Gregory L. Weaver serves as Executive at SIRNA THERAPEUTICS INC, where they oversee executive responsibilities. Since joining the company, Gregory L. Weaver has executed 35 insider transactions totaling $1.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 11, 2025 involved exercising options for 18,750 shares valued at $0.
Gregory L. Weaver currently holds 28,750 shares of SIRNA THERAPEUTICS INC (RNAI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gregory L. Weaver has been a net seller of RNAI stock. They have purchased $405.3K and sold $671.8K worth of shares.
Gregory L. Weaver's most recent insider trade was on Nov 11, 2025, when they sold 18,750 shares at $0.00 per share.
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| $4.28 |
| Discretionary |
| Nov 15, 2023 | ATOS | $32.5K | Sale | 50,000 | $0.65 | Discretionary |
| Jun 20, 2023 | ATOS | $48.5K | Purchase | 50,000 | $0.97 | Discretionary |
| Jul 2, 2021 | ATOS | $365.3K | Payment | 57,084 | $6.40 | Discretionary |
| Jul 2, 2021 | ATOS | $119.0K | Option Exercise | 70,000 | $1.70 | Discretionary |
| Jul 2, 2021 | ATOS | $599.8K | Sale | 107,497 | $5.58 | Discretionary |
| Jul 2, 2021 | ATOS | $113.4K | Option Exercise | 45,000 | $2.52 | Discretionary |
| Jul 2, 2021 | ATOS | $25.8K | Option Exercise | 4,581 | $5.64 | Discretionary |
| Jul 2, 2021 | ATOS | $107.1K | Option Exercise | 45,000 | $2.38 | Discretionary |
| Jun 22, 2021 | ATAI | $70.0K | Purchase | 4,666 | $15.00 | Discretionary |
| Mar 15, 2020 | ELOX | $0 | Option Exercise | 3,750 | $N/A | Discretionary |
| Mar 15, 2020 | ELOX | $3.1K | Payment | 1,086 | $2.85 | Discretionary |
| Jan 30, 2020 | ELOX | $6.8K | Payment | 1,733 | $3.91 | Discretionary |
| Jan 30, 2020 | ELOX | $0 | Option Exercise | 5,000 | $N/A | Discretionary |
| Jan 30, 2020 | ELOX | $0 | Option Exercise | 5,000 | $N/A | Discretionary |
| Jan 30, 2020 | ELOX | $6.8K | Payment | 1,733 | $3.91 | Discretionary |
| Mar 23, 2018 | ELOX | $38.5K | Purchase | 4,500 | $8.56 | Discretionary |
| May 6, 2014 | ATOS | $0 | Disposition | 24,510 | $N/A | Discretionary |
| Nov 21, 2013 | ATOS | $25.8K | Purchase | 10,000 | $2.58 | Discretionary |
| Nov 20, 2013 | FCSC | $35.1K | Purchase | 10,000 | $3.51 | Discretionary |
| Oct 10, 2013 | ATOS | $0 | Award | 24,510 | $N/A | Discretionary |
| Mar 19, 2013 | CLSN | $39.5K | Sale | 37,272 | $1.06 | Discretionary |
| Dec 18, 2012 | CLSN | $23.9K | Option Exercise | 8,636 | $2.77 | Discretionary |
| Dec 6, 2011 | CLSN | $10.8K | Purchase | 5,000 | $2.15 | Discretionary |
| May 26, 2011 | CLSN | $23.9K | Purchase | 8,636 | $2.77 | Discretionary |
| Sep 16, 2010 | CLSN | $15.5K | Purchase | 5,000 | $3.10 | Discretionary |
| Aug 21, 2009 | PARD | $6.7K | Purchase | 900 | $7.40 | Discretionary |
| Aug 21, 2009 | PARD | $15.5K | Purchase | 2,100 | $7.39 | Discretionary |
| Apr 6, 2009 | PARD | $473 | Purchase | 225 | $2.10 | Discretionary |