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PACIFIC BIOSCIENCES OF CALIFORNIA, INC.

Public company
Headquarters
MENLO PARK, California
Ticker
PACB
CIK
0001299130

WARN notices since 2024

3
First: Apr 29, 2024

Workers affected since 2024

249
Across 3 notices

Executive changes, last 12 months

3
3 appointments, 0 departures

Last event

Nov 4, 2026
Executive appointmentCFO appointed: Mark Van Oene

Workers affected over time

Cumulative workers in WARN notices since 2024

0100200300Jan '24May '24Sep '24Jan '25249

Leadership

Role and personSinceChange
CFOMark Van OeneNov 4, 2026Appointed
Chief Accounting OfficerBill MeyerNov 4, 2026Appointed
CEOMark Van OeneAug 5, 2026Appointed

Related companies

Same industry and state, with recent events.

  1. Executive appointment

    CFO appointed: Mark Van Oene

    Mark Van Oene was named interim Chief Financial Officer of PACIFIC BIOSCIENCES OF CALIFORNIA, INC., effective November 3, 2026. The company reported the change in an 8-K that cites Item 5.02.

    Role: interim Chief Financial Officer

    Source: SEC 8-K, filed Nov 4, 2026

  2. Executive appointment

    Chief Accounting Officer appointed: Bill Meyer

    Bill Meyer was named Chief Accounting Officer of PACIFIC BIOSCIENCES OF CALIFORNIA, INC., effective November 3, 2026. The company reported the change in an 8-K that cites Item 5.02.

    Role: Chief Accounting Officer

    Source: SEC 8-K, filed Nov 4, 2026

  3. Executive appointment

    CEO appointed: Mark Van Oene

    Mark Van Oene was named President and Chief Executive Officer of PACIFIC BIOSCIENCES OF CALIFORNIA, INC., effective August 5, 2026. Mark Van Oene succeeds Christian Henry. The company reported the change in an 8-K that cites Item 5.02.

    Role: President and Chief Executive Officer

    Source: SEC 8-K, filed Aug 5, 2026

  4. layoffs from Jun 8, 2025

    WARN notice

    WARN notice: CA

    Pacific Biosciences of California, Inc. filed a WARN notice with the California WARN list on Apr 9, 2025 covering 70 workers. The layoffs take effect on Jun 8, 2025.

    Site: CA

    Workers affected: 70

    Source: California WARN list, filed Apr 9, 2025

  5. layoffs from Jun 28, 2024

    WARN notice

    WARN notice: CA

    Pacific Biosciences of California, Inc. filed a WARN notice with the California WARN list on Apr 29, 2024 covering 71 workers. The layoffs take effect on Jun 28, 2024.

    Site: CA

    Workers affected: 71

    Source: California WARN list, filed Apr 29, 2024

  6. layoffs from Jun 28, 2024

    Plant closure

    Plant closure: CA

    Pacific Biosciences of California, Inc. filed a WARN notice with the California WARN list on Apr 29, 2024 covering 108 workers. The site closes on Jun 28, 2024.

    Site: CA

    Workers affected: 108

    Source: California WARN list, filed Apr 29, 2024

Last verified Nov 8, 2026