Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001470831-26-000380
Filing Date
2026-04-17
Accepted
2026-04-17 20:10:58
Documents
1
Period of Report
2026-04-15

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1776471055.html 4  
1 FORM 4 wk-form4_1776471055.xml 4 13361
  Complete submission text file 0001470831-26-000380.txt   14771
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
Whalen Amanda (Reporting) CIK: 0001991131 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 26873067