Interactive Brokers Group Inc.
Organization details
- Legal name
- Interactive Brokers Group Inc.
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Financials
- SIC code
- 6211 — Security Brokers, Dealers & Flotation Companies
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Greenwich
- Headquarters state / province
- Connecticut
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- IBKR
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001381197
- EIN
- 30-0390693
Board of directors
-
Earl H. Nemser · Director · Vice ChairmanSince 2023
-
Gary Katz · DirectorSince 2023
-
Jill Bright · DirectorSince 2023
-
Lawrence E. Harris · DirectorSince 2023
-
Lori A. Conkling · DirectorSince 2025
-
Milan Galik · Director · Chief Executive OfficerSince 2023
-
Nicole Yuen · DirectorSince 2023
-
Paul Jonathan Brody · Director · Chief Financial OfficerSince 2023
-
Philip Uhde · DirectorSince 2023
-
Richard H. Repetto · DirectorSince 2024
-
Thomas Peterffy · Director · ChairmanSince 2023
-
William Peterffy · DirectorSince 2023
Chief executives
Director election results
Annual meeting of April 23, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
86.5%
-
88.0%
-
88.1%
-
92.6%
-
93.7%
-
96.0%
-
98.6%
-
99.8%
-
99.8%
-
99.8%
Board connections
2 of this board's directors also sit on 2 other boards. 1 is in the same sector.
- via Jill Bright
-
Tradeweb Markets Inc. Same sectorvia Richard H. Repetto
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $22,080
- 10 purchases by 1 insider
- Sold, last 12 months
- $34,791,023
- 10 sales by 2 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 2, 2026 | Lori A. Conkling Director | Open-market purchase | +25 | $78.44 | $1,961 |
| Oct 28, 2026 | Lawrence E. Harris Director | Open-market sale | −25,000 | $82.61 | $2,065,250 |
| Oct 1, 2026 | Lori A. Conkling Director | Open-market purchase | +25 | $85.42 | $2,136 |
| Sep 1, 2026 | Lori A. Conkling Director | Open-market purchase | +25 | $94.53 | $2,363 |
| Aug 3, 2026 | Lori A. Conkling Director | Open-market purchase | +25 | $87.03 | $2,176 |
| Jul 31, 2026 | Earl H. Nemser Director, Officer (Vice Chairman) | Grant or award | +803,568 | $87.99 | $70,705,948 |
| Jul 1, 2026 | Lori A. Conkling Director | Open-market purchase | +25 | $88.03 | $2,201 |
| Jun 1, 2026 | Lori A. Conkling Director | Open-market purchase | +25 | $86.10 | $2,153 |
| May 8, 2026 | Paul Jonathan Brody Director, Officer (Chief Financial Officer) | Shares withheld for tax | −82,920 | $84.42 | $7,000,106 |
| May 8, 2026 | Mendonca Denis Officer (Chief Accounting Officer) | Shares withheld for tax | −11,157 | $84.42 | $941,874 |
| May 8, 2026 | Milan Galik Director, Officer (Chief Executive Officer) | Shares withheld for tax | −255,039 | $84.42 | $21,530,392 |
| May 8, 2026 | Frank Thomas AJ Officer (Executive Vice President) | Shares withheld for tax | −31,730 | $84.42 | $2,678,647 |
| May 8, 2026 | Earl H. Nemser Director, Officer (Vice Chairman) | Shares withheld for tax | −22,486 | $84.42 | $1,898,268 |
| May 1, 2026 | Lori A. Conkling Director | Open-market purchase | +25 | $79.64 | $1,991 |
| Apr 28, 2026 | Lawrence E. Harris Director | Open-market sale | −26,000 | $76.93 | $2,000,180 |
Peers
Compare boardsOrganizations in the same sector, closest in location and size first.
Questions about Interactive Brokers Group Inc.
Who is the CEO of Interactive Brokers Group Inc.?
Milan Galik is Interactive Brokers Group Inc.'s Chief Executive Officer.
How many directors are on Interactive Brokers Group Inc.'s board?
Interactive Brokers Group Inc.'s board has 12 directors: Earl H. Nemser, Gary Katz, Jill Bright, Lawrence E. Harris, Lori A. Conkling, Milan Galik, Nicole Yuen, Paul Jonathan Brody, Philip Uhde, Richard H. Repetto and 2 others.
Are Interactive Brokers Group Inc. insiders buying or selling shares?
Over the last 12 months, Interactive Brokers Group Inc. insiders bought $22,080 of shares in 10 purchases and sold $34.8 million of shares in 10 sales on the open market, as reported to the SEC on Forms 4 and 5.
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