Martha J. Demski serves as Executive at CHIMERIX INC, where they oversee executive responsibilities. Since joining the company, Martha J. Demski has executed 59 insider transactions totaling $1.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jun 27, 2025 involved selling 8,000 shares valued at $40.5K.
Martha J. Demski currently holds 12,000 shares of CHIMERIX INC (CMRX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Martha J. Demski has been a net seller of CMRX stock. They have purchased $160.6K and sold $981.9K worth of shares.
Martha J. Demski's most recent insider trade was on Jun 27, 2025, when they sold 8,000 shares at $5.06 per share.
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| $N/A |
| Discretionary |
| May 10, 2023 | CMRX | $20.0K | Purchase | 18,000 | $1.11 | Discretionary |
| Mar 6, 2023 | ADMA | $0 | Award | 25,815 | $N/A | Discretionary |
| May 17, 2022 | CMRX | $16.1K | Purchase | 10,000 | $1.61 | Discretionary |
| Mar 7, 2022 | ADMA | $0 | Award | 26,586 | $N/A | Discretionary |
| Nov 24, 2021 | ADMS | $0 | Tender | 5,000 | $N/A | Discretionary |
| Nov 24, 2021 | ADMS | $0 | Tender | 16,000 | $N/A | Discretionary |
| Jun 7, 2021 | ADMS | $10.3K | Sale | 2,000 | $5.17 | Discretionary |
| Jun 2, 2021 | ADMS | $0 | Award | 5,000 | $N/A | Discretionary |
| Nov 17, 2020 | CMRX | $16.5K | Option Exercise | 7,042 | $2.35 | Discretionary |
| Nov 17, 2020 | CMRX | $0 | Gift | 7,042 | $N/A | Discretionary |
| Nov 17, 2020 | CMRX | $0 | Gift | 7,042 | $N/A | Discretionary |
| Sep 11, 2020 | ADMA | $5.0K | Purchase | 2,200 | $2.29 | Discretionary |
| Aug 13, 2020 | ADMA | $5.8K | Purchase | 2,000 | $2.88 | Discretionary |
| Aug 10, 2020 | CMRX | $5.1K | Sale | 1,584 | $3.25 | Discretionary |
| Aug 10, 2020 | CMRX | $5.0K | Option Exercise | 1,584 | $3.16 | Discretionary |
| Aug 7, 2020 | CMRX | $7.9K | Option Exercise | 2,500 | $3.16 | Discretionary |
| Aug 7, 2020 | CMRX | $8.1K | Sale | 2,500 | $3.25 | Discretionary |
| Aug 6, 2020 | CMRX | $7.9K | Option Exercise | 2,500 | $3.16 | Discretionary |
| Aug 6, 2020 | CMRX | $8.2K | Sale | 2,500 | $3.29 | Discretionary |
| Aug 5, 2020 | CMRX | $7.9K | Option Exercise | 2,500 | $3.16 | Discretionary |
| Aug 5, 2020 | CMRX | $8.2K | Sale | 2,500 | $3.27 | Discretionary |
| Aug 4, 2020 | CMRX | $15.8K | Option Exercise | 5,000 | $3.16 | Discretionary |
| Aug 4, 2020 | CMRX | $16.3K | Sale | 5,000 | $3.25 | Discretionary |
| Jun 3, 2020 | ADMS | $0 | Award | 5,000 | $N/A | Discretionary |
| May 28, 2019 | CMRX | $64.8K | Purchase | 18,000 | $3.60 | Discretionary |
| May 9, 2018 | CMRX | $6.6K | Option Exercise | 4,225 | $1.57 | Discretionary |
| Jun 21, 2016 | NEOT | $18.5K | Option Exercise | 16,393 | $1.13 | Discretionary |
| Mar 1, 2016 | CMRX | $48.9K | Purchase | 10,000 | $4.89 | Discretionary |