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PACIFIC BIOSCIENCES OF CALIFORNIA (PACB) — large price moves

Health Care · NASDAQ

Single sessions where PACB 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, 8 have at least one filed event in the 5 days ending at the session, and 12 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

  • 2026-10-08 -15.4% $2.72 to $2.30 filed events in the 5 days to 2026-10-08
    • 2026-10-06 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $2,056,921Source: SEC Form 4
  • 2026-10-05 +13.0% $2.54 to $2.87 filed events in the 5 days to 2026-10-05
    • 2026-10-04 Analyst consensus Consensus price target moved downconsensus target $2.29 to $2.16 · between snapshots 2026-09-06 and 2026-10-04 · 7 analystsSource: Analyst consensus snapshots
  • 2026-09-30 +29.5% $1.83 to $2.37 filed events in the 5 days to 2026-09-30
    • 2026-09-27 Analyst consensus Consensus price target moved downconsensus target $2.29 to $2.16 · between snapshots 2026-09-06 and 2026-09-27 · 7 analystsSource: Analyst consensus snapshots
  • 2026-09-24 +12.1% $1.41 to $1.58 filed events in the 5 days to 2026-09-24
    • 2026-09-20 Analyst consensus Consensus price target moved downconsensus target $2.29 to $2.16 · between snapshots 2026-08-30 and 2026-09-20 · 7 analystsSource: Analyst consensus snapshots
  • 2026-08-25 +18.8% $1.28 to $1.52 filed events in the 5 days to 2026-08-25
    • 2026-08-23 Analyst consensus Consensus price target moved downconsensus target $2.46 to $2.29 · between snapshots 2026-07-31 and 2026-08-23 · 6 analystsSource: Analyst consensus snapshots
  • 2026-08-19 +11.4% $1.14 to $1.27 filed events in the 5 days to 2026-08-19
    • 2026-08-15 Analyst consensus Consensus price target moved downconsensus target $2.46 to $2.29 · between snapshots 2026-07-31 and 2026-08-15 · 6 analystsSource: Analyst consensus snapshots
    • 2026-08-17 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $30,409Source: SEC Form 4
  • 2026-08-06 -10.4% $1.30 to $1.17 filed events in the 5 days to 2026-08-06
    • 2026-08-05 Earnings Quarterly results reportedquarter ended 2026-06-30 · reported EPS USD -0.14 against an estimate of USD -0.13 · surprise -10.4%Source: SEC filing calendar + Yahoo earnings history
    • 2026-08-05 Material event 8-K filed (material event)accession 0001299130-26-000117Source: SEC EDGAR
    • 2026-08-06 Periodic filing 10-Q filedaccession 0001299130-26-000122Source: SEC EDGAR
  • 2026-06-25 +11.1% $1.44 to $1.60 filed events in the 5 days to 2026-06-25

    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.

  • 2026-06-05 -11.0% $1.63 to $1.45 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.

  • 2026-05-28 +13.9% $1.29 to $1.47 filed events in the 5 days to 2026-05-28

    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.

  • 2026-05-08 -14.6% $1.65 to $1.41 filed events in the 5 days to 2026-05-08
    • 2026-05-07 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.12 against an estimate of USD -0.13 · surprise +8.7%Source: SEC filing calendar + Yahoo earnings history
    • 2026-05-07 Material event 8-K filed (material event)accession 0001299130-26-000076Source: SEC EDGAR
    • 2026-05-08 Periodic filing 10-Q filedaccession 0001299130-26-000081Source: SEC EDGAR
    • 2026-05-08 Filing language risk_factors changed in the 10-Qsection risk_factors · accession 0001299130-26-000081Source: SEC EDGAR (section comparison against the prior filing)
    • 2026-05-08 Filing language mdna changed in the 10-Qsection mdna · accession 0001299130-26-000081Source: SEC EDGAR (section comparison against the prior filing)
  • 2026-02-05 -12.1% $1.95 to $1.72 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.

  • 2026-01-22 +10.3% $2.42 to $2.67 filed events in the 5 days to 2026-01-22

    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.

  • 2026-01-14 +10.8% $2.13 to $2.36 filed events in the 5 days to 2026-01-14

    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.

  • 2025-11-24 +12.6% $2.22 to $2.50 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.

  • 2025-11-21 +18.1% $1.88 to $2.22 filed events in the 5 days to 2025-11-21

    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.

  • 2025-11-04 -10.7% $2.24 to $2.00 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 +20.6% $1.94 to $2.34 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.

  • 2025-10-20 +20.7% $1.64 to $1.98 filed events in the 5 days to 2025-10-20

    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.

  • 2025-10-13 +14.1% $1.42 to $1.62 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.

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.

Ask the chat about PACB's filings →

See the full company profile: PACIFIC BIOSCIENCES OF CALIFORNIA (PACB).

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