Thomas Peterffy

CIK 1391405 · Chairman · last filed 2025-02-24

Thomas Peterffy is a Chairman who has filed 254 SEC Form 4 insider transactions across 1 company since 2015. The most recent filing, for IBKR, was dated Feb 24, 2025. Across all open-market trades the lifetime net is −$632.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $137.7M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$137.68M

Companies

1

Total Filings

254

Lifetime Open-Market Net

-$632.48M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
IBKR Chairman 1,516,182 $90.81 $137.68M -$632.48M 254 2025-02-24

Recent Filings

254 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-02-24 IBKR Gift (G) −6,447 $0 EDGAR
2025-02-20 IBKR Gift (G) −90,297 $0 EDGAR
2024-10-02 IBKR Gift (G) −79,975 $0 EDGAR
2024-04-25 IBKR Other (J) +62,296 $7.14M EDGAR
2023-01-30 IBKR Sell (S) −40,000 -$3.13M EDGAR
2023-01-26 IBKR Sell (S) −40,000 -$3.15M EDGAR
2023-01-24 IBKR Sell (S) −40,000 -$3.15M EDGAR
2023-01-20 IBKR Sell (S) −40,000 -$3.18M EDGAR
2023-01-18 IBKR Sell (S) −40,000 -$3.06M EDGAR
2023-01-13 IBKR Sell (S) −25,500 -$1.93M EDGAR
Showing 110 of 254
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.