Gail J. Maderis serves as Executive at Opexa Therapeutics, Inc., where they oversee executive responsibilities. Since joining the company, Gail J. Maderis has executed 16 insider transactions totaling $135.2K, demonstrating a bullish approach to their equity position. Their most recent transaction on Sep 11, 2025 involved transacting 20,000 shares valued at $0.
Gail J. Maderis currently holds 5,500 shares of Opexa Therapeutics, Inc. (OPXA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gail J. Maderis has been a net buyer of OPXA stock. They have purchased $135.2K and sold $0 worth of shares.
Gail J. Maderis's most recent insider trade was on Sep 11, 2025, when they sold 20,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Sep 9, 2025 | DRRX | $6.7K | Option Exercise | 5,500 | $1.22 | Discretionary |
| Aug 12, 2022 | DRRX | $17.9K | Purchase | 25,204 | $0.71 | Discretionary |
| Aug 11, 2022 | DRRX | $17.4K | Purchase | 24,796 | $0.70 | Discretionary |
| Aug 10, 2022 | DRRX | $55.0K | Purchase | 79,693 | $0.69 | Discretionary |
| Aug 9, 2022 | DRRX | $45.0K | Purchase | 70,307 | $0.64 | Discretionary |
| Sep 30, 2016 | OPXA | $0 | Award | 6,455 | $N/A | Discretionary |
| Jun 30, 2016 | OPXA | $0 | Award | 6,455 | $N/A | Discretionary |
| May 16, 2016 | OPXA | $0 | Award | 6,455 | $N/A | Discretionary |
| Dec 31, 2015 | OPXA | $0 | Award | 1,354 | $N/A | Discretionary |
| Sep 30, 2015 | OPXA | $0 | Award | 1,200 | $N/A | Discretionary |
| Jun 30, 2015 | OPXA | $0 | Award | 8,427 | $N/A | Discretionary |
| Apr 8, 2015 | OPXA | $0 | Option Exercise | 8,242 | $N/A | Discretionary |
| Mar 31, 2015 | OPXA | $0 | Award | 6,818 | $N/A | Discretionary |
| Feb 28, 2014 | OPXA | $0 | Award | 8,242 | $N/A | Discretionary |