Interactive Brokers Group, Inc.

IBKR·NASDAQ·$82.89Share Price as of 11/2·$143BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/07/26 10-K/AFY 202503/31/26 10-KFY 202502/27/26 10-QQ3 ended 09/30/2511/05/25

Disclosures

8-KCurrent report10/15/26 8-KCurrent report07/31/26 8-KCurrent report07/31/26 8-KCurrent report07/21/26 8-KCurrent report04/29/26

Prospectuses and Registrations

424B5Prospectus supplement07/31/26 424B5Prospectus supplement07/31/26 S-3ASRAutomatic shelf registration07/31/26 424B5Prospectus supplement07/30/25 424B5Prospectus supplement07/25/24

Proxies

DEF 14ADefinitive proxy03/11/26 DEFA14AAdditional proxy materials03/11/26 DEF 14ADefinitive proxy03/06/25 DEFA14AAdditional proxy materials03/06/25 DEF 14ADefinitive proxy03/06/24

Ownership

Form 4Insider transaction10/29/26 Form 4Insider transaction10/05/26 Form 4Insider transaction09/02/26 Form 4Insider transaction08/04/26 Form 4Insider transaction08/04/26

Other

ARSAnnual report to shareholders03/11/26 DEF 14CDefinitive information statement05/12/25 PRE 14CPRE 14C05/02/25 ARSAnnual report to shareholders03/06/25 ARSAnnual report to shareholders03/06/24