Form 4: Klaviyo President Sells Shares Under 10b5-1 Plan

Klaviyo's President, Stephen Eric Rowland, sold 7,104 shares of Series A Common Stock on December 15, 2025, as part of a pre-arranged Rule 10b5-1 trading plan.

Summary

• Stephen Eric Rowland, President of Klaviyo, Inc., sold a total of 7,104 shares of Series A Common Stock.
• The sales occurred on December 15, 2025.
• One block of 3,913 shares was sold at a weighted average price of $29.81 per share, with prices ranging from $29.38 to $30.35.
• Another block of 3,191 shares was sold at a weighted average price of $29.01 per share, with prices ranging from $28.83 to $29.33.
• These transactions were executed under a Rule 10b5-1 trading plan established on November 22, 2024.
• Following these transactions, Rowland beneficially owns 434,294 shares directly, consisting of 150,495 shares of Series A Common Stock and 283,799 unvested restricted stock units.

Sentiment

Score: 5

Explanation: The sentiment is neutral. While insider selling can be perceived negatively, the execution under a pre-arranged 10b5-1 plan mitigates concerns about opportunistic selling based on non-public information. It's a routine event for executive compensation and diversification.

Positives

• The sales were conducted under a Rule 10b5-1 trading plan, indicating pre-scheduled transactions rather than a reaction to new, non-public information.

Negatives

• An insider, the President, sold a significant number of shares (7,104 shares).

Future Outlook

N/A

Industry Context

Insider selling, even under a 10b5-1 plan, is a routine occurrence in publicly traded companies, especially for executives who often receive a significant portion of their compensation in equity. These plans are designed to allow insiders to sell shares without concerns about insider trading regulations, providing liquidity and diversification.

Comparison to Industry Standards

• Insider sales under Rule 10b5-1 plans are a standard practice for executives in technology companies like Klaviyo, allowing for systematic liquidation of equity compensation.
• The volume of shares sold (7,104) represents a small fraction of the total shares beneficially owned (434,294), which is typical for diversification purposes rather than a complete divestment.

Related Party Transactions

• The sale of shares by a company officer (Stephen Eric Rowland, President) is inherently a related party transaction.

Stakeholder Impact

• Shareholders: May view the sale as a slight negative signal, but the 10b5-1 plan context reduces this concern. The impact on share price is likely minimal given the pre-planned nature and the relatively small volume compared to total outstanding shares.

Key Dates

Recommendation

The filing reports routine insider selling under a pre-arranged 10b5-1 plan, which is a common practice for executives to manage their equity compensation and diversify their portfolios. This type of transaction typically does not indicate a change in the company's fundamental outlook or performance and therefore does not warrant a change in investment recommendation based solely on this filing. Investors should continue to hold based on broader company fundamentals and market conditions.

Keywords

Klaviyo, KVYO, Insider Trading, Form 4, Stock Sale, Stephen Eric Rowland, 10b5-1 Plan, Series A Common Stock, Officer Transaction