INSM chart · All upcoming earnings
| Move | Mean | Median | Std dev | Hit rate |
|---|---|---|---|---|
| Day 1 | -0.4% | -0.6% | 9.2% | 47% |
| Day 2 | -0.2% | +0.1% | 4.3% | 50% |
| Day 3 | -0.4% | -0.3% | 5.0% | 45% |
| 5-day | +0.3% | -0.9% | 12.2% | 47% |
Day 1 = the close-to-close move on the first session to trade the news — hover for the EPS surprise.
| Report | Est | Actual | Surprise | Gap | 1-day | +5d | +1mo |
|---|---|---|---|---|---|---|---|
| 2026-08-06 beat | -0.68 | -0.06 | +91.2% | +29.5% | +33.9% | -4.7% | -4.7% |
| 2026-05-07 beat | -1.00 | -0.76 | +23.9% | -14.7% | -23.4% | +10.1% | -10.3% |
| 2026-02-19 miss | -1.17 | -1.54 | -31.9% | +1.8% | +6.5% | -6.8% | -15.5% |
| 2025-10-30 miss | -1.37 | -1.75 | -27.8% | +2.6% | +16.3% | -4.4% | +8.9% |
| 2025-08-07 miss | -1.31 | -1.70 | -29.6% | -4.2% | -1.8% | +16.9% | +34.2% |
| 2025-05-08 miss | -1.36 | -1.42 | -4.2% | -0.6% | -3.9% | +2.4% | +7.7% |
| 2025-02-20 miss | -1.16 | -1.32 | -13.3% | -4.4% | -0.3% | -5.5% | -4.4% |
| 2024-10-31 miss | -1.25 | -1.27 | -1.9% | -2.4% | -4.3% | +6.6% | +7.6% |
| 2024-08-08 miss | -1.23 | -1.94 | -58.2% | -2.7% | +1.2% | +3.2% | +0.0% |
| 2024-05-09 beat | -1.20 | -1.06 | +11.5% | +8.9% | +1.5% | -4.9% | +127.1% |
| 2024-02-22 miss | -1.13 | -1.28 | -13.3% | -2.3% | -3.9% | +2.1% | -2.7% |
| 2023-10-26 beat | -1.11 | -1.11 | +0.2% | +0.2% | +0.4% | -2.1% | -6.3% |
| 2023-08-03 miss | -1.12 | -1.78 | -58.9% | -3.6% | +1.7% | +2.6% | +2.2% |
| 2023-05-04 miss | -1.10 | -1.17 | -6.4% | -1.1% | -1.2% | -3.1% | -0.5% |
| 2023-02-23 miss | -1.02 | -1.21 | -18.2% | -1.0% | -2.5% | -1.7% | -19.2% |
| 2022-10-27 miss | -0.87 | -1.09 | -24.9% | -1.8% | -4.1% | +5.5% | +8.9% |
| 2022-08-04 beat | -0.89 | -0.80 | +10.6% | +3.8% | +15.2% | +6.7% | -2.0% |
| 2022-05-05 beat | -0.87 | -0.80 | +8.1% | +1.0% | +0.7% | -25.3% | -17.3% |
| 2022-02-17 miss | -0.86 | -0.95 | -10.2% | +2.9% | -2.0% | -0.6% | -1.6% |
| 2021-10-28 miss | -0.78 | -0.96 | -23.1% | +2.2% | +12.1% | +13.0% | -8.3% |
| 2021-08-05 miss | -0.88 | -0.91 | -2.7% | +0.6% | +2.2% | -5.5% | +12.6% |
| 2021-05-06 beat | -0.96 | -0.89 | +7.1% | -1.7% | +6.5% | -21.6% | -17.0% |
| 2021-02-25 miss | -0.68 | -1.00 | -46.7% | -5.1% | -7.2% | +0.3% | -6.8% |
| 2020-10-29 miss | -0.59 | -0.63 | -5.9% | -6.8% | -10.0% | +8.2% | +23.2% |
| 2020-08-06 miss | -0.62 | -0.64 | -3.2% | +11.2% | +10.2% | -4.4% | -7.0% |
| 2020-04-30 miss | -0.72 | -0.74 | -2.4% | +1.4% | +9.3% | -0.7% | +8.7% |
| 2020-02-25 miss | -0.56 | -0.59 | -6.3% | -6.2% | -11.8% | -5.0% | -30.6% |
| 2019-10-30 miss | -0.67 | -0.68 | -1.5% | +12.8% | +7.1% | +2.6% | +27.8% |
| 2019-08-01 beat | -0.86 | -0.81 | +6.2% | -0.2% | -12.3% | -11.0% | -14.6% |
