---
schema_version: "secwatch.filing_event.v1"
accession: "0001381197-23-000011"
form_type: "8-K"
ticker: "IBKR"
cik: "0001381197"
company_name: "Interactive Brokers Group, Inc."
filed_at: "2023-02-02T23:59:59+00:00"
generated_at: "2026-06-20T02:06:38.397974+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Founder Peterffy adopts 10b5-1 plan to sell up to 20,000 IBKR shares daily

## Summary
- Thomas Peterffy may sell up to 20,000 shares/day of Class A common stock at market prices.
- Plan runs from Jan 28, 2023 until July 29, 2023, or until shares exhausted or plan terminated.
- Sales are for personal tax, diversification, and liquidity; Peterffy has no control over timing.
- Trades will be disclosed via SEC filings; plan complies with Rule 10b5-1 and Rule 144.

## SEC filing metadata
- accession: 0001381197-23-000011
- form_type: 8-K
- ticker: IBKR
- cik: 0001381197
- company_name: Interactive Brokers Group, Inc.
- filed_at: 2023-02-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1381197/000138119723000011/0001381197-23-000011-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1381197/000138119723000011/ibkr-20230128x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001381197-23-000011
- JSON: https://secwatch.observer/filing/0001381197-23-000011.json
- Plain text: https://secwatch.observer/filing/0001381197-23-000011.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.