KVYO

Klaviyo, Inc.

Latest Form 4:Sale$259KbyWhalen Amanda (Chief Financial Officer) · filed Aug 18, 2026

Klaviyo, Inc. (KVYO) has 84 SEC Form 4 filings (200 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Aug 19, 2026.

Inside the rolling window, 9 insiders at Klaviyo, Inc. reported 1 open-market purchase totaling $300K and 66 open-market sales totaling $360.7M. The most active filer is Co-Chief Executive Officer Bialecki Andrew with 34 filings. Insiders have net sold $129.7M over the trailing 6 months. The most recent open-market filing is a sale of 14,000 shares by Chief Financial Officer Whalen Amanda, dated Aug 14, 2026, worth $259K.

  • Industry:Software - Infrastructure
  • CEO:Andrew Bialecki
  • Employees:2,316
  • HQ:Boston, MA, US
  • IPO:2023-09-20

Insider Buying

$300K

reported purchases (SEC code P)

Insider Selling

$360.7M

reported sales (SEC code S)

Unique Insiders

9

in the rolling window

Market Cap

$6.2B

latest known value

Source
Sale$259KAug 18SEC ↗
SUMMIT PARTNERS L PFirst in 11 months
Sale$88.5MAug 13SEC ↗
Sale$249KJul 18SEC ↗
Sale$185KJun 19SEC ↗
Sale$3.1MMay 29SEC ↗
St. Ledger SusanFirst in 8 months
Sale$133KMay 20SEC ↗
Sale$3.0MMay 20SEC ↗
Sale$200KMay 19SEC ↗
Sale$2.9MMay 15SEC ↗
Sale$192KApr 22SEC ↗
Sale$260KApr 17SEC ↗
Sale$3.4MApr 16SEC ↗
Sale$3.7MApr 9SEC ↗
Sale$3.9MApr 2SEC ↗
Sale$3.6MMar 26SEC ↗
Sale$3.9MMar 19SEC ↗
Sale$274KMar 13SEC ↗
Sale$289KMar 13SEC ↗
Sale$4.1MMar 12SEC ↗
Sale$3.7MMar 5SEC ↗
Sale$304KMar 5SEC ↗
Sale$3.4MFeb 26SEC ↗
Sale$264KFeb 18SEC ↗
Ceran JenniferFirst filing
Purchase$300KFeb 17SEC ↗
Sale$3.9MJan 29SEC ↗
Sale$4.1MJan 22SEC ↗
Sale$362KJan 16SEC ↗
Sale$258KJan 16SEC ↗
Sale$3.9MJan 15SEC ↗
Sale$4.0MJan 8SEC ↗
Sale$500KJan 8SEC ↗
Sale$3.3MDec 23SEC ↗
Sale$439KDec 19SEC ↗
Sale$445KDec 19SEC ↗
Sale$3.6MDec 19SEC ↗
Sale$4.0MDec 17SEC ↗
Sale$3.0MDec 17SEC ↗
Sale$209KDec 17SEC ↗
Sale$23KDec 17SEC ↗
Sale$3.9MDec 11SEC ↗
Sale$2.5MDec 11SEC ↗
Sale$533KDec 11SEC ↗
Sale$4.1MDec 4SEC ↗
Sale$29KDec 4SEC ↗
Sale$4.0MNov 26SEC ↗
Edmond LandonFirst filing
Sale$397KNov 21SEC ↗
Sale$4.0MNov 20SEC ↗
Sale$429KNov 18SEC ↗
Sale$195KNov 18SEC ↗
Galvin CarmelFirst filing
Sale$307KNov 18SEC ↗
Sale$4.2MNov 13SEC ↗
Sale$1.8MNov 12SEC ↗
Sale$84KNov 12SEC ↗
Sale$4.0MOct 16SEC ↗
Sale$173KOct 16SEC ↗
Sale$375KOct 10SEC ↗
Sale$4.0MOct 9SEC ↗
Sale$4.0MOct 2SEC ↗
Sale$7.5MSep 25SEC ↗
Sale$7.3MSep 17SEC ↗
Hallen EdFirst filing
Sale$2.8MSep 17SEC ↗
Sale$227KSep 17SEC ↗
Whalen AmandaFirst filing
Sale$473KSep 12SEC ↗
St. Ledger SusanFirst filing
Sale$110KSep 12SEC ↗
Sale$7.0MSep 11SEC ↗
Sale$127.5MSep 10SEC ↗
Bialecki AndrewFirst filing
Sale$6.9MSep 4SEC ↗

Frequently asked questions

How many SEC Form 4 insider filings does KVYO have?

Klaviyo, Inc. (KVYO) has 84 SEC Form 4 filings (200 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Aug 19, 2026.

When was the most recent SEC Form 4 filing for KVYO?

The most recent Form 4 filing for KVYO on Tracefour is dated Aug 19, 2026.

Who is the most active insider at KVYO?

The most active SEC Form 4 filer at KVYO in the rolling window is Co-Chief Executive Officer Bialecki Andrew, with 34 filings.

What is the net insider flow at KVYO over the last 6 months?

Over the trailing 180 days, insiders at KVYO have net sold $129.7M based on SEC Form 4 disclosures.

What is the total insider buy and sell value at KVYO in the current window?

Inside the rolling window, insiders at KVYO bought $300K and sold $360.7M based on SEC Form 4 filings.

Can I get alerts for KVYO insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Klaviyo, Inc. (KVYO). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

Klaviyo, Inc. is in the Technology sector.