Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001381197-26-000143
Filing Date
2026-08-04
Accepted
2026-08-04 16:27:54
Documents
1
Period of Report
2026-07-31

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 4879
  Complete submission text file 0001381197-26-000143.txt   6270
Mailing Address ONE PICKWICK PLAZA GREENWICH CT 06830
Business Address ONE PICKWICK PLAZA GREENWICH CT 06830 203-618-5800
Interactive Brokers Group, Inc. (Issuer) CIK: 0001381197 (see all company filings)

EIN.: 300390693 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 6211 Security Brokers, Dealers & Flotation Companies
(CF Office: 09 Crypto Assets)

Mailing Address ONE PICKWICK PLAZA GREENWICH CT 06830
Business Address
Nemser Earl H (Reporting) CIK: 0001391400 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-33440 | Film No.: 261239167