Klaviyo, INC Form 4 insider transactions

Klaviyo President Stephen Eric Rowland sold 7,105 shares of Series A Common Stock for a weighted average price of $24.35 per share as part of a pre-arranged trading plan.

Klaviyo CEO Andrew Bialecki sold 163,331 shares of Series A Common Stock for approximately $24.37 per share, executed under a pre-arranged 10b5-1 trading plan.

Klaviyo's Chief Financial Officer, Amanda Whalen, sold 15,000 shares of Series A Common Stock for approximately $375,447 through a pre-arranged trading plan.

Klaviyo CEO Andrew Bialecki sold 159,508 shares of Series A Common Stock for approximately $4 million through a Rule 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki sold 137,224 shares of Series A Common Stock for approximately $3.96 million through a pre-arranged Rule 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki sold 211,358 shares of Series A Common Stock for approximately $7.5 million, pursuant to a pre-arranged 10b5-1 trading plan.

Klaviyo Director and 10% owner Ed Hallen sold over $2.8 million worth of Series A Common Stock and gifted additional shares under a pre-arranged trading plan.

Klaviyo CEO Andrew Bialecki executed a pre-arranged sale of 226,382 Series A Common Stock shares totaling approximately $7.3 million.

Klaviyo's Interim Executive Officer, Luciano Fernandez Gomez, was awarded 100,597 Restricted Stock Units, vesting in November 2025.

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.

Klaviyo's Chief Financial Officer, Amanda Whalen, sold 15,000 shares of Series A Common Stock for approximately $31.5 per share, as part of a pre-arranged 10b5-1 trading plan.

Klaviyo Director and 10% owner Ed Hallen converted Series B shares to Series A and subsequently transferred 990,000 Series A shares to trusts for estate planning purposes.

Klaviyo Director Susan St. Ledger filed a Form 4 indicating a planned sale of 3,413 shares of Series A Common Stock on September 10, 2025, under a 10b5-1 trading plan.

Klaviyo CEO Andrew Bialecki sold 220,481 shares of Series A Common Stock for approximately $31.96 per share, executed under a pre-arranged 10b5-1 trading plan.

Summit Partners, a 10% owner of Klaviyo, Inc., converted and sold 4 million shares of Series A Common Stock for $31.87 per share.

Klaviyo CEO Andrew Bialecki executed planned sales of Series A Common Stock totaling approximately $7.2 million on September 2, 2025.

Klaviyo CEO Andrew Bialecki executed planned stock sales and made a significant charitable gift of shares in late August 2025.

Summit Partners, a 10% owner and director of Klaviyo, Inc., sold 975,000 shares of Series A Common Stock for $30.01 per share after converting them from Series B Common Stock.

Summit Partners, a 10% owner and director of Klaviyo, Inc., distributed 500,000 shares of Series A Common Stock for bona fide charitable gifts.

Klaviyo Director Luciano Fernandez Gomez reported the automatic conversion of Series B to Series A common stock and subsequent sale of shares for tax obligations related to RSU vesting.

Klaviyo's Chief Financial Officer, Amanda Whalen, reported the conversion and sale of company shares, including transactions under a pre-arranged 10b5-1 trading plan.

Klaviyo's Chief People Officer, Carmel Galvin, disposed of shares for tax obligations and sold additional shares under a pre-arranged trading plan.

Klaviyo's President, Stephen Eric Rowland, reported pre-planned sales and conversions of Series A and Series B Common Stock related to RSU vesting and tax obligations.

Klaviyo's Chief Legal Officer, Landon Edmond, sold shares of Series A Common Stock totaling $313,499.90 under a pre-arranged Rule 10b5-1 trading plan.

Summit Partners, a 10% owner and director of Klaviyo, Inc., reported the conversion of 7 million Series B shares to Series A and the subsequent sale of 6.5 million Series A shares for over $195 million.

Shopify Strategic Holdings 3 LLC, a 10% owner and director of Klaviyo, Inc., reported the routine vesting of warrants and the conversion of Series B Common Stock into Series A Common Stock.

Stephen Eric Rowland, President of Klaviyo, Inc., sold 7,079 shares of Series A Common Stock at an average price of $31.56 on July 15, 2025, under a pre-arranged Rule 10b5-1 trading plan.

Klaviyo's Chief Financial Officer, Amanda Whalen, converted Series B shares to Series A and subsequently sold a portion of her Series A common stock holdings totaling 15,000 shares for approximately $474,832 under a pre-arranged 10b5-1 trading plan.

Klaviyo, Inc. President Stephen Eric Rowland reported the sale of 7,079 shares of Series A Common Stock on June 16, 2025, executed under a pre-existing Rule 10b5-1 trading plan.

Klaviyo, Inc.'s Chief Financial Officer, Amanda Whalen, reported the conversion of Series B common stock to Series A and the subsequent sale of Series A shares totaling $501,990.00, all under a pre-arranged 10b5-1 trading plan.