Klaviyo Co-CEO Andrew Bialecki Sells $3.7 Million in Company Stock

Team S · 2026-03-06T14:49:15.000Z

Boston-based marketing automation company Klaviyo disclosed that Co-CEO Andrew Bialecki has sold a portion of his holdings in the company’s stock through a recent insider transaction. Klaviyo provides a marketing automation platform widely used by e-commerce businesses for email and SMS marketing campaigns, helping brands manage customer data and digital engagement across channels. The transaction involved 200,000 shares of Series A Common Stock, which were sold on March 3, 2026, according to a regulatory filing. The shares were sold through multiple transactions at prices ranging between $17.52 and $19.21 per share, reflecting a structured sale executed across different market trades. The total value of the sale amounted to $3,727,861, highlighting a notable insider stock transaction within the company. Following the transaction, Klaviyo’s shares were trading around $21.18, indicating the market price was above the range at which the shares were sold. Over the past year, however, the stock has remained down 43.76%, reflecting broader volatility in the technology sector. Klaviyo, founded in 2012 by Andrew Bialecki and Ed Hallen, operates a data-driven marketing automation platform used by thousands of e-commerce merchants globally. The company focuses on enabling businesses to manage customer relationships, marketing campaigns, and analytics through a unified platform.

Member Login Get Access

Klaviyo Co-CEO Andrew Bialecki Sells $3.7 Million in Company Stock | Newnex