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CIK 0001835830 · Large accelerated filer

Klaviyo, Inc.

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Ticker
KVYO
Exchange
NYSE
Industry
Services-Prepackaged Software
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
800-338-1744
Business address
125 SUMMER STREET, FLOOR 6, BOSTON, MA, 02110
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$7,407,736
in 7 filings, $7.4M under 10b5-1 plans

Net −$7,407,736. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2025-11-18 Bialecki Andrew Chief Executive Officer Conversion 10b5-1 +147,329 147,329
2025-11-18 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −147,329 $27.16 $4.0M 0
2025-11-18 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −147,329 73,845,613
2025-11-17 Rowland Stephen Eric President Conversion 10b5-1 +28,457 448,502
2025-11-17 Rowland Stephen Eric President Sale 10b5-1 −7,104 $27.39 $195K 441,398
2025-11-17 Rowland Stephen Eric President Conversion · Series B Common Stock 10b5-1 −28,457 359,184
2025-11-17 Edmond Landon Chief Legal Officer Conversion +11,074 390,866
2025-11-17 Edmond Landon Chief Legal Officer Conversion · Series B Common Stock −11,074 22,500
2025-11-17 Galvin Carmel Chief People Officer Sale 10b5-1 −7,120 $27.74 $198K 643,896
2025-11-17 Galvin Carmel Chief People Officer Sale 10b5-1 −4,036 $27.11 $109K 639,860
2025-11-15 Rowland Stephen Eric President Conversion 10b5-1 +22,855 454,371
2025-11-15 Rowland Stephen Eric President Shares withheld for taxes 10b5-1 −34,326 $28.61 $982K 420,045
2025-11-15 Rowland Stephen Eric President Conversion · Series B Common Stock 10b5-1 −22,855 387,641
2025-11-15 Edmond Landon Chief Legal Officer Conversion +11,426 404,010
2025-11-15 Edmond Landon Chief Legal Officer Shares withheld for taxes −24,218 $28.61 $693K 379,792
2025-11-15 Edmond Landon Chief Legal Officer Conversion · Series B Common Stock −11,426 33,574
2025-11-15 Fernandez Gomez Luciano Interim Executive Officer Shares withheld for taxes −43,533 $28.61 $1.2M 83,852
2025-11-15 Galvin Carmel Chief People Officer Shares withheld for taxes 10b5-1 −24,817 $28.61 $710K 651,016
2025-11-15 Whalen Amanda Chief Financial Officer Conversion 10b5-1 +29,513 511,232
2025-11-15 Whalen Amanda Chief Financial Officer Shares withheld for taxes 10b5-1 −45,058 $28.61 $1.3M 466,174

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