INSM chart · All upcoming earnings
| Move | Mean | Median | Std dev | Hit rate |
|---|---|---|---|---|
| Day 1 | +2.6% | +0.4% | 14.8% | 50% |
| Day 2 | -0.5% | -1.0% | 2.3% | 40% |
| Day 3 | +0.5% | -0.1% | 2.5% | 50% |
| 5-day | +3.3% | +0.7% | 12.1% | 50% |
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% |
“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 2026-09-14); price reactions from end-of-day data. History, not a forecast. Not investment advice.