Insiders / Nemser Earl H
Nemser Earl H
CIK 1391400personinsider
Companies
1
First seen
Jan 7, 2026
Last activity
May 28, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Interactive Brokers Group Inc · IBKR | 429,344 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Interactive Brokers Group Inc | Class A common stock | 429,344 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jan 22, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $7.68M | -100K -25.00% | 300,000 0.07% of shares | medium |
| Jan 23, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $6.60M | -85K -28.31% | 215,065 0.05% of shares | medium |
| Jan 23, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $4.69M | -60K -27.93% | 155,000 0.03% of shares | medium |
| Jan 26, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $4.62M | -61K -39.28% | 94,118 0.02% of shares | medium |
| Jan 27, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $2.98M | -40K -66.00% | 20,469 <0.01% of shares | medium |
| Jan 26, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $2.36M | -31K -32.74% | 63,301 0.01% of shares | medium |
| May 8, 2026 | Other | IBKR Interactive Brokers Group Inc Class A common stock | $1.90M | -22K -4.98% | 429,344 0.09% of shares | low |
| Jan 27, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $1.55M | -20K -100.00% | 0 0.00% of shares | medium |
| Jan 26, 2026 | Sell | IBKR Interactive Brokers Group Inc Class A common stock | $241.8K | -3K -4.90% | 60,200 0.01% of shares | medium |
| Jan 1, 2026 | Grant | IBKR Interactive Brokers Group Inc Class A common stock | $25.0K | +389 +0.09% | 451,830 0.10% of shares | low |