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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001108565-22-000001
Filing Date
2022-05-23
Accepted
2022-05-23 10:15:27
Documents
1
Period of Report
2022-05-20

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_doc.html 4  
1 PRIMARY DOCUMENT primary_doc.xml 4 3175
  Complete submission text file 0001108565-22-000001.txt   4647
Mailing Address 2200 ROSE AVENUE SUITE 4100 EAST DALLAS TX 75201
Business Address
WINSPEAR ROBERT L (Reporting) CIK: 0001108565 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-41051 | Film No.: 22949906

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