Form4insider filings, from the source

Insider · CIK 0001762420

John M. Damgard

Files at: IBKR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Dec 31, 2018 AForm 4 →Jan 3, 2019, 4:16 pm ESTInteractive Brokers Group, Inc.IBKR1,373——1,873— plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.