Andrew Bialecki, who serves as Co-Chief Executive Officer and a director at Klaviyo, Inc. (NYSE: KVYO), disposed of 200,000 shares of Series A common stock on March 31, 2026, for aggregate proceeds of $3.88 million. The disposition carried a weighted average sale price of $19.42 per share, with individual sale prices spanning from $18.85 to $19.75.
On the same day as the sale, Bialecki converted 200,000 shares of Series B common stock into Series A common stock. The transactions were carried out pursuant to a Rule 10b5-1 trading plan that Bialecki adopted on May 20, 2025.
After these moves, Bialecki's direct holdings include 67,744,118 shares of Series B common stock. He also retains indirect ownership positions through several trusts and family holdings: 7,517,410 shares via The Andrew P. Bialecki Grantor Retained Annuity Trust I of 2023; 517,006 shares through The Elizabeth L. Bialecki Irrevocable GST Trust of 2023; 517,006 shares via The Andrew P. Bialecki Irrevocable GST Trust of 2023; and 43,218 shares held by his spouse.
The share sale and conversion come while the stock trades near $19.14 and is down approximately 40% year-to-date. Despite the recent price decline, InvestingPro analysis cited in company reporting indicates Klaviyo may be trading below fair value at current levels. Separately, 16 analysts have increased earnings estimates for the upcoming period, and consensus expectations point to the company becoming profitable this year after recording a loss of $0.11 per share over the trailing twelve months.
Concurrently with insider activity, Klaviyo announced a material capital-return initiative. The company’s board approved a $500 million share repurchase program - the firm's first buyback authorization - which includes an immediate $100 million accelerated share repurchase. That authorization amounts to roughly 10% of Klaviyo's market capitalization. William Blair analyst Arjun Bhatia described the buyback as a signal of confidence in the company’s prospects.
Klaviyo has also launched Composer, an AI-powered product designed to generate marketing campaigns from text prompts. Composer enables marketers to quickly design audience-targeted campaigns and provides analysis of existing marketing sequences to surface customer engagement insights. Company statements link these product and capital allocation moves to efforts to drive shareholder value and to expand the firm's marketing-technology offerings.
The details presented reflect company disclosures about insider transactions, ownership positions, analyst expectations, and strategic initiatives. The 10b5-1 plan timing and the specific trust holdings provide a clear record of how the transactions were executed and how control and ownership are structured.