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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
2025-12-11 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −17,777 73,326,537
2025-12-11 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −3,419,000 69,907,537
2025-12-10 Bialecki Andrew Chief Executive Officer Conversion 10b5-1 +82,223 82,223
2025-12-10 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −82,223 $30.12 $2.5M 0
2025-12-10 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −82,223 73,344,314
2025-12-09 Bialecki Andrew Chief Executive Officer Conversion 10b5-1 +131,362 131,362
2025-12-09 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −130,562 $29.42 $3.8M 800
2025-12-09 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −800 $28.84 $23K 0
2025-12-09 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −131,362 73,426,537
2025-12-04 Bialecki Andrew Chief Executive Officer Conversion 10b5-1 +952 952
2025-12-04 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −952 $30.00 $29K 0
2025-12-04 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −952 73,557,899
2025-12-02 Bialecki Andrew Chief Executive Officer Conversion 10b5-1 +142,045 142,045
2025-12-02 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −142,045 $28.62 $4.1M 0
2025-12-02 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −142,045 73,558,851
2025-11-24 Bialecki Andrew Chief Executive Officer Conversion 10b5-1 +144,717 144,717
2025-11-24 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −144,717 $27.76 $4.0M 0
2025-11-24 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −144,717 73,700,896
2025-11-20 Edmond Landon Chief Legal Officer Sale 10b5-1 −10,374 $27.83 $289K 380,492
2025-11-20 Edmond Landon Chief Legal Officer Sale 10b5-1 −4,020 $26.97 $108K 376,472

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