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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001010549-19-000088
Filing Date
2019-04-19
Accepted
2019-04-18 18:51:06
Documents
43
Period of Report
2018-12-31

Document Format Files

Seq Description Document Type Size
1 blackbox10k.htm 10-K 617558
  Complete submission text file 0001010549-19-000088.txt   1930303

Data Files

Seq Description Document Type Size
2 XBRL INSTANCE FILE blbx-20181231.xml EX-101.INS 156496
3 XBRL SCHEMA FILE blbx-20181231.xsd EX-101.SCH 25400
4 XBRL CALCULATION FILE blbx-20181231_cal.xml EX-101.CAL 37861
5 XBRL DEFINITION FILE blbx-20181231_def.xml EX-101.DEF 63404
6 XBRL LABEL FILE blbx-20181231_lab.xml EX-101.LAB 165036
7 XBRL PRESENTATION FILE blbx-20181231_pre.xml EX-101.PRE 136423
Mailing Address 5430 LBJ FREEWAY SUITE 1485 DALLAS TX 75240
Business Address 5430 LBJ FREEWAY SUITE 1485 DALLAS TX 75240 972-726-9203
BLACKBOXSTOCKS INC. (Filer) CIK: 0001567900 (see all company filings)

IRS No.: 453598066 | State of Incorp.: NV | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-55108 | Film No.: 19756868
SIC: 7371 Services-Computer Programming Services