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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001108565-21-000003
Filing Date
2021-10-20
Accepted
2021-10-20 12:28:12
Documents
1
Period of Report
2021-09-11

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 3  
1 PRIMARY DOCUMENT primary_doc.xml 3 3806
  Complete submission text file 0001108565-21-000003.txt   5279
Mailing Address 2200 ROSE AVENUE SUITE 4100 EAST DALLAS TX 75201
Business Address
WINSPEAR ROBERT L (Reporting) CIK: 0001108565 (see all company filings)

Type: 3 | Act: 34 | File No.: 000-55108 | Film No.: 211333248

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. (Issuer) CIK: 0001567900 (see all company filings)

IRS No.: 453598066 | State of Incorp.: NV | Fiscal Year End: 1231
SIC: 7371 Services-Computer Programming Services