LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

Reporting ownerCIK 0001991099

Andrew Bialecki

99 transactions in one company, from October 14, 2025 to May 26, 2026.

Transactions: 991 company
Bought · P: $0open market
Sold · S: $92.6Mopen market
Net: −$92.6Mnet selling

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
Klaviyo, Inc.	KVYO	99	—	$92.6M

All transactions

99 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	May 26	CPLAN	212,529	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	May 26	SPLAN	212,529	$14.61	$3.1M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	May 26	CPLAN	212,529	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	May 19	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	May 19	SPLAN	200,000	$14.88	$3.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	May 19	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	May 12	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	May 12	SPLAN	141,316	$14.46	$2.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	May 12	SPLAN	58,684	$14.97	$878K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	May 12	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Apr 14	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Apr 14	SPLAN	90,858	$16.94	$1.5M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Apr 14	SPLAN	109,142	$17.39	$1.9M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Apr 14	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Apr 7	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Apr 7	SPLAN	200,000	$18.63	$3.7M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Apr 7	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Mar 31	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 31	SPLAN	200,000	$19.42	$3.9M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 31	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Mar 24	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 24	SPLAN	200,000	$18.17	$3.6M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 24	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Mar 17	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 17	SPLAN	102,621	$19.15	$2.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 17	SPLAN	97,379	$19.60	$1.9M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 17	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Mar 10	CPLAN	206,827	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 10	SPLAN	700	$19.34	$14K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 10	SPLAN	206,127	$19.96	$4.1M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 10	CPLAN	206,827	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Mar 3	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 3	SPLAN	45,978	$17.90	$823K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 3	SPLAN	154,022	$18.86	$2.9M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Mar 3	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Feb 24	CPLAN	200,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Feb 24	SPLAN	39,644	$16.38	$649K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Feb 24	SPLAN	160,356	$16.86	$2.7M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Feb 24	CPLAN	200,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Jan 27	CPLAN	155,219	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 27	SPLAN	4,530	$24.94	$113K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 27	SPLAN	150,689	$25.34	$3.8M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 27	CPLAN	155,219	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Jan 20	CPLAN	167,926	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 20	SPLAN	796	$23.29	$19K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 20	SPLAN	167,130	$24.16	$4.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 20	CPLAN	167,926	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Jan 13	CPLAN	140,646	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 13	SPLAN	90,327	$27.29	$2.5M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 13	SPLAN	50,319	$27.62	$1.4M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 13	CPLAN	140,646	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Jan 7	CPLAN	16,649	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Jan 6	CPLAN	137,504	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 7	SPLAN	16,649	$30.01	$500K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 7	CPLAN	16,649	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 6	SPLAN	2,382	$28.52	$68K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 6	SPLAN	135,122	$28.92	$3.9M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Jan 6	CPLAN	137,504	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 22	CPLAN	100,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 22	SPLAN	6,934	$31.94	$221K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 22	SPLAN	93,066	$33.05	$3.1M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 22	CPLAN	100,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 17	CPLAN	100,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 16	CPLAN	138,648	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 17	SPLAN	100,000	$30.40	$3.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 17	CPLAN	100,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 16	SPLAN	138,648	$29.04	$4.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 16	CPLAN	138,648	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 11	CPLAN	3,419,000	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 11	CPLAN	17,777	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 10	CPLAN	82,223	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 9	CPLAN	131,362	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 11	GPLAN	3,419,000	$0.00	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 11	CPLAN	3,419,000	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 11	SPLAN	17,777	$30.00	$533K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 11	CPLAN	17,777	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 10	SPLAN	82,223	$30.12	$2.5M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 10	CPLAN	82,223	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 9	SPLAN	800	$28.84	$23K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 9	SPLAN	130,562	$29.42	$3.8M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 9	CPLAN	131,362	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 4	CPLAN	952	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Dec 2	CPLAN	142,045	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 4	SPLAN	952	$30.00	$29K
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 4	CPLAN	952	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 2	SPLAN	142,045	$28.62	$4.1M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Dec 2	CPLAN	142,045	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Nov 24	CPLAN	144,717	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Nov 24	SPLAN	144,717	$27.76	$4.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Nov 24	CPLAN	144,717	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Nov 18	CPLAN	147,329	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Nov 18	SPLAN	147,329	$27.16	$4.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Nov 18	CPLAN	147,329	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Nov 11	CPLAN	140,464	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Nov 11	SPLAN	140,464	$29.74	$4.2M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Nov 11	CPLAN	140,464	—	—
Klaviyo, Inc.	KVYO	Andrew BialeckiCEODERIV	Oct 14	CPLAN	163,331	$0.00	—?
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Oct 14	SPLAN	163,331	$24.37	$4.0M
Klaviyo, Inc.	KVYO	Andrew BialeckiCEO	Oct 14	CPLAN	163,331	—	—