Earl H. Nemser
CIK: 0001391400
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Interactive Brokers Group, Inc.
Discretionary Trading P&L
Holdings
Transaction History (46 total)
- Jul 31, 2026IBKR
Interactive Brokers Group, Inc.
Award(A)Indirect803.6K shares at avg. $87.99$70.7M - May 8, 2026IBKR
Interactive Brokers Group, Inc.
Tax Payment(F)Direct22.5K shares at avg. $84.42$1.9M - Jan 27, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect39.7K shares at avg. $75.07$3.0M - Jan 27, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect20.5K shares at avg. $75.75$1.6M - Jan 26, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect60.9K shares at avg. $75.83$4.6M - Jan 26, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect30.8K shares at avg. $76.72$2.4M - Jan 26, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect3.1K shares at avg. $77.98$242K - Jan 23, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect84.9K shares at avg. $77.65$6.6M - Jan 23, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect60.1K shares at avg. $78.14$4.7M - Jan 22, 2026IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect100K shares at avg. $76.81$7.7M - Jan 1, 2026IBKR
Interactive Brokers Group, Inc.
Award(A)Direct389 shares at avg. $64.31$25K - Dec 31, 2025IBKR
Interactive Brokers Group, Inc.
Award(A)Direct23.2K shares- - Dec 31, 2025IBKR
Interactive Brokers Group, Inc.
Award(A)Direct389 shares at avg. $64.31$25K - Aug 14, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect20.5K shares at avg. $64.22$1.3M - Aug 14, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect33.4K shares at avg. $63.86$2.1M - Aug 13, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect2.4K shares at avg. $66.77$160K - Aug 13, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect200 shares at avg. $67.20$13K - Aug 13, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect200 shares at avg. $64.19$13K - Aug 13, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect4.6K shares at avg. $63.75$293K - Aug 13, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect200 shares at avg. $66.09$13K - Aug 12, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect153K shares at avg. $67.39$10.3M - Aug 12, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect41.1K shares at avg. $67.88$2.8M - Aug 11, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect12.8K shares at avg. $66.09$849K - Aug 8, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect10.2K shares at avg. $65.60$669K - Aug 8, 2025IBKR
Interactive Brokers Group, Inc.
Sale(S)Indirect2.6K shares at avg. $65.94$174K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 31, 2026 | IBKR Interactive Brokers Group, Inc. | Award(A) | 803,568 | $87.99 | $70,705,948 | Indirect |
| May 8, 2026 | IBKR Interactive Brokers Group, Inc. | Tax Payment(F) | 22,486 | $84.42 | $1,898,268 | Direct |
| Jan 27, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 39,731 | $75.07 | $2,982,606 | Indirect |
| Jan 27, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 20,469 | $75.75 | $1,550,527 | Indirect |
| Jan 26, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 60,882 | $75.83 | $4,616,682 | Indirect |
| Jan 26, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 30,817 | $76.72 | $2,364,280 | Indirect |
| Jan 26, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 3,101 | $77.98 | $241,816 | Indirect |
| Jan 23, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 84,935 | $77.65 | $6,595,203 | Indirect |
| Jan 23, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 60,065 | $78.14 | $4,693,479 | Indirect |
| Jan 22, 2026 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 100,000 | $76.81 | $7,681,000 | Indirect |
| Jan 1, 2026 | IBKR Interactive Brokers Group, Inc. | Award(A) | 389 | $64.31 | $25,017 | Direct |
| Dec 31, 2025 | IBKR Interactive Brokers Group, Inc. | Award(A) | 23,240 | - | $0 | Direct |
| Dec 31, 2025 | IBKR Interactive Brokers Group, Inc. | Award(A) | 389 | $64.31 | $25,017 | Direct |
| Aug 14, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 20,521 | $64.22 | $1,317,859 | Indirect |
| Aug 14, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 33,379 | $63.86 | $2,131,583 | Indirect |
| Aug 13, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 2,400 | $66.77 | $160,248 | Indirect |
| Aug 13, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 200 | $67.20 | $13,440 | Indirect |
| Aug 13, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 200 | $64.19 | $12,838 | Indirect |
| Aug 13, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 4,600 | $63.75 | $293,250 | Indirect |
| Aug 13, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 200 | $66.09 | $13,218 | Indirect |
| Aug 12, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 153,000 | $67.39 | $10,310,670 | Indirect |
| Aug 12, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 41,086 | $67.88 | $2,788,918 | Indirect |
| Aug 11, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 12,841 | $66.09 | $848,662 | Indirect |
| Aug 8, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 10,200 | $65.60 | $669,120 | Indirect |
| Aug 8, 2025 | IBKR Interactive Brokers Group, Inc. | Sale(S) | 2,641 | $65.94 | $174,148 | Indirect |
1-25 of 46 transactions
About Nemser Earl H
Nemser Earl H (SEC CIK 0001391400) files insider reports with the SEC as Vice Chairman of Interactive Brokers Group, Inc. (IBKR).
Signal8 holds 19 ownership filings by Nemser Earl H, all Form 4s, filed between Jan 7, 2025 and Aug 4, 2026. Those filings report 46 transactions, from Dec 31, 2024 to Jul 31, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Nemser Earl H's filings is in GREENWICH, CT.
Recent filings by Nemser Earl H
- Jul 31, 2026: Grant or award of IBKR shares (Form 4, code A).
- May 8, 2026: Tax withholding of IBKR shares (Form 4, code F).
- Jan 27, 2026: Open-market sales of IBKR shares (2 lines, Form 4, code S).
- Jan 26, 2026: Open-market sales of IBKR shares (3 lines, Form 4, code S).
- Jan 23, 2026: Open-market sales of IBKR shares (2 lines, Form 4, code S).
Other insiders filing for Interactive Brokers Group, Inc. (IBKR)
- Conkling Lori A, Director
- Harris Lawrence E, Director
- Brody Paul Jonathan, Chief Financial Officer
- Mendonca Denis, Chief Accounting Officer
- Galik Milan, Chief Executive Officer
- Frank Thomas AJ, Executive Vice President