Rambus (RMBS) — large price moves

Information Technology · NASDAQ

Single sessions where RMBS 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 13 moves listed, 6 have at least one filed event in the 5 days ending at the session, and 7 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

• 2026-09-21 +10.7% $87.60 to $96.96 filed events in the 5 days to 2026-09-21

  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.

• 2026-06-05 -14.2% $169.35 to $145.31 filed events in the 5 days to 2026-06-05
  • 2026-06-01 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $730,000Source: SEC Form 4
  • 2026-06-02 Insider trade Open-market sale reported by an insider2 transactions · 1 insider · $1,605,000Source: SEC Form 4
  • 2026-06-03 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $850,750Source: SEC Form 4
• 2026-06-02 +13.1% $147.48 to $166.78 filed events in the 5 days to 2026-06-02
  • 2026-06-01 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $730,000Source: SEC Form 4
  • 2026-06-02 Insider trade Open-market sale reported by an insider2 transactions · 1 insider · $1,605,000Source: SEC Form 4
• 2026-05-06 +10.2% $118.00 to $130.04 filed events in the 5 days to 2026-05-06

  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.

• 2026-04-28 -21.3% $141.31 to $111.27 filed events in the 5 days to 2026-04-28
  • 2026-04-24 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $446,692Source: SEC Form 4
  • 2026-04-27 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD 0.63 against an estimate of USD 0.64 · surprise -1.0%Source: SEC filing calendar + Yahoo earnings history
  • 2026-04-27 Material event 8-K filed (material event)accession 0001193125-26-182076Source: SEC EDGAR
  • 2026-04-28 Periodic filing 10-Q filedaccession 0001193125-26-186931Source: SEC EDGAR
  • 2026-04-28 Filing language risk_factors changed in the 10-Qsection risk_factors · accession 0001193125-26-186931Source: SEC EDGAR (section comparison against the prior filing)
• 2026-04-27 -10.8% $158.40 to $141.31 filed events in the 5 days to 2026-04-27
  • 2026-04-24 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $446,692Source: SEC Form 4
  • 2026-04-27 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD 0.63 against an estimate of USD 0.64 · surprise -1.0%Source: SEC filing calendar + Yahoo earnings history
  • 2026-04-27 Material event 8-K filed (material event)accession 0001193125-26-182076Source: SEC EDGAR
• 2026-04-24 +14.4% $138.50 to $158.40 filed events in the 5 days to 2026-04-24
  • 2026-04-24 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $446,692Source: SEC Form 4
• 2026-04-08 +10.4% $91.87 to $101.43 filed events in the 5 days to 2026-04-08

  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.

• 2026-03-30 -11.1% $89.73 to $79.73 filed events in the 5 days to 2026-03-30

  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.

• 2026-03-03 -11.4% $98.88 to $87.59 filed events in the 5 days to 2026-03-03

  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.

• 2026-02-03 -13.4% $113.71 to $98.45 filed events in the 5 days to 2026-02-03
  • 2026-02-02 Earnings Quarterly results reportedquarter ended 2025-12-31 · reported EPS USD 0.68 against an estimate of USD 0.68 · surprise +0.4%Source: SEC filing calendar + Yahoo earnings history
  • 2026-02-02 Material event 8-K filed (material event)accession 0001193125-26-033624Source: SEC EDGAR
• 2026-01-21 +14.4% $110.10 to $125.93 filed events in the 5 days to 2026-01-21

  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.

• 2025-12-12 -11.1% $106.01 to $94.23 filed events in the 5 days to 2025-12-12

  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: Rambus (RMBS).

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