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

Klaviyo President Stephen Eric Rowland sold 7,105 shares of Series A Common Stock for approximately $225,000 through a pre-arranged Rule 10b5-1 trading plan.

Summary

• Stephen Eric Rowland, President of Klaviyo, Inc. (KVYO), reported the sale of Series A Common Stock.
• The transactions occurred on September 15, 2025.
• A total of 7,105 shares were sold in two separate transactions.
• The first transaction involved 6,905 shares at a weighted average price of $31.9 per share, with prices ranging from $31.43 to $32.27.
• The second transaction involved 200 shares at a price of $31.24 per share.
• These sales were executed pursuant to a Rule 10b5-1 trading plan adopted on November 22, 2024.
• Following these transactions, Mr. Rowland beneficially owns 438,621 shares of Series A Common Stock.
• This beneficial ownership consists of 129,070 shares of Series A Common Stock and 309,551 unvested restricted stock units.

Sentiment

Score: 5

Explanation: The filing reports a pre-scheduled insider stock sale under a 10b5-1 plan, which is a routine event and generally neutral in sentiment. While it's a sale, the pre-planned nature mitigates negative implications.

Positives

• The sales were conducted under a Rule 10b5-1 trading plan, adopted well in advance on November 22, 2024, indicating a pre-scheduled and non-discretionary sale rather than a reaction to recent events.

Negatives

• Insider selling, even if pre-planned, can sometimes be perceived negatively by investors as it reduces the insider's direct equity stake in the company.

Future Outlook

Not applicable, as this filing reports past transactions rather than future guidance.

Industry Context

This Form 4 filing reports an individual insider transaction and does not provide information relevant to broader industry trends or competitor analysis.

Stakeholder Impact

• Shareholders: May note the reduction in direct equity ownership by a key executive, though the pre-planned nature under Rule 10b5-1 suggests it is not based on new material non-public information.

Key Dates

Keywords

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