UPSTREAM BIO INC (UPB) — large price moves
Health Care · NASDAQ
Single sessions where UPB 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.
Of the 11 moves listed, 2 have at least one filed event in the 5 days ending at the session, and 9 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
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2026-06-09 -20.1% $8.37 to $6.69 filed events in the 5 days to 2026-06-09
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.
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2026-03-27 -11.4% $9.79 to $8.67 filed events in the 5 days to 2026-03-27
- 2026-03-26 Earnings Quarterly results reportedquarter ended 2025-12-31 · reported EPS USD -0.78 against an estimate of USD -0.70 · surprise -11.6%Source: SEC filing calendar + Yahoo earnings history
- 2026-03-26 Periodic filing 10-K filedaccession 0001193125-26-126188Source: SEC EDGAR
- 2026-03-26 Material event 8-K filed (material event)accession 0001193125-26-125057Source: SEC EDGAR
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2026-03-25 +12.1% $8.45 to $9.47 filed events in the 5 days to 2026-03-25
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.
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2026-03-18 -10.8% $9.71 to $8.67 filed events in the 5 days to 2026-03-18
- 2026-03-16 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $7,915Source: SEC Form 4
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2026-03-11 +15.3% $8.12 to $9.36 filed events in the 5 days to 2026-03-11
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.
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2026-02-13 -31.6% $12.80 to $8.75 filed events in the 5 days to 2026-02-13
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.
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2026-02-12 -12.9% $14.69 to $12.80 filed events in the 5 days to 2026-02-12
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.
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2026-02-11 -47.2% $27.81 to $14.69 filed events in the 5 days to 2026-02-11
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.
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2026-02-05 -11.5% $29.38 to $26.00 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.
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2025-12-02 -13.7% $28.98 to $25.01 filed events in the 5 days to 2025-12-02
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.
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2025-11-25 +10.7% $26.05 to $28.83 filed events in the 5 days to 2025-11-25
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: UPSTREAM BIO INC (UPB).
Informational only — NOT financial advice. Price moves are computed from stored daily closes; filed events come from their own sources with their own dates.