ALTIMMUNE INC (ALT) — large price moves

Health Care · NASDAQ

Single sessions where ALT closed 10% or more away from the previous close, between 2025-10-08 and 2026-10-08. Each one lists the events filed in the 5 days ending at that session, in date order.

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Of the 7 moves listed, 1 has at least one filed event in the 5 days ending at the session, and 6 have none. Across the catalog most large moves have nothing filed near them, so an empty list is an ordinary result and not a gap.

Moves

2026-04-23 -16.7% $3.47 to $2.89 filed events in the 5 days to 2026-04-23

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-03-05 -17.9% $4.27 to $3.51 filed events in the 5 days to 2026-03-05
- 2026-03-05 Earnings Quarterly results reportedquarter ended 2025-12-31 · reported EPS USD -0.27 against an estimate of USD -0.24 · surprise -11.2%Source: SEC filing calendar + Yahoo earnings history
- 2026-03-05 Material event 8-K filed (material event)accession 0001326190-26-000013Source: SEC EDGAR
2026-01-28 -17.1% $6.18 to $5.12 filed events in the 5 days to 2026-01-28

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-01-22 +16.4% $4.62 to $5.38 filed events in the 5 days to 2026-01-22

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-01-05 +16.5% $3.51 to $4.09 filed events in the 5 days to 2026-01-05

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2025-12-19 -22.8% $5.05 to $3.90 filed events in the 5 days to 2025-12-19

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2025-11-18 +11.0% $4.19 to $4.65 filed events in the 5 days to 2025-11-18

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.

These are events filed near a session, listed by date. They are not ranked, and no connection between an event and a price move is stated or implied.

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See the full company profile: ALTIMMUNE INC (ALT).

Informational only — NOT financial advice. Price moves are computed from stored daily closes; filed events come from their own sources with their own dates.