(1) Every health care service contractor domiciled in this state shall file a report with the commissioner disclosing material acquisitions and dispositions of assets or material nonrenewals, cancellations, or revisions of ceded reinsurance agreements unless these acquisitions and dispositions of assets or material nonrenewals, cancellations, or revisions of ceded reinsurance agreements have been submitted to the commissioner for review, approval, or information purposes under other provisions of this title or other requirements.

(2) The report required in subsection (1) of this section is due within fifteen days after the end of the calendar month in which any of the transactions occur.

(3) One complete copy of the report, including any exhibits or other attachments filed as part of the report, shall be filed with the:

(a) Commissioner; and

(b) National association of insurance commissioners.

(4) All reports obtained by or disclosed to the commissioner under this section and RCW 48.44.535 through 48.44.555 are exempt from public inspection and copying and shall not be subject to subpoena. These reports shall not be made public by the commissioner, the national association of insurance commissioners, or any other person, except to insurance departments of other states, without the prior written consent of the health care service contractor to which it pertains unless the commissioner, after giving the health care service contractor that would be affected by disclosure notice and a hearing under chapter 48.04 RCW, determines that the interest of policyholders, subscribers, shareholders, or the public will be served by the publication, in which event the commissioner may publish all or any part of the report in the manner he or she deems appropriate.