| 2019-05-07 beat | -1.00 | -0.96 | +3.6% | -4.8% | -12.2% | +1.1% | -17.7% |
| 2019-02-22 miss | -1.03 | -1.19 | -15.3% | +3.4% | +11.4% | +8.7% | -0.7% |
| 2018-10-30 miss | -1.06 | -1.14 | -7.2% | -6.3% | -8.1% | +19.8% | +25.1% |
| 2018-08-02 beat | -1.06 | -1.00 | +6.1% | -1.8% | +13.4% | -22.5% | -29.0% |
| 2018-05-02 beat | -0.96 | -0.87 | +10.0% | +0.2% | +9.5% | -2.0% | +4.0% |
| 2018-02-23 miss | -0.67 | -0.85 | -26.6% | +0.3% | +6.0% | -6.1% | -12.1% |
| 2017-11-02 beat | -0.70 | -0.69 | +1.4% | -0.9% | +2.6% | +5.3% | +2.0% |
| 2017-08-03 miss | -0.63 | -0.72 | -14.3% | -1.0% | -9.2% | -16.4% | -12.6% |
| 2017-05-03 beat | -0.60 | -0.60 | +0.3% | -5.0% | -1.3% | -5.2% | -14.4% |
| 2017-02-23 miss | -0.86 | -1.10 | -27.2% | -3.7% | -4.7% | +18.5% | +14.1% |
| 2016-11-03 miss | -0.60 | -0.61 | -2.3% | -3.2% | -13.7% | +37.2% | +25.0% |
| 2016-08-04 miss | -0.56 | -0.59 | -6.0% | +0.2% | +0.1% | -1.3% | +13.3% |
| 2016-05-05 beat | -0.56 | -0.54 | +4.4% | +0.6% | -0.8% | -2.4% | +15.4% |
| 2016-02-25 miss | -0.49 | -0.51 | -4.0% | +0.2% | -6.3% | +8.4% | -0.7% |
| 2015-11-06 miss | -0.48 | -0.50 | -4.7% | -12.7% | -13.9% | -6.1% | -0.1% |
| 2015-08-06 beat | -0.50 | -0.47 | +5.1% | +0.8% | -2.9% | -2.6% | -10.1% |
| 2015-05-07 miss | -0.50 | -0.55 | -10.4% | -1.5% | +2.8% | +5.3% | +8.3% |
| 2015-02-27 beat | -0.55 | -0.36 | +34.9% | -0.7% | +2.1% | +8.7% | +13.8% |
| 2014-11-06 miss | -0.47 | -0.54 | -15.3% | +0.3% | +0.1% | -3.2% | +5.1% |
| 2014-08-06 miss | -0.48 | -0.59 | -21.9% | -2.1% | -5.5% | +7.9% | +15.1% |
| 2014-05-08 beat | -0.41 | -0.36 | +12.9% | +0.2% | -0.3% | +3.4% | -5.8% |
| 2014-03-06 beat | -0.48 | -0.41 | +13.7% | -0.1% | -7.1% | +4.6% | -3.8% |
| 2013-11-05 miss | -0.44 | -0.46 | -5.5% | -0.5% | +1.4% | +2.5% | +12.7% |
| 2013-08-06 miss | -0.39 | -0.64 | -65.4% | +0.5% | +4.3% | -10.2% | +30.3% |
| 2013-05-07 beat | -0.51 | -0.43 | +16.5% | -0.2% | -1.3% | +2.5% | +43.9% |
| 2013-03-18 miss | -0.30 | -0.49 | -63.3% | +0.0% | +5.0% | +7.8% | +8.0% |
| 2012-11-07 beat | -0.42 | -0.38 | +9.5% | -0.5% | +2.2% | +12.0% | +5.1% |
| 2012-08-07 miss | -0.29 | -0.39 | -36.4% | +0.0% | -3.0% | -4.3% | +3.1% |
| 2012-05-08 beat | -0.30 | -0.28 | +7.0% | -2.4% | -15.1% | -13.2% | +5.7% |
| 2011-11-08 miss | -0.30 | -1.39 | -363.3% | -0.3% | -2.1% | -7.7% | -4.9% |
| 2011-08-08 miss | -0.33 | -0.40 | -21.2% | -3.2% | -13.5% | +34.0% | +35.2% |
“1-day” is the close-to-close move over the session that first traded on the news (the next session for after-close reports). “+5d / +1mo” are the further drift from that close.
Earnings dates & estimates from Yahoo Finance (refreshed 2026-09-13); price reactions from end-of-day data. History, not a forecast. Not investment advice.