Quantum-Si Inc (QSI) — large price moves

Health Care · NASDAQ

Single sessions where QSI 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 15 moves listed, 2 have at least one filed event in the 5 days ending at the session, and 13 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

2026-10-16 -14.5% $1.31 to $1.12 filed events in the 5 days to 2026-10-16

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.
2026-10-12 -11.1% $1.53 to $1.36 filed events in the 5 days to 2026-10-12

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.
2026-10-09 +25.4% $1.22 to $1.53 filed events in the 5 days to 2026-10-09

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.
2026-10-05 -17.4% $1.55 to $1.28 filed events in the 5 days to 2026-10-05

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.
2026-10-01 +33.6% $1.07 to $1.43 filed events in the 5 days to 2026-10-01

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.
2026-09-30 +11.7% $0.958 to $1.07 filed events in the 5 days to 2026-09-30

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.
2026-09-29 +20.5% $0.795 to $0.958 filed events in the 5 days to 2026-09-29

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.
2026-08-25 +10.1% $0.769 to $0.847 filed events in the 5 days to 2026-08-25
- 2026-08-23 Analyst consensus Consensus price target moved downconsensus target $2.50 to $2.30 · between snapshots 2026-07-31 and 2026-08-23 · 3 analystsSource: Analyst consensus snapshots
2026-06-05 -11.8% $1.19 to $1.05 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 +13.0% $0.876 to $0.99 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.
2026-04-30 +13.4% $0.865 to $0.981 filed events in the 5 days to 2026-04-30

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.
2026-04-23 -11.2% $1.06 to $0.941 filed events in the 5 days to 2026-04-23
- 2026-04-20 Insider trade Open-market sale reported by an insider2 transactions · 2 insiders · $121,869Source: SEC Form 4
- 2026-04-21 Insider trade Open-market sale reported by an insider2 transactions · 2 insiders · $120,488Source: SEC Form 4
2026-04-15 +24.9% $0.841 to $1.05 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.
2026-03-10 +12.3% $0.926 to $1.04 filed events in the 5 days to 2026-03-10

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.
2026-02-06 +14.3% $0.932 to $1.07 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.

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-Si Inc (QSI).

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