InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Peterffy William, Director. Director active across 1 company, notably Interactive Brokers Group, Inc.. In total, 6 reports have been logged. Activity tracked since 31 December 2021. The latest transaction was filed on 1 January 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Peterffy William
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations6 total
389 shares@ US$64.3115.8% of flowClass A common stockSEC:0001381197-26-000055:0
389 shares@ US$64.3115.8% of flowClass A common stockSEC:0001381197-26-000019:0
142 shares@ US$176.6721.1% of flowClass A common stockSEC:0001381197-25-000023:0
302 shares@ US$82.9019.8% of flowClass A common stockSEC:0001381197-24-000033:0
346 shares@ US$72.3520.5% of flowClass A common stockSEC:0001567619-23-000694:0
315 shares@ US$79.4216.4% of flowClass A common stockSEC:0001567619-22-002368:0
6 of 6 declarations
About Peterffy William
Peterffy William is Administrateur at Interactive Brokers Group, Inc. (XNAS). He has 6 filings in total, and across the 6 sampled recent filings the modal transaction nature is Attribution, with buy and sell amounts of EUR 0 over the period from 2022-02-02 to 2026-01-26.
