Vice Chairman Sells $18.9M in Interactive Brokers Stock Following Prior Intent
IBKR has more than doubled off its 52-week low of $32.82.
Summary
Interactive Brokers Group Vice Chairman and Director Earl H. Nemser sold $18.9 million worth of company stock, executing a previously disclosed intent to sell shares.
Key Events · Ownership and Investor Activity · IBKR
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Executive Stock Sale
Vice Chairman and Director Earl H. Nemser sold 245,000 shares of Class A common stock for a total value of $18,969,682.
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Follows Prior Disclosure
This Form 4 reports the execution of a sale previously indicated by a Form 144 filed by Nemser on January 22, 2026.
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Trading Near 52-Week High
The transactions occurred between January 22-23, 2026, with prices ranging from $76.81 to $78.14, while the stock was trading near its 52-week high.
Analysis · IBKR · Crypto Assets
Earl H. Nemser, Vice Chairman and Director of Interactive Brokers Group, Inc., executed a substantial open market sale of company stock totaling approximately $18.9 million. This transaction follows a Form 144 filing on January 22, 2026, where Nemser indicated an intent to sell shares. The sale occurred while the stock was trading near its 52-week high, suggesting a potential move to realize gains. While a significant personal transaction for a key executive, the sale represents a very small fraction of the company's large market capitalization, making it less of a fundamental signal for the company's outlook.
How filings like this one have moved
In the 30 days to Sep 14, 2026, 29.9% of the 1591 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.24%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, IBKR was trading at $75.45 on NASDAQ in the Crypto Assets sector, with a market capitalization of approximately $127.8B. The 52-week trading range was $32.82 to $78.80. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.