0001078782-17-000576 NT 10-K 1 20170131 20170501 20170501 20170501 APT Systems Inc 0001543739 8742 990370904 DE 0131 NT 10-K 34 000-54865 17800982 505 MONTGOMERY STREET 11TH FLOOR SAN FRANCISCO CA 94111 (415)-200-1105 505 MONTGOMERY STREET 11TH FLOOR SAN FRANCISCO CA 94111 NT 10-K 1 nt10k013117_nt10k.htm FORM 12B-25 NOTICE OF LATE FILING