Updated Jul 16, 2026
Nemser Earl H has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $35.57M.
Earl H. Nemser is the Vice Chairman of Interactive Brokers Group, Inc., a prominent brokerage firm known for its automated trading services. He has been involved in various SEC filings related to the company, indicating his active role in corporate governance.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-28 | IBKR | Interactive Brokers Group, Inc. | F — Tax withholding / forfeiture | 22.5K | $84.42 | $1.90M |
| 2026-01-28 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 20.5K | $75.75 | $1.55M |
| 2026-01-28 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 39.7K | $75.07 | $2.98M |
| 2026-01-28 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 3.1K | $77.98 | $242K |
| 2026-01-28 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 30.8K | $76.72 | $2.36M |
| 2026-01-28 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 60.9K | $75.83 | $4.62M |
| 2026-01-26 | IBKR | Interactive Brokers Group, Inc. | A — Grant or award | 389 | $64.31 | $25K |
| 2026-01-07 | IBKR | Interactive Brokers Group, Inc. | A — Grant or award | 389 | $64.31 | $25K |
| 2026-01-07 | IBKR | Interactive Brokers Group, Inc. | A — Grant or award | 23.2K | $0.00 | |
| 2025-08-14 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 20.5K | $64.22 | $1.32M |
| 2025-08-14 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 33.4K | $63.86 | $2.13M |
| 2025-08-12 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 200 | $67.20 | $13K |
| 2025-08-12 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 2.4K | $66.77 | $160K |
| 2025-08-12 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 200 | $66.09 | $13K |
| 2025-08-12 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 200 | $64.19 | $13K |
| 2025-08-12 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 4.6K | $63.75 | $293K |
| 2025-08-12 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 41.1K | $67.88 | $2.79M |
| 2025-08-12 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 153.0K | $67.39 | $10.31M |
| 2025-08-08 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 12.8K | $66.09 | $849K |
| 2025-08-08 | IBKR | Interactive Brokers Group, Inc. | S — Open-market sale | 2.6K | $65.94 | $174K |
Earl H. Nemser is the Vice Chairman of Interactive Brokers Group, Inc., a prominent brokerage firm known for its automated trading services. He has been involved in various SEC filings related to the company, indicating his active role in corporate governance.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 31 open-market sales ($35.57M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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