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RIBBON COMMUNICATIONS INC (RBBN) — large price moves

Information Technology · NASDAQ

Single sessions where RBBN closed 10% or more away from the previous close, between 2025-10-21 and 2026-10-21. 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, 3 have at least one filed event in the 5 days ending at the session, and 3 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

  • 2026-10-19 +14.4% $1.32 to $1.51 filed events in the 5 days to 2026-10-19

    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.

  • 2026-09-16 -10.4% $1.83 to $1.64 filed events in the 5 days to 2026-09-16

    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.

  • 2026-04-30 +11.2% $2.38 to $2.64 filed events in the 5 days to 2026-04-30
    • 2026-04-28 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.05 against an estimate of USD -0.06 · surprise +18.9%Source: SEC filing calendar + Yahoo earnings history
    • 2026-04-28 Material event 8-K filed (material event)accession 0001104659-26-050356Source: SEC EDGAR
  • 2026-04-22 -10.1% $3.06 to $2.75 filed events in the 5 days to 2026-04-22

    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.

  • 2026-02-06 -27.9% $2.72 to $1.96 filed events in the 5 days to 2026-02-06
    • 2026-02-05 Earnings Quarterly results reportedquarter ended 2025-12-31 · reported EPS USD 0.59 against an estimate of USD 0.11 · surprise +444.6%Source: SEC filing calendar + Yahoo earnings history
    • 2026-02-05 Material event 8-K filed (material event)accession 0001104659-26-010898Source: SEC EDGAR
  • 2025-10-23 -13.8% $4.00 to $3.45 filed events in the 5 days to 2025-10-23
    • 2025-10-23 Earnings Quarterly results reportedquarter ended 2025-09-30 · reported EPS USD 0.04 against an estimate of USD 0.06 · surprise -31.4%Source: SEC filing calendar + Yahoo earnings history
    • 2025-10-23 Periodic filing 10-Q filedaccession 0001708055-25-000035Source: 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: RIBBON COMMUNICATIONS INC (RBBN).

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