Form 4: Rubrik Executive Sells 10,000 Shares via 10b5-1 Plan

Rubrik's President of Global Sales and Field Operations, Brian K. McCarthy, sold 10,000 shares of Class A Common Stock on January 12, 2026, through a pre-arranged 10b5-1 trading plan.

Summary

• Brian K. McCarthy, President of Global Sales & Field Operations and a Director at Rubrik, Inc. (RBRK), reported the sale of 10,000 shares of Class A Common Stock.
• The transactions occurred on January 12, 2026, and were executed pursuant to a Rule 10b5-1 trading plan adopted on July 13, 2025.
• The shares were sold in three separate transactions at weighted average prices:
• 2,000 shares at $69.76 per share (ranging from $69.22 to $70.09).
• 4,067 shares at $70.94 per share (ranging from $70.27 to $71.26).
• 3,933 shares at $71.40 per share (ranging from $71.29 to $71.55).
• Following these transactions, Mr. McCarthy directly beneficially owns 330,772 shares of Rubrik Class A Common Stock.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While insider selling can sometimes be viewed negatively, the fact that it was executed under a pre-arranged 10b5-1 plan mitigates concerns about opportunistic selling or a sudden loss of confidence in the company's future.

Positives

• The sale was conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a structured and pre-determined approach to personal financial management rather than an immediate reaction to market conditions.
• The shares were sold at relatively high prices, ranging from $69.22 to $71.55, which is favorable for the executive's personal financial planning.

Negatives

• A high-ranking executive selling a significant number of shares (10,000) could be perceived by some investors as a signal, even if pre-planned, potentially leading to negative sentiment or questions about future growth prospects.
• The reduction in insider ownership, while minor in the context of total outstanding shares, represents a decrease in the executive's direct stake in the company.

Management Comments

• The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted July 13, 2025.

Stakeholder Impact

• Shareholders may observe the executive's sale and consider its implications, though the 10b5-1 plan typically reduces the perceived negative signal.
• The transaction reflects the executive's personal financial planning and diversification strategy.

Key Dates

Recommendation

The insider sale by Brian K. McCarthy, while significant in volume, was conducted under a pre-established Rule 10b5-1 trading plan. Such plans are designed to allow insiders to sell shares over time without being accused of trading on material non-public information. Therefore, this transaction is unlikely to reflect a change in the executive's fundamental outlook on Rubrik's business or future prospects. Investors should view this as a routine diversification or liquidity event rather than a bearish signal, warranting a 'hold' recommendation based solely on this filing.

Keywords

Rubrik, RBRK, insider trading, Form 4, stock sale, 10b5-1 plan, executive transaction, Class A Common Stock