Nemser Earl H

Vice Chairman, DirectorInteractive Brokers Group, Inc. (IBKR) · full profile →Form 4 · filed Aug 12, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.7M
Net Open-Market Flow
-$1.7M
Transactions
3
3 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 11, 2025Sell(S)13K$66.09$849K656K
Aug 8, 2025Sell(S)3K$65.94$174K668K
Aug 8, 2025Sell(S)10K$65.60$669K671K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001381197-25-000109) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

Build

Ask your agent about IBKR insider filings

This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/filing/0001381197-25-000109"
Ask your agent
Use Arkolith to summarize insider buying and selling at Interactive Brokers Group, Inc.
over the last 90 days and cite the filings.