ProPhase Labs (PRPH) Implements 1-for-10 Reverse Stock Split to Meet Listing Standards 12 Dec 2025 SEC Filing 8-K $PRPH ProPhase Labs (PRPH) Implements 1-for-10 Reverse Stock Split to Meet Listing Standards ProPhase Labs (PRPH) executed a 1-for-10 reverse stock split effective December 22, 2025, to regain compliance with Nasdaq listing requirements.