Klaviyo, INC Form 4 insider transactions

Klaviyo Co-CEO Andrew Bialecki reported the conversion of Series B to Series A common stock and subsequent sale of 200,000 Series A shares under a pre-arranged 10b5-1 trading plan.

Shopify Strategic Holdings 3 LLC filed a Form 4 indicating a planned exercise of warrants to acquire 344,383 shares of Klaviyo Series B Common Stock on January 29, 2026.

Klaviyo Co-CEO Andrew Bialecki executed a pre-planned sale of 155,219 Series A Common Stock shares on January 27, 2026, following a conversion from Series B shares.

Klaviyo Co-Chief Executive Officer Andrew Bialecki sold 167,926 shares of Series A Common Stock on January 20, 2026, under a pre-arranged 10b5-1 trading plan.

Klaviyo's Co-Chief Executive Officer, Luciano Fernandez Gomez, received substantial equity awards, including RSUs and PSUs, tied to future service and stock performance.

Klaviyo's Chief Financial Officer, Amanda Whalen, sold 14,000 shares of Series A Common Stock for approximately $360,000 through pre-arranged trading plans.

Klaviyo's Chief Legal Officer, Landon Edmond, sold 10,000 shares of Series A Common Stock through a pre-arranged 10b5-1 trading plan.

Klaviyo Co-CEO Andrew Bialecki sold 140,646 shares of Series A Common Stock for approximately $3.85 million under a pre-arranged 10b5-1 trading plan.

Klaviyo's Co-Chief Executive Officer, Andrew Bialecki, sold a total of 154,153 shares of Series A Common Stock in early January 2026, pursuant to a pre-arranged Rule 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki converted and sold 100,000 shares of Series A Common Stock for approximately $3.3 million under a pre-arranged trading plan.

Klaviyo's Chief Legal Officer, Landon Edmond, sold a total of 14,190 shares of Series A Common Stock on December 18, 2025, under a pre-arranged 10b5-1 trading plan.

Klaviyo's Chief Financial Officer, Amanda Whalen, sold 14,000 shares of Series A Common Stock on December 18, 2025, under a pre-arranged Rule 10b5-1 trading plan.

Klaviyo Director and 10% owner Ed Hallen sold 117,550 shares of Series A Common Stock through a pre-arranged 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki sold 238,648 shares of Series A Common Stock for approximately $7.07 million through pre-arranged trading plans.

Klaviyo's Chief Legal Officer, Landon Edmond, reported a gift of 8,400 shares of Series A Common Stock to a donor-advised fund.

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.

Klaviyo Director and 10% owner Ed Hallen reported the sale of 757 Series A Common Stock shares through a pre-arranged 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki reported sales of over 230,000 Series A shares and a gift of 3.4 million Series A shares, all executed under a Rule 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki sold 142,997 shares of Series A Common Stock on December 2 and December 4, 2025, under a pre-arranged 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki sold 144,717 shares of Series A Common Stock for $27.76 per share, executed under a pre-arranged 10b5-1 trading plan.

Klaviyo's Chief Legal Officer, Landon Edmond, sold 14,394 shares of Series A Common Stock for approximately $395,000 through a pre-arranged 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki sold 147,329 shares of Series A Common Stock for a weighted average price of $27.16 per share, executed under a pre-arranged 10b5-1 trading plan.

Klaviyo's Chief Legal Officer, Landon Edmond, reported routine conversions of Series B to Series A common stock and sales to cover tax obligations related to RSU vesting.

Klaviyo's President, Stephen Eric Rowland, reported the conversion and sale of Series A Common Stock following RSU vesting, including shares sold under a pre-arranged 10b5-1 plan.

Klaviyo's Interim Executive Officer, Luciano Fernandez Gomez, disposed of 43,533 shares of Series A Common Stock to cover tax withholding obligations related to RSU vesting.

Klaviyo's Chief People Officer, Carmel Galvin, reported the sale of 11,156 shares and the withholding of 24,817 shares for tax obligations.

Klaviyo's Chief Financial Officer, Amanda Whalen, reported pre-planned stock sales and conversions of Series B to Series A common stock, including shares withheld for tax obligations.

Shopify Strategic Holdings 3 LLC, a 10% owner of Klaviyo, Inc., exercised warrants to acquire 344,381 shares of Series B Common Stock.

Klaviyo CEO Andrew Bialecki sold 140,464 shares of Series A Common Stock for a weighted average price of $29.74 per share, executed under a pre-arranged 10b5-1 trading plan.

Klaviyo Director and 10% owner Ed Hallen sold and gifted Series A Common Stock under a pre-arranged trading plan.