QUANTUM COMPUTING INC (QUBT) — large price moves

Information Technology · NASDAQ

Single sessions where QUBT 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 20 moves listed, 3 have at least one filed event in the 5 days ending at the session, and 17 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

2026-06-18 +10.1% $9.77 to $10.76 filed events in the 5 days to 2026-06-18

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.
2026-06-15 +11.8% $9.93 to $11.10 filed events in the 5 days to 2026-06-15

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.
2026-06-05 -11.0% $11.19 to $9.95 filed events in the 5 days to 2026-06-05

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.
2026-05-21 +19.4% $9.56 to $11.41 filed events in the 5 days to 2026-05-21

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.
2026-05-15 -10.4% $11.73 to $10.51 filed events in the 5 days to 2026-05-15
- 2026-05-11 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.03 against an estimate of USD -0.05 · surprise +35.4%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-11 Periodic filing 10-Q filedaccession 0001213900-26-054473Source: SEC EDGAR
- 2026-05-11 Material event 8-K filed (material event)accession 0001213900-26-054470Source: SEC EDGAR
- 2026-05-11 Filing language mdna changed in the 10-Qsection mdna · accession 0001213900-26-054473Source: SEC EDGAR (section comparison against the prior filing)
2026-05-12 +15.7% $10.18 to $11.78 filed events in the 5 days to 2026-05-12
- 2026-05-11 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.03 against an estimate of USD -0.05 · surprise +35.4%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-11 Periodic filing 10-Q filedaccession 0001213900-26-054473Source: SEC EDGAR
- 2026-05-11 Material event 8-K filed (material event)accession 0001213900-26-054470Source: SEC EDGAR
- 2026-05-11 Filing language mdna changed in the 10-Qsection mdna · accession 0001213900-26-054473Source: SEC EDGAR (section comparison against the prior filing)
2026-04-15 +15.9% $8.11 to $9.40 filed events in the 5 days to 2026-04-15

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.
2026-04-14 +11.6% $7.27 to $8.11 filed events in the 5 days to 2026-04-14

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 -10.0% $8.59 to $7.73 filed events in the 5 days to 2026-03-03
- 2026-03-02 Earnings Quarterly results reportedquarter ended 2025-12-31 · reported EPS USD -0.04 against an estimate of USD -0.04 · surprise +1.3%Source: SEC filing calendar + Yahoo earnings history
- 2026-03-02 Periodic filing 10-K filedaccession 0001213900-26-022417Source: SEC EDGAR
- 2026-03-02 Material event 8-K filed (material event)accession 0001213900-26-022316Source: SEC EDGAR
2026-02-06 +20.7% $7.81 to $9.43 filed events in the 5 days to 2026-02-06

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.
2026-02-05 -14.5% $9.13 to $7.81 filed events in the 5 days to 2026-02-05

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.
2025-12-22 +12.9% $10.89 to $12.29 filed events in the 5 days to 2025-12-22

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.
2025-12-04 +12.5% $12.07 to $13.58 filed events in the 5 days to 2025-12-04

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.
2025-11-24 +12.7% $10.20 to $11.49 filed events in the 5 days to 2025-11-24

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.
2025-11-20 -11.2% $11.56 to $10.27 filed events in the 5 days to 2025-11-20

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.
2025-11-04 -10.9% $15.38 to $13.71 filed events in the 5 days to 2025-11-04

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.
2025-10-31 +11.6% $14.97 to $16.71 filed events in the 5 days to 2025-10-31

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.
2025-10-16 -11.7% $21.23 to $18.74 filed events in the 5 days to 2025-10-16

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.
2025-10-13 +12.9% $19.01 to $21.46 filed events in the 5 days to 2025-10-13

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.
2025-10-10 -10.8% $21.32 to $19.01 filed events in the 5 days to 2025-10-10

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: QUANTUM COMPUTING INC (QUBT).

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