Companies / Interactive Brokers Group Inc / Activity
Activity — Interactive Brokers Group Inc
44 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| May 8, 2026 | Galik Milan CEO | Other | Class A common stock | $21.53M | -255K -7.35% | 3,215,389 0.71% of shares | low |
| Jan 22, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $7.68M | -100K -25.00% | 300,000 0.07% of shares | medium |
| May 8, 2026 | Brody Paul Jonathan Executive | Other | Class A common stock | $7.00M | -83K -2.82% | 2,856,806 0.63% of shares | low |
| Jan 23, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $6.60M | -85K -28.31% | 215,065 0.05% of shares | medium |
| Jan 23, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $4.69M | -60K -27.93% | 155,000 0.03% of shares | medium |
| Jan 26, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $4.62M | -61K -39.28% | 94,118 0.02% of shares | medium |
| Jan 27, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $2.98M | -40K -66.00% | 20,469 <0.01% of shares | medium |
| May 8, 2026 | Frank Thomas AJ Executive | Other | Class A common stock | $2.68M | -32K -11.20% | 251,518 0.06% of shares | low |
| Jan 26, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $2.36M | -31K -32.74% | 63,301 0.01% of shares | medium |
| Apr 28, 2026 | Harris Lawrence E Director | Sell | Class A common stock | $2.00M | -26K -13.03% | 173,482 0.04% of shares | medium |
| May 8, 2026 | Nemser Earl H Executive | Other | Class A common stock | $1.90M | -22K -4.98% | 429,344 0.09% of shares | low |
| Jan 27, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $1.55M | -20K -100.00% | 0 0.00% of shares | medium |
| May 8, 2026 | Mendonca Denis Executive | Other | Class A common stock | $941.9K | -11K -7.14% | 145,071 0.03% of shares | low |
| Jan 26, 2026 | Nemser Earl H Executive | Sell | Class A common stock | $241.8K | -3K -4.90% | 60,200 0.01% of shares | medium |
| Jan 1, 2026 | Yuen Nicole Director | Grant | Class A common stock | $25.0K | +389 +4.00% | 10,126 <0.01% of shares | low |
| Dec 31, 2025 | Yuen Nicole Director | Grant | Class A common stock | $25.0K | +389 +4.16% | 9,737 <0.01% of shares | low |
| Jan 1, 2026 | Peterffy William Director | Grant | Class A common stock | $25.0K | +389 +4.00% | 10,126 <0.01% of shares | low |
| Dec 31, 2025 | Peterffy William Director | Grant | Class A common stock | $25.0K | +389 +4.16% | 9,737 <0.01% of shares | low |
| Jan 1, 2026 | Bright Jill Director | Grant | Class A common stock | $25.0K | +389 +3.64% | 11,082 <0.01% of shares | low |
| Dec 31, 2025 | Bright Jill Director | Grant | Class A common stock | $25.0K | +389 +3.78% | 10,693 <0.01% of shares | low |
| Jan 1, 2026 | Harris Lawrence E Director | Grant | Class A common stock | $25.0K | +389 +0.20% | 199,482 0.04% of shares | low |
| Dec 31, 2025 | Harris Lawrence E Director | Grant | Class A common stock | $25.0K | +389 +0.20% | 199,093 0.04% of shares | low |
| Jan 1, 2026 | Galik Milan CEO | Grant | Class A common stock | $25.0K | +389 +0.01% | 3,470,428 0.77% of shares | low |
| Dec 31, 2025 | Galik Milan CEO | Grant | Class A common stock | $25.0K | +389 +0.01% | 3,470,039 0.77% of shares | low |
| Jan 1, 2026 | Brody Paul Jonathan Executive | Grant | Class A common stock | $25.0K | +389 +0.01% | 2,939,726 0.65% of shares | low |
| Dec 31, 2025 | Brody Paul Jonathan Executive | Grant | Class A common stock | $25.0K | +389 +0.01% | 2,939,337 0.65% of shares | low |
| Jan 1, 2026 | Nemser Earl H Executive | Grant | Class A common stock | $25.0K | +389 +0.09% | 451,830 0.10% of shares | low |
| Dec 31, 2025 | Nemser Earl H Executive | Grant | Class A common stock | $25.0K | +389 +0.09% | 451,441 0.10% of shares | low |
| Jan 1, 2026 | Conkling Lori A Director | Grant | Class A common stock | $25.0K | +389 +20.00% | 2,334 <0.01% of shares | low |
| Jan 1, 2026 | Repetto Richard H Director | Grant | Class A common stock | $25.0K | +389 +14.64% | 3,046 <0.01% of shares | low |
| Dec 31, 2025 | Repetto Richard H Director | Grant | Class A common stock | $25.0K | +389 +17.15% | 2,657 <0.01% of shares | low |
| Dec 31, 2025 | Conkling Lori A Director | Grant | Class A common stock | $25.0K | +389 +33.33% | 1,556 <0.01% of shares | low |
| Feb 25, 2026 | Conkling Lori A Director | Buy | Class A common stock | $3.7K | +50 +2.14% | 2,384 <0.01% of shares | low |
| Jun 1, 2026 | Conkling Lori A Director | Buy | Class A common stock | $2.2K | +25 +1.02% | 2,484 <0.01% of shares | low |
| May 1, 2026 | Conkling Lori A Director | Buy | Class A common stock | $2.0K | +25 +1.03% | 2,459 <0.01% of shares | low |
| Mar 2, 2026 | Conkling Lori A Director | Buy | Class A common stock | $1.7K | +25 +1.05% | 2,409 <0.01% of shares | low |
| Apr 1, 2026 | Conkling Lori A Director | Buy | Class A common stock | $1.7K | +25 +1.04% | 2,434 <0.01% of shares | low |
| Dec 31, 2025 | Mendonca Denis Executive | Grant | Class A common stock | $0 | +11K +7.69% | 156,228 0.03% of shares | low |
| Dec 31, 2025 | Galik Milan CEO | Grant | Class A common stock | $0 | +225K +6.92% | 3,469,650 0.77% of shares | low |
| Dec 31, 2025 | Brody Paul Jonathan Executive | Grant | Class A common stock | $0 | +53K +1.85% | 2,938,948 0.65% of shares | low |
| Dec 31, 2025 | Frank Thomas AJ Executive | Grant | Class A common stock | $0 | +14K +5.18% | 283,248 0.06% of shares | low |
| Dec 31, 2025 | Nemser Earl H Executive | Grant | Class A common stock | $0 | +23K +5.43% | 451,052 0.10% of shares | low |
| Dec 31, 2025 | Conkling Lori A Director | Grant | Class A common stock | $0 | +389 +25.00% | 1,945 <0.01% of shares | low |
| Dec 31, 2025 | Conkling Lori A Director | Grant | Class A common stock | $0 | +1K | 1,167 <0.01% of shares | low |