CapsoVision Director Buys $10M in Stock; Diamondback, Robinhood Executives Sell Shares

A director at CapsoVision, Inc. made a nearly $10 million investment in the company's stock, according to recent regulatory filings that also revealed multi-million dollar sales by executives at Diamondback Energy and Robinhood Markets.

Significant Insider Purchases

The most substantial insider buy came from CapsoVision (NASDAQ:CV), where director and 10% owner Eliyahou Harari acquired 1,757,469 shares for a total of $9,999,998. The transactions, disclosed in a recent SEC filing, were executed at a price of $5.69 per share on September 18.

Other notable purchases signaling insider confidence include:

• Corebridge Financial (NASDAQ:CRBG): Nippon Life Insurance Co., a major shareholder, purchased 212,828 shares for approximately $7.5 million. The trades were made under a pre-arranged Rule 10b5-1 trading plan.
• Inhibrx Biosciences (NASDAQ:INBX): Director Jon Faiz Kayyem bought 5,000 shares for $500,000.
• Redwood Trust (NASDAQ:RWT): CEO Christopher J. Abate acquired 100,000 shares for $383,900.

Notable Executive Sales

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On the sell side, Robinhood Markets (NASDAQ:HOOD) CEO Vladimir Tenev sold 259,166 shares for a total of $32.5 million. According to the filing, these sales were executed pursuant to a Rule 10b5-1 trading plan adopted in September 2025.

At Diamondback Energy (NASDAQ:FANG), director Travis D. Stice sold 75,000 shares of common stock, realizing proceeds of over $15.3 million. Other significant sales were reported by executives at Arista Networks, Duolingo, and Asana, many of which were also conducted under pre-arranged 10b5-1 plans. The filing for Asana (NYSE:ASAN) noted that a portion of its CEO's $4.2 million sale was a "sell-to-cover" transaction to satisfy tax obligations related to vested stock units.

What This Means for Investors

Insider transactions are closely monitored by investors for signals about a company's prospects. Substantial open-market purchases by executives and directors are often interpreted as a strong vote of confidence in the company's future performance.

Insider sales, however, can be more ambiguous. While they can sometimes precede a stock's decline, they are frequently motivated by personal financial planning, portfolio diversification, or tax obligations. The use of Rule 10b5-1 trading plans for many of these sales indicates the transactions were scheduled in advance, which can mitigate concerns that they were based on immediate, non-public information. Therefore, insider activity is typically viewed as one of many data points in a broader investment analysis.