Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001470831-26-000342
Filing Date
2026-04-02
Accepted
2026-04-02 20:04:26
Documents
1
Period of Report
2026-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1775174663.html 4  
1 FORM 4 wk-form4_1775174663.xml 4 14924
  Complete submission text file 0001470831-26-000342.txt   16336
Mailing Address 125 SUMMER STREET, FLOOR 6 BOSTON MA 02110
Business Address 125 SUMMER STREET, FLOOR 6 BOSTON MA 02110 800-338-1744
Klaviyo, Inc. (Issuer) CIK: 0001835830 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)

Mailing Address KLAVIYO, INC. 125 SUMMER STREET, 6TH FLOOR BOSTON MA 02110
Business Address
Bialecki Andrew (Reporting) CIK: 0001991099 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 26836411