Form4insider filings, from the source

Insider · CIK 0002067952

Lori A Conkling

Files at: IBKR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $6,740 · 3sales $0 · 0net $6,740
$10k$10k$100k$100k$1M$1MbuyssalesJun 30Jul 10Jul 21Aug 1Aug 11Aug 22Sep 2

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 PForm 4 →Sep 2, 4:01 pm EDTInteractive Brokers Group, Inc.IBKR25$94.53$2,3632,559+0.99%10b5-1
Aug 3, 2026 PForm 4 →Aug 4, 4:01 pm EDTInteractive Brokers Group, Inc.IBKR25$87.03$2,1762,534+1.00%10b5-1
Jul 1, 2026 PForm 4 →Jul 1, 4:01 pm EDTInteractive Brokers Group, Inc.IBKR25$88.03$2,2012,509+1.01%10b5-1

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.