CIPHERGEN BIOSYSTEMS INC

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

FY: Dec 31 2022

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Submission of Matters to a Vote of Security Holders

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Regulation FD Disclosure

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Other Events

Entry into a Material Definitive Agreement

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Rule 506(b) provides a "safer harbor" for a private offering

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration (IPO) statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

Rule 506(b) provides a "safer harbor" for a private offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Notice of Effectiveness

Prospectus Supplement for Primary Offering

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

<ITEMS>06b

Withdrawal of a registration statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Free Writing Prospectus

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Required Information in Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

No description available

Preliminary Proxy Statement

Required Information in Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Strahley John

Strahley John

Strahley John

Strahley John

SCHULER JACK W

SCHULER JACK W

cohen Jeffrey k

cohen Jeffrey k

Fraser John D

Hundorfean Cynthia D

Fraser John D

Parnell Winfred

Beausang Ellen

cohen Jeffrey k

Wood Jane Pine

Fraser John D

SCHULER JACK W

cohen Jeffrey k

SCHULER JACK W

Hungerford Brian

Annual Report Scanned (Paper)

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual Report Scanned (Paper)

Annual Report Scanned (Paper)

Correspondence with the SEC

Letter from the SEC