Martha J. Demski is Director at CHIMERIX INC (CMRX). They have made 6 open-market trades across 2 companies since 2015, most recently 2025-06-27.
CIK 0001198230
6 open-market purchases totalling $161K since 2016, never a sale. Across 6 scored buys the stock is down 8.3% at ninety days, and 14.0 points behind the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 50% | 50% | 17% |
| Avg Move | +2.1% | -1.6% | -8.3% |
| Alpha | +1.1% | -2.8% | -14.0% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TKNO | SELL · 10b5-1 | 2025-06-27 | 2025-07-01 | $5.06 | $40K | -8.4% | -7.8% | +15.3% |
| CMRX | BUY | 2023-05-10 | 2023-05-11 | $1.11 | $20K | +24.3% | +20.9% | -11.3% |
| CMRX | BUY | 2022-05-17 | 2022-05-17 | $1.61 | $16K | +14.1% | -23.2% | +58.2% |
| ADMS | SELL · 10b5-1 | 2021-06-07 | 2021-06-08 | $5.17 | $10K | +8.7% | +5.9% | -7.3% |
| ADMA | BUY | 2020-09-11 | 2020-09-14 | $2.29 | $5K | -13.2% | -2.6% | -9.8% |
| ADMA | BUY | 2020-08-13 | 2020-08-14 | $2.88 | $6K | -10.9% | -24.3% | -39.3% |
| CMRX | SELL · 10b5-1 | 2020-08-10 | 2020-08-11 | $3.25 | $5K | -3.0% | -16.6% | +4.1% |
| CMRX | SELL · 10b5-1 | 2020-08-06 | 2020-08-10 | $3.27 | $16K | -7.2% | -24.1% | -3.8% |
| CMRX | SELL · 10b5-1 | 2020-08-04 | 2020-08-06 | $3.26 | $24K | -10.6% | -28.6% | -5.0% |
| CMRX | BUY | 2019-05-28 | 2019-05-29 | $3.60 | $65K | -7.2% | +19.0% | -41.9% |
| CMRX | BUY | 2016-03-01 | 2016-03-02 | $4.89 | $49K | +5.6% | +0.6% | -5.8% |
| CMRX | SELL · 10b5-1 | 2015-11-02 | 2015-11-03 | $41.35 | $47K | -19.0% | -1.5% | -13.7% |
| CMRX | SELL · 10b5-1 | 2015-10-01 | 2015-10-02 | $37.68 | $75K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-09-01 | 2015-09-03 | $48.18 | $96K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-08-03 | 2015-08-05 | $54.61 | $109K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-07-01 | 2015-07-02 | $46.03 | $92K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-06-01 | 2015-06-03 | $41.58 | $83K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-05-01 | 2015-05-04 | $34.71 | $69K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-04-01 | 2015-04-03 | $36.88 | $74K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-03-02 | 2015-03-03 | $40.18 | $80K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-02-02 | 2015-02-03 | $38.38 | $77K | -19.0% | -1.5% | -1.5% |
| CMRX | SELL · 10b5-1 | 2015-01-02 | 2015-01-06 | $41.08 | $82K | -19.0% | -1.5% | -1.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.