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Nemser Earl H's Form 4 filing

Interactive Brokers Group, Inc. (IBKR) · filed Aug 4, 2026

Accession no.
0001381197-26-000143
Filed
Aug 4, 2026, 4:27 PM ET
Trade date
Jul 31, 2026
Filing delay
4 days
Rule 10b5-1 plan
Not checked

This filing lists 1 non-derivative transaction. It was filed 4 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Nemser Earl HCIK 0001391400Director, Officer (Vice Chairman)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jul 31, 2026Class A common stockAGrant or awardAcquired+803,568$87.99F2+$70,705,948.32803,568Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F2

The 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.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)