0000074303 2026-08-25 2026-08-25 0000074303 stpr:VA 2026-08-25 2026-08-25 OLIN Corp false 0000074303 8-K 2026-08-25 VA 1-1070 13-1872319 190 Carondelet Plaza Suite 1530 Clayton MO 63105 (314) 480-1400 false false false false Common Stock, $1.00 par value per share OLN NYSE false