Capital LLC |
13D/G
|
2.7%
|
$302,243
249,788 shares
|
$0 | 31 Mar 2026 |
| Forsakringsaktiebolaget Avanza Pension |
13D/G
|
0.02%
|
$1,732
5,974 shares
|
$0 | 31 Dec 2024 |
| Ryan M. Confer |
3/4/5
President, CEO and CFO, Director
|
0.39%
|
$72,662
36,331 shares
|
— | 27 Feb 2026 |
| Mark Stanley Berger |
3/4/5
Chief Medical Officer
|
0.23%
|
$43,384
21,692 shares
|
— | 27 Feb 2026 |
| Brent M. Longnecker |
3/4/5
Director
|
0.1%
|
$11,263
9,157 shares
|
-$22 | 14 Apr 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.36%
|
$60,403
33,372 shares
|
— | 31 Mar 2026 |
| MANCHESTER FINANCIAL INC |
13F
Company
|
0.22%
|
$36,200
20,000 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$22.14.
Buys
$0
Insiders: 0
Sells
$22.14
Insiders: 1
Net
-$22.14
Shares: -18
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 18
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 18 | $0 | $22.14 | -$22.14 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-8 of 8 reporting-owner rows connected to Genprex, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
J. Rodney Varner
Net 12M change
-$22
Latest report
14 Apr 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| J. Rodney Varner | Chairman, President and CEO, Director | $1,245,464 | Mixed | 18 Feb 2024 | ||
| Catherine M. Vaczy | EVP GC Chief Strategy Officer | $279,575 | Filing P/S | 21 Apr 2023 | ||
| Hermant Kumar | Chief Mfgr & Tech Officer | $211,000 | Mixed | 18 Feb 2023 | ||
| Ryan M. Confer | President, CEO and CFO, Director | $72,662 | Mixed | 27 Feb 2026 | ||
| Mark Stanley Berger | Chief Medical Officer | $43,384 | Mixed | 27 Feb 2026 | ||
| Brent M. Longnecker | Director | $11,263 | -$22 | -0.19% | Filing P/S | 14 Apr 2026 |
| Jose Antonio Moreno Toscano | Director | $4,395 | Market | 22 Dec 2025 | ||
| William R. Wilson Jr. | Director | $4,395 | Market | 22 Dec 2025 |
Recent insider transactions for Genprex, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Brent M. Longnecker | GNPX | Common Stock | Sale | -100% | $12.3 | $1.23 | -10 | 0 | 14 Apr 2026 | By: Longnecker Associates Ltd |
| Brent M. Longnecker | GNPX | Common Stock | Sale | -0.09% | $9.84 | $1.23 | -8 | 9,157 | 14 Apr 2026 | Direct |
| Mark Stanley Berger | GNPX | Common Stock | Tax liability | -24.8% | -7,168 | 21,692 | 27 Feb 2026 | Direct | ||
| Ryan M. Confer | GNPX | Common Stock | Tax liability | -20.4% | -9,330 | 36,331 | 27 Feb 2026 | Direct | ||
| Jose Antonio Moreno Toscano | GNPX | Common Stock | Award | 5732.5% | 9,000 | 9,157 | 22 Dec 2025 | Direct | ||
| Mark Stanley Berger | GNPX | Common Stock | Award | 7916.7% | 28,500 | 28,860 | 22 Dec 2025 | Direct | ||
| Ryan M. Confer | GNPX | Common Stock | Award | 6807.9% | 45,000 | 45,661 | 22 Dec 2025 | Direct | ||
| Brent M. Longnecker | GNPX | Common Stock | Award | 5454.6% | 9,000 | 9,165 | 22 Dec 2025 | Direct | ||
| William R. Wilson Jr. | GNPX | Common Stock | Award | 5732.5% | 9,000 | 9,157 | 22 Dec 2025 | Direct | ||
| Mark Stanley Berger | GNPX | Common Stock | Tax liability | -20% | -4,500 | 17,971 | 30 Jun 2025 | Direct | ||
| Ryan M. Confer | GNPX | Common Stock | Tax liability | -14.9% | -5,775 | 32,968 | 30 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.