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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001415889-24-021709
Filing Date
2024-08-20
Accepted
2024-08-20 17:44:44
Documents
1
Period of Report
2024-08-16

Document Format Files

Seq Description Document Type Size
1 form4-08202024_090840.html 4  
1 form4-08202024_090840.xml 4 16507
  Complete submission text file 0001415889-24-021709.txt   21054
Mailing Address 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 6178241094
SUMMIT PARTNERS L P (Reporting) CIK: 0000830588 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 241226505

Mailing Address 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 617-824-1000
Summit Partners Growth Equity Fund IX-A, L.P. (Reporting) CIK: 0001634415 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 241226504

Mailing Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 617-824-1000
Summit Partners Growth Equity Fund IX-B, L.P. (Reporting) CIK: 0001634426 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 241226503

Mailing Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 (617) 824-1100
SUMMIT INVESTORS GE IX/VC IV, LLC (Reporting) CIK: 0001654074 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 241226501

Mailing Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 (617) 824-1000
Summit Partners Co-Invest (Kiwi), LP (Reporting) CIK: 0001830877 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 241226502

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)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)

Mailing Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 222 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 (617) 824-1000
SUMMIT INVESTORS GE IX/VC IV (UK), L.P. (Reporting) CIK: 0001846709 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-41806 | Film No.: 241226500