SEC Form 4 · accession 0001381197-26-000143
Interactive Brokers Group, Inc. · IBKR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Earl H Nemser
Officer — Vice Chairman · Director
Period of report
Jul 31, 2026
Accepted (ET)
Aug 4, 2026 · 4:27 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001381197
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A common stockF1,F2 | Jul 31, 2026 | A | 803,568 | $87.99 | A | 803,568 | I | By EN Holdings LLC |
| Class A common stockF3 | holding | — | — | — | 429,344 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents number of securities acquired by a limited liability company, owned by the Reporting Person and his affiliates, in a partial redemption of its interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interests in IBG LLC.
- F2The per share price provided represents the closing price of the issuer's Class A common stock on 7/31/2026, the date when the exchange described in footnote (1) took place.
- F3This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan") and (b) unvested restricted stock units that were awarded under the Plan.