secwatch / observer
PACB PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
CIK 0001299130 50 ready 8-Ks latest August 5, 2026, 4:23 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing August 5, 2026, 4:23 PM ET
Top materiality 0.85
Event mix earnings ×21 · leadership ×12 · other_material ×9
Sentiment 10 pos · 13 neg · 27 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for PACB

Executive changes

Appointed

Jim R. Gibson

Chief Financial Officer
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2025-03-31
Filed
March 27, 2025, 7:59 PM ET
On March 24, 2025, Pacific Biosciences of California, Inc. (the “Company”) entered into an offer letter with Jim R. Gibson to serve as its Chief Financial Officer. Mr. Gibson will be appointed as the Company’s Chief Financial Officer and principal financial officer effective as of as his first date of employment, which is anticipated to be March 31, 2025
Role change

Christian Henry

President and Chief Executive Officer
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2025-03-31
Successor
Jim R. Gibson
Filed
March 27, 2025, 7:59 PM ET
Christian Henry, the Company’s President and Chief Executive Officer, who has been serving also as the Company’s interim Chief Financial Officer and principal financial officer since December 6, 2024 will cease serving as interim Chief Financial Officer and principal financial officer upon commencement of Mr. Gibson’s employment but will continue serving as the Company’s President and Chief Executive officer.
Appointed

Christopher M. Smith

Class III Director
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2025-01-30
Filed
January 30, 2025, 6:59 PM ET
appointed Christopher M. Smith to serve as a Class III director effective January 30, 2025
Departed

David Meline

Director
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2025-01-30
Filed
January 30, 2025, 6:59 PM ET
David Meline, a member of the Board, notified the Company of his resignation from the Board, effective January 30, 2025
Departed

Jeff Eidel

Chief Commercial Officer
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2024-11-15
Filed
November 12, 2024, 6:59 PM ET
On November 11, 2024, Pacific Biosciences of California, Inc. (the “Company”) notified Jeff Eidel that, in connection with an internal restructuring of the commercial organization, he would separate from his position as the Chief Commercial Officer on November 15, 2024.
Departed

Susan Kim

Chief Financial Officer
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2024-12-06
Filed
November 7, 2024, 6:59 PM ET
On November 5, 2024, Susan Kim notified the Company that she is voluntarily resigning as Chief Financial Officer of the Company effective on December 6, 2024, to accept a position at another organization.
Departed

David Botstein

Director
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2023-12-07
Filed
December 11, 2023, 6:59 PM ET
On December 7, 2023, David Botstein, a member of the board of directors (the “Board”) of Pacific Biosciences of California, Inc. (the “Company”), notified the Company of his resignation from the Board, effective immediately.
Appointed

David Meline

Class II Director
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2023-10-13
Filed
October 16, 2023, 7:59 PM ET
On October 13, 2023, the Board (the “Board”) of Pacific Biosciences of California, Inc. (the “Company”) increased the size of the Board to ten directors and, upon the recommendation of its Corporate Governance and Nominating Committee, appointed David Meline to serve as a Class II director
Departed

Peter Fromen

Chief Commercial Officer
PACB · PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Effective
2022-05-20
Filed
May 17, 2022, 7:59 PM ET
On May 14, 2022, Peter Fromen, the Chief Commercial Officer of Pacific Biosciences of California, Inc. (the “Company”), notified the Company of his intention to resign, effective as of May 20, 2022, to pursue new opportunities.

Earnings & guidance

2026-Q1 EPS reported -$0.03 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event earnings

10 positive 13 negative 27 neutral

source · PACB on sec.gov