SIGA TECHNOLOGIES INC (SIGA) — large price moves

Health Care · NASDAQ

Single sessions where SIGA closed 10% or more away from the previous close, between 2025-10-20 and 2026-10-20. Each one lists the events filed in the 5 days ending at that session, in date order.

Of the 2 moves listed, 1 has at least one filed event in the 5 days ending at the session, and 1 has 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

• 2026-04-07 -12.9% $5.20 to $4.53 filed events in the 5 days to 2026-04-07

  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.

• 2025-11-07 -19.9% $8.17 to $6.54 filed events in the 5 days to 2025-11-07
  • 2025-11-06 Periodic filing 10-Q filedaccession 0001437749-25-033636Source: SEC EDGAR

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