Form 4: Lightspeed Management Company Discloses Sale of Rubrik Class A Common Stock

Lightspeed Management Company, L.L.C., a 10% owner and director of Rubrik, Inc., reported the sale of 16,984 shares of Class A Common Stock for approximately $1.52 million, executed under a Rule 10b5-1 plan.

Summary

• Lightspeed Management Company, L.L.C. (LMC), identified as a Director and 10% Owner of Rubrik, Inc. (RBRK), reported a transaction involving the sale of Class A Common Stock.
• On June 30, 2025, LMC disposed of 16,984 shares of Rubrik Class A Common Stock.
• The shares were sold at a weighted average price of $89.47 per share, with prices ranging from $89.30 to $89.69.
• This transaction was made pursuant to a contract, instruction, or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
• Following this transaction, Lightspeed Management Company, L.L.C. directly holds 0 Class A Common Stock shares.
• Barry Eggers, a managing member of LMC and a director, directly holds 59,182 shares and indirectly holds 356,242 shares through Eggers Investments LP Fund 2.
• Peter Nieh, a managing member of LMC and a director, directly holds 59,182 shares and indirectly holds 649 shares through Nieh Family Investments LP Fund 1, 396,874 shares through Nieh Family Investments LP Fund 2, 8,387 shares through Nieh Family Investments LP Fund 3, and 50,331 shares through Nieh Family Investments LP Fund 4.

Sentiment

Score: 5

Explanation: The document reports a routine, pre-planned insider sale of shares. While a sale by a significant holder could be perceived negatively, the Rule 10b5-1 plan suggests it's a scheduled liquidity event rather than a reaction to new negative information, making the sentiment neutral.

Negatives

• A 10% owner and director, Lightspeed Management Company, L.L.C., sold 16,984 shares of Class A Common Stock, which reduces their direct beneficial ownership to zero.

Future Outlook

No forward-looking statements or guidance were provided in this Form 4 filing.

Industry Context

This Form 4 filing details an insider transaction, which is a routine disclosure required by the SEC. It does not provide broader industry context or trends, focusing solely on the change in beneficial ownership for a specific insider entity.

Stakeholder Impact

• Shareholders: The sale by a 10% owner and director could be interpreted as a slight reduction in insider alignment, though the pre-planned nature mitigates negative implications. The transaction value is relatively small compared to Rubrik's overall market capitalization.

Key Dates

Keywords

Rubrik, RBRK, SEC Form 4, Insider Trading, Stock Sale, Beneficial Ownership, Lightspeed Management Company, Barry Eggers, Peter Nieh, Rule 10b5-1