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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-20-007802
Filing Date
2020-04-16
Accepted
2020-04-15 21:13:51
Documents
57
Period of Report
2019-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K blkbx20191231_10k.htm 10-K 708928
2 EXHIBIT 4.1 ex_181046.htm EX-4.1 8133
3 EXHIBIT 31.1 ex_181042.htm EX-31.1 11707
4 EXHIBIT 31.2 ex_181043.htm EX-31.2 11686
5 EXHIBIT 32.1 ex_181044.htm EX-32.1 5549
6 EXHIBIT 32.2 ex_181047.htm EX-32.2 5549
  Complete submission text file 0001437749-20-007802.txt   3505130

Data Files

Seq Description Document Type Size
7 XBRL INSTANCE DOCUMENT blbx-20191231.xml EX-101.INS 398018
8 XBRL TAXONOMY EXTENSION SCHEMA blbx-20191231.xsd EX-101.SCH 45836
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE blbx-20191231_cal.xml EX-101.CAL 34589
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE blbx-20191231_def.xml EX-101.DEF 331912
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE blbx-20191231_lab.xml EX-101.LAB 279680
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE blbx-20191231_pre.xml EX-101.PRE 352386
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.: 20794926
SIC: 7371 Services-Computer Programming Services