Altimmune, Inc.(ALT)Earnings Date, History & Expected Move
Next report date, beat rate and options-implied move
ALT is scheduled to report on Nov 10, 2026, before the market opens. Analysts expect EPS of -$0.14.
EPS: Actual vs Estimate
Reported EPS against the consensus estimate, last 12 quarters.
Green beat or met, red missed, amber sources differ.
Stock Reaction After Earnings
Close-to-close move in the first session that reflected each report.
Dashed lines mark the average actual move (±9.1%).
Did the stock rise after good news?
The next-day move after each of its last 8 EPS beats and 2 misses.
In plain words: it beat expectations 8 times, but the stock still fell 2 of those 8 times.
- May '26Beat▼ -1.9%
- Mar '26Missed▼ -17.9%
- Nov '25Beat▲ +5.1%
- Aug '25Beat▲ +7.1%
- May '25Beat▼ -4.2%
- Feb '25Beat▲ +8.1%
- Nov '24Beat▲ +29.1%
- Aug '24Missed▲ +15.1%
- May '24Beat▲ +7.8%
- Nov '23Beat▲ +1.1%
Clear beats and misses with a known reaction only. What counts as a beat
Why did ALT fall after beating earnings?
3 of ALT's last 10 reactions went against the EPS result. What stands out in each:
ALT beat EPS estimates in 8 quarters, and the stock still closed lower the next day 2 times.
- May 13, 2026EPS beat +28.0%stock -1.9% next day
- It opened 3.2% lower as soon as trading resumed.
- May 13, 2025EPS beat +23.5%stock -4.2% next day
- It had risen 36.3% in the 20 trading sessions before the report, so good news may already have been priced in.
- It opened 1.0% higher, but sellers took over and it closed -4.2%.
Rose despite an EPS miss (1 of 2)
- Aug 8, 2024EPS missed -2.9%stock +15.1% next day
- It had already fallen 26.5% in the 20 trading sessions before the report, so weak results may have been expected.
- It opened 5.5% higher as soon as trading resumed.
Patterns in estimates and prices, not confirmed causes: how we read them.
Was ALT's earnings move already priced in?
ALT's move in the month before each of its last 11 reports, against what it did after.
How the run-up is measured (a move of 5% or more counts as large).
Before vs after each report
Grey: the month before each of the last 11 reports. Green or red: the day after.
Past reports only. How the run-up is measured
Does ALT hold its opening gap after earnings?
ALT's opening move after each report and where it closed that day.
In 10 reports ALT opened at least 1% away from the previous close. It gave back half or more of that gap by the close 3 of 10 times (30%), and fully reversed 2 times. Gaps up faded 3 of 8; gaps down recovered 0 of 2.
- Aug 12, 2026ReversedOpened +1.7%, closed -2.3%
- May 13, 2026HeldOpened -3.2%, closed -1.9%
- Mar 5, 2026HeldOpened -4.0%, closed -17.9%
- Nov 6, 2025HeldOpened +1.9%, closed +5.1%
- Aug 12, 2025HeldOpened +3.8%, closed +7.1%
- May 13, 2025ReversedOpened +1.0%, closed -4.2%
- Feb 27, 2025HeldOpened +1.1%, closed +8.1%
- Nov 12, 2024HeldOpened +3.7%, closed +29.1%
ALT earnings history
Last 12 reported quarters with the stock's reaction.
Swipe sideways to see every column →
| Report date | Time | EPS est. | EPS actual | Surprise | 1-day move | 3-day move |
|---|---|---|---|---|---|---|
| Aug 12, 2026 | Before open | -$0.12 | -$0.12 | 0.0% | -2.33% | -2.00% |
| May 13, 2026 | Before open | -$0.25 | -$0.18 | +28.0% | -1.95% | -7.47% |
| Mar 5, 2026 | Before open | -$0.24 | -$0.27 | -12.5% | -17.92% | -9.13% |
| Nov 6, 2025 | Before open | -$0.27 | -$0.21 | +22.2% | +5.07% | +13.60% |
| Aug 12, 2025 | Before open | -$0.32 | -$0.27 | +15.6% | +7.10% | +8.88% |
| May 13, 2025 | Before open | -$0.34 | -$0.26 | +23.5% | -4.16% | -3.83% |
| Feb 27, 2025 | Before open | -$0.34 | -$0.33 | +2.9% | +8.08% | +0.84% |
| Nov 12, 2024 | Before open | -$0.36 | -$0.32 | +11.1% | +29.12% | +15.03% |
| Aug 8, 2024 | Before open | -$0.34 | -$0.35 | -2.9% | +15.09% | +13.09% |
| May 9, 2024 | Before open | -$0.35 | -$0.34 | +2.9% | +7.82% | +2.93% |
| Mar 27, 2024 | Before open | -$0.38 | -$0.33 | +13.2% | — | — |
| Nov 7, 2023 | Before open | -$0.44 | -$0.39 | +11.4% | +1.12% | -8.24% |
Consensus for the next report: EPS -$0.14, revenue $0.00.
ALT Earnings FAQ
Answers computed from Altimmune, Inc.'s reported history
ALT is scheduled to report on Nov 10, 2026, before the market opens. Analysts expect EPS of -$0.14.
Over the last 12 quarters with a usable EPS surprise, ALT beat the consensus estimate 9 times (75%), missed 2 and landed in line 1.
Across its last 11 quarters with a measured reaction, ALT moved an average of ±9.1% in the first session after reporting. It closed higher 64% of the time; the largest gain was 29.1% and the largest drop -17.9%.
ALT fell in the first session after 2 of its last 8 EPS beats (25%). A beat that was already priced in, or weaker guidance, can send a stock lower.
Across its last 11 quarters with price data, ALT moved an average of -4.3% in the 20 trading sessions before reporting and was higher in 36% of them. After a run-up of 3% or more (3 quarters), it fell the next day 33% of the time, averaging +8.7%. After a drop of 3% or more (7 quarters), it rose the next day 71% of the time, averaging +3.3%. This describes past reports; it is not a forecast.
In 10 reports ALT opened at least 1% away from the previous close. It gave back half or more of that gap by the close 3 of 10 times (30%), and fully reversed 2 times. A fade means the opening move was partly undone during the first session.
How we calculate these numbers · ALT: 12 reported quarters, latest Aug 12, 2026. Information only, not investment advice.
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