Form 8-K Filing by ProPhase Labs, Inc.

ProPhase Labs, Inc. has filed a Form 8-K to report the replacement of its legal counsel and the submission of a new opinion of counsel. This new opinion supersedes a previous one filed on October 15, 2025, as part of the Company's prospectus supplement on Form S-3. The filing indicates that the company has retained new counsel and is submitting a replacement opinion of counsel under Item 9.01, which replaces the prior opinion filed under Item 5.1. The exhibit section lists the new Opinion of Counsel (including consent) as Exhibit 5.1. The filing is dated December 19, 2025, with the earliest event reported on December 12, 2025. The company's common stock is traded on the Nasdaq Capital Markets under the symbol PRPH.