0001031235 2026-06-16 2026-06-16 0001031235 false 8-K 2026-06-16 GLOBAL SELF STORAGE, INC. MD 001-12681 13-3926714 3814 Route 44 Millbrook NY 12545 (212) 785-0900 false false false false Common Stock, $0.01 par value SELF NASDAQ false