Form S-1MEF - Registration adding securities to prior Form S-1 registration [Rule 462(b)]:
SEC Accession No. 0001437749-21-026000
Filing Date
2021-11-10
Accepted
2021-11-10 06:05:45
Documents
6
Effectiveness Date
2021-11-10

Document Format Files

Seq Description Document Type Size
1 FORM S-1MEF blkbx20211109_s1mef.htm S-1MEF 42317
2 EXHIBIT 5.1 ex_305419.htm EX-5.1 9092
3 EXHIBIT 23.1 ex_305420.htm EX-23.1 5920
4 a01.jpg GRAPHIC 6542
5 a02.jpg GRAPHIC 3011
6 ex_305419img001.jpg GRAPHIC 3931
  Complete submission text file 0001437749-21-026000.txt   77391
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)

EIN.: 453598066 | State of Incorp.: NV | Fiscal Year End: 1231
Type: S-1MEF | Act: 33 | File No.: 333-260941 | Film No.: 211394247
SIC: 7371 Services-Computer Programming Services