0000851310 2025-12-08 2025-12-08 false 0000851310 8-K 2025-12-08 HARMONIC INC. DE 000-25826 77-0201147 2590 Orchard Parkway San Jose CA 95131 (408) 542-2500 false false false false Common Stock, par value $0.001 per share HLIT NASDAQ false