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Arrowhead Pharmaceuticals (ARWR) — large price moves

Health Care · NASDAQ

Single sessions where ARWR 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.

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Of the 6 moves listed, 2 have at least one filed event in the 5 days ending at the session, and 4 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

  • 2026-09-15 -12.4% $80.67 to $70.67 filed events in the 5 days to 2026-09-15

    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.

  • 2026-07-22 +19.0% $74.52 to $88.70 filed events in the 5 days to 2026-07-22

    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.

  • 2026-01-06 +10.8% $63.88 to $70.81 filed events in the 5 days to 2026-01-06
    • 2026-01-02 Insider trade Open-market sale reported by an insider2 transactions · 1 insider · $871,703Source: SEC Form 4
    • 2026-01-05 Insider trade Open-market sale reported by an insider19 transactions · 2 insiders · $5,658,011Source: SEC Form 4
  • 2025-12-08 +11.7% $61.44 to $68.60 filed events in the 5 days to 2025-12-08

    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.

  • 2025-12-03 +12.3% $57.95 to $65.08 filed events in the 5 days to 2025-12-03

    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.

  • 2025-11-26 +23.3% $46.79 to $57.71 filed events in the 5 days to 2025-11-26
    • 2025-11-25 Earnings Quarterly results reportedquarter ended 2025-09-30 · reported EPS USD -0.18 against an estimate of USD -0.16 · surprise -14.4%Source: SEC filing calendar + Yahoo earnings history
    • 2025-11-25 Periodic filing 10-K filedaccession 0000879407-25-000029Source: 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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See the full company profile: Arrowhead Pharmaceuticals (ARWR).

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