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Who

William Peterffy

Director

Company insider

Files Form 4 as: Director, Interactive Brokers Group.

Every Form 4 they filed

In numbers

Trades disclosed
9
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
1
Companies where not an officer
1
First trade
31 Dec 2020
Last trade
1 Jan 2026
Last filed
26 Jan 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
IBKR Interactive Brokers GroupDirector · Capital Markets & Asset Management · last 1 Jan 20260 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
1 Jan 2026filed 26 Jan 2026IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K389 at $64.31filing
1 Jan 2026filed 26 Jan 2026IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K389 at $64.31filing
31 Dec 2025filed 7 Jan 2026IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K389 at $64.31filing
31 Dec 2025filed 7 Jan 2026IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K389 at $64.31filing
31 Dec 2024filed 7 Jan 2025IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K142 at $176.67filing
31 Dec 2023filed 5 Jan 2024IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K302 at $82.90filing
31 Dec 2022filed 6 Jan 2023IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K346 at $72.35filing
31 Dec 2021filed 2 Feb 2022IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A$25K315 at $79.42filing
31 Dec 2020filed 7 Jan 2021IBKR Interactive Brokers GroupCapital Markets & Asset ManagementSEC FORM 4 Code A—1,232 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Lori A. ConklingDirector · Director at Interactive Brokers Group, filing Form 4 there in the last year
Earl H. NemserVice Chairman · Vice Chairman at Interactive Brokers Group, filing Form 4 there in the last year
Paul Jonathan BrodyChief Financial Officer · Chief Financial Officer at Interactive Brokers Group, filing Form 4 there in the last year
Milan GalikChief Executive Officer · Chief Executive Officer at Interactive Brokers Group, filing Form 4 there in the last year
Denis MendoncaChief Accounting Officer · Chief Accounting Officer at Interactive Brokers Group, filing Form 4 there in the last year