Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001950047-25-004974
Filing Date
2025-07-11
Accepted
2025-07-11 16:17:43
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 4889
  Complete submission text file 0001950047-25-004974.txt   6286
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. (Subject) CIK: 0001835830 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 001-41806 | Film No.: 251119185
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: 144