0001058811 2026-10-07 2026-10-07 0001058811 us-gaap:SeriesBMember 2026-04-06 2026-04-06 0001058811 2026-04-06 2026-04-06 0001058811 us-gaap:CommonStockMember 2026-04-06 2026-04-06 false 0001058811 8-K 2026-10-07 IMMERSION CORPORATION DE 001-38334 94-3180138 2999 N.E. 191st Street, Suite 610 Aventura FL 33180 408 467-1900 false false false false Common Stock, $0.001 par value per share IMMR NASDAQ Series C Junior Participating Preferred Stock Purchase Rights false