<SEC-DOCUMENT>0001628280-23-034904-index.html : 20231023
<SEC-HEADER>0001628280-23-034904.hdr.sgml : 20231023
<ACCEPTANCE-DATETIME>20231023161542
ACCESSION NUMBER:		0001628280-23-034904
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231023
FILED AS OF DATE:		20231023
DATE AS OF CHANGE:		20231023

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fagnan Jeff
		CENTRAL INDEX KEY:			0001452366

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231340149

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET, FLOOR 3
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Accomplice Fund I, L.P.
		CENTRAL INDEX KEY:			0001636118
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231340151

	BUSINESS ADDRESS:	
		STREET 1:		56 WAREHAM STREET, FLOOR 3
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118
		BUSINESS PHONE:		617-588-2694

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET, FLOOR 3
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

	FORMER NAME:	
		FORMER CONFORMED NAME:	F/K/A VENTURES FUND I, L.P.
		DATE OF NAME CHANGE:	20150310

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Accomplices Associates I, LLC
		CENTRAL INDEX KEY:			0001898737
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231340150

	BUSINESS ADDRESS:	
		STREET 1:		56 WAREHAM STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118
		BUSINESS PHONE:		6175882600

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Moore Ryan R
		CENTRAL INDEX KEY:			0001810239

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231340148

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Klaviyo, Inc.
		CENTRAL INDEX KEY:			0001835830
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		125 SUMMER STREET, FLOOR 6
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-338-1744

	MAIL ADDRESS:	
		STREET 1:		125 SUMMER STREET, FLOOR 6
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1698092132.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1698092132.html

Document 1 - RAW XML: wk-form4_1698092132.xml

</DOCUMENT>
</SEC-DOCUMENT>