Michael W. Bonney is CEO at CUBIST PHARMACEUTICALS INC (CBST). They have made 25 open-market trades across 10 companies since 2010, most recently 2025-08-18.
CIK 0001219016
11 open-market purchases totalling $3.0M since 2012, against 14 sales. Across 11 scored buys the stock is up 4.8% at ninety days, and 3.1 points ahead of the S&P over the same stretch.
11 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 9% | 36% | 73% |
| Avg Move | -9.5% | -1.5% | +4.8% |
| Alpha | -7.0% | -2.1% | +3.1% |
| Scored | 11 | 11 | 11 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ALNY | SELL · 10b5-1 | 2025-08-18 | 2025-08-19 | $450.00 | $5.1M | -2.8% | -1.6% | +0.3% |
| ALNY | SELL · 10b5-1 | 2025-05-15 | 2025-05-19 | $277.71 | $6.2M | +4.2% | +6.9% | +56.3% |
| ALNY | SELL · 10b5-1 | 2023-12-27 | 2023-12-29 | $195.00 | $5.8M | +2.7% | -4.7% | -21.3% |
| ALNY | SELL | 2023-08-03 | 2023-08-04 | $185.58 | $2.2M | -1.7% | +7.9% | -13.0% |
| BMY | BUY | 2019-12-04 | 2020-06-09 | $58.90 | $5K | -7.9% | -5.1% | -4.4% |
| SRPT | BUY | 2019-09-09 | 2019-09-09 | $86.74 | $173K | -1.0% | -6.3% | +22.6% |
| KLDO | BUY | 2019-02-28 | 2019-03-04 | $13.98 | $999K | -9.9% | -7.1% | +6.4% |
| KLDO | BUY | 2019-02-28 | 2019-03-04 | $13.95 | $962K | -9.9% | -7.1% | +6.4% |
| ALNY | BUY | 2016-03-09 | 2016-03-10 | $58.36 | $117K | +2.0% | +9.5% | +14.6% |
| CELG | BUY | 2016-03-03 | 2016-03-04 | $103.01 | $206K | -4.1% | -0.6% | +6.4% |
| THW | BUY | 2015-08-17 | 2015-08-18 | $18.35 | $200K | -10.9% | +0.6% | +0.6% |
| ALNY | BUY | 2015-05-12 | 2015-05-13 | $112.16 | $224K | -18.4% | +0.9% | +0.9% |
| THQ | BUY | 2014-07-28 | 2014-07-29 | $20.00 | $100K | -9.7% | +0.5% | +0.5% |
| CBST | SELL | 2014-05-15 | 2014-05-15 | $67.50 | $205K | N/A | N/A | N/A |
| CBST | SELL | 2014-05-14 | 2014-05-14 | $69.00 | $265K | N/A | N/A | N/A |
| CBST | SELL | 2014-02-27 | 2014-02-28 | $81.25 | $8.1M | N/A | N/A | N/A |
| CBST | SELL | 2014-02-20 | 2014-02-21 | $75.60 | $235K | N/A | N/A | N/A |
| CBST | SELL | 2013-05-20 | 2013-05-22 | $50.00 | $3.0M | N/A | N/A | N/A |
| CBST | SELL | 2013-05-16 | 2013-05-17 | $47.88 | $115K | N/A | N/A | N/A |
| CBST | SELL | 2013-05-15 | 2013-05-16 | $48.41 | $144K | N/A | N/A | N/A |
| CBST | SELL | 2013-05-14 | 2013-05-15 | $49.18 | $185K | N/A | N/A | N/A |
| NPSP | SELL · 10b5-1 | 2013-02-07 | 2013-02-11 | $8.74 | $47K | N/A | N/A | N/A |
| CBST | SELL | 2013-01-28 | 2013-01-30 | $42.94 | $4.5M | N/A | N/A | N/A |
| CBST | SELL | 2012-05-15 | 2012-05-16 | $41.88 | $178K | N/A | N/A | N/A |
| CBST | SELL | 2012-05-14 | 2012-05-15 | $41.55 | $122K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| THQ |
| 5,000 |
| $90K |
| HQL | 2,388 | $40K |
| HQH | 1,860 | $35K |
| NPSP | 13,900 | — |
| CBST | 176,226 | — |
| Total | $10.7M |
Shares reported on the most recent Form 4, priced at the 2025-08-19 close. 2 holdings could not be priced and are excluded from the total.