MetaCap

Klaviyo Series A Insider Trades

NYSE: KVYOTechnologyComputer Software: Prepackaged SoftwareUSD

17.32-0.25 (-1.42%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
31 · $125.59M
Shares bought / sold
0 / 7.10M
Net activity
Net selling $125.6 million

Klaviyo Series A insider activity

Over the last 12 months, Klaviyo Series A insiders reported 70 transactions on SEC Form 4: 0 open-market purchases and 31 sales. Insiders bought $0 and sold $125.6 million worth of stock, for net insider selling of $125.6 million. The largest seller was SUMMIT PARTNERS L P & Summit Partners Growth Equity Fund IX-A, L.P. & Summit Partners Growth Equity Fund IX-B, L.P. & Summit Partners Co-Invest (Kiwi), LP & SUMMIT INVESTORS GE IX/VC IV, LLC & SUMMIT INVESTORS GE IX/VC IV (UK), L.P., with $88.5 million in reported sales.

The most recent filing shows Hallen Ed (Director) selling 500 shares at $17.02 on Sep 24, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put KVYO's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

KVYO insider transactions

Klaviyo Series A insider transactions
DateInsiderTypeSharesValueFiling
Sep 24, 2026Hallen EdDirectorSale800$13.62KForm 4
Sep 24, 2026Hallen EdDirectorSale500$8.51KForm 4
Sep 15, 2026Smith Erica EllenChief Financial OfficerAward328,767—Form 4
Sep 15, 2026Smith Erica EllenChief Financial OfficerAward821,917—Form 4
Sep 11, 2026St. Ledger SusanDirectorSale2,328$37.09KForm 4
Aug 31, 2026Edmond LandonChief Legal OfficerSale8,103$165.63KForm 4
Aug 31, 2026Hallen EdDirectorGift17,885—Form 4
Aug 31, 2026Hallen EdDirectorSale59,615$1.22MForm 4
Aug 31, 2026Hallen EdDirectorSale39,167$801.75KForm 4
Aug 28, 2026Edmond LandonChief Legal OfficerSale53,473$1.07MForm 4
Aug 15, 2026Whalen AmandaChief Financial OfficerTax withholding28,950$535.29KForm 4
Aug 15, 2026Galvin CarmelChief People OfficerTax withholding30,541$564.70KForm 4
Aug 15, 2026Edmond LandonChief Legal OfficerTax withholding22,342$413.10KForm 4
Aug 15, 2026Fernandez Gomez LucianoCo-Chief Executive OfficerTax withholding29,133$538.67KForm 4
Aug 15, 2026Fernandez Gomez LucianoCo-Chief Executive OfficerConversion7,001—Form 4
Aug 14, 2026Whalen AmandaChief Financial OfficerSale14,000$258.58KForm 4
Aug 11, 2026SUMMIT PARTNERS L P & Summit Partners Growth Equity Fund IX-A, L.P. & Summit Partners Growth Equity Fund IX-B, L.P. & Summit Partners Co-Invest (Kiwi), LP & SUMMIT INVESTORS GE IX/VC IV, LLC & SUMMIT INVESTORS GE IX/VC IV (UK), L.P.10% OwnerSale5,000,000$88.55MForm 4
Aug 11, 2026SUMMIT PARTNERS L P & Summit Partners Growth Equity Fund IX-A, L.P. & Summit Partners Growth Equity Fund IX-B, L.P. & Summit Partners Co-Invest (Kiwi), LP & SUMMIT INVESTORS GE IX/VC IV, LLC & SUMMIT INVESTORS GE IX/VC IV (UK), L.P.10% OwnerConversion5,000,000—Form 4
Jul 22, 2026Oulman RoxanneDirectorConversion16,775—Form 4
Jul 16, 2026Whalen AmandaChief Financial OfficerSale14,000$248.50KForm 4
Jun 18, 2026Whalen AmandaChief Financial OfficerSale14,000$185.22KForm 4
Jun 11, 2026Oulman RoxanneDirectorConversion8,169—Form 4
Jun 9, 2026Fernandez Gomez LucianoCo-Chief Executive OfficerTax withholding1,746$25.81KForm 4
Jun 9, 2026Ceran JenniferDirectorAward14,822—Form 4
Jun 9, 2026Oulman RoxanneDirectorAward14,822—Form 4
Jun 9, 2026Weisman TonyDirectorAward14,822—Form 4
Jun 9, 2026St. Ledger SusanDirectorAward14,822—Form 4
May 26, 2026Bialecki AndrewCo-Chief Executive OfficerSale212,529$3.11MForm 4
May 26, 2026Bialecki AndrewCo-Chief Executive OfficerConversion212,529—Form 4
May 19, 2026Bialecki AndrewCo-Chief Executive OfficerSale200,000$2.98MForm 4
May 19, 2026Bialecki AndrewCo-Chief Executive OfficerConversion200,000—Form 4
May 18, 2026St. Ledger SusanDirectorSale9,334$133.20KForm 4
May 18, 2026St. Ledger SusanDirectorConversion9,334—Form 4
May 15, 2026Galvin CarmelChief People OfficerTax withholding30,541$439.18KForm 4
May 15, 2026Edmond LandonChief Legal OfficerTax withholding22,340$321.25KForm 4
May 15, 2026Whalen AmandaChief Financial OfficerTax withholding42,476$610.80KForm 4
May 15, 2026Whalen AmandaChief Financial OfficerConversion13,527—Form 4
May 15, 2026Fernandez Gomez LucianoCo-Chief Executive OfficerTax withholding22,132$318.26KForm 4
May 14, 2026Whalen AmandaChief Financial OfficerSale14,000$199.64KForm 4
May 14, 2026Whalen AmandaChief Financial OfficerConversion14,000—Form 4
May 12, 2026Bialecki AndrewCo-Chief Executive OfficerSale141,316$2.04MForm 4
May 12, 2026Bialecki AndrewCo-Chief Executive OfficerSale58,684$878.50KForm 4
May 12, 2026Bialecki AndrewCo-Chief Executive OfficerConversion200,000—Form 4
Apr 20, 2026Edmond LandonChief Legal OfficerSale9,623$192.46KForm 4
Apr 16, 2026Whalen AmandaChief Financial OfficerSale14,000$259.56KForm 4
Apr 16, 2026Whalen AmandaChief Financial OfficerConversion4,293—Form 4
Apr 15, 2026Whalen AmandaChief Financial OfficerAward227,272—Form 4
Apr 15, 2026Whalen AmandaChief Financial OfficerAward265,151—Form 4
Apr 15, 2026Galvin CarmelChief People OfficerAward162,337—Form 4
Apr 15, 2026Galvin CarmelChief People OfficerAward189,393—Form 4
Apr 15, 2026Edmond LandonChief Legal OfficerAward129,870—Form 4
Apr 15, 2026Edmond LandonChief Legal OfficerAward151,515—Form 4
Apr 14, 2026Bialecki AndrewCo-Chief Executive OfficerSale90,858$1.54MForm 4
Apr 14, 2026Bialecki AndrewCo-Chief Executive OfficerSale109,142$1.90MForm 4
Apr 14, 2026Bialecki AndrewCo-Chief Executive OfficerConversion200,000—Form 4
Apr 7, 2026Bialecki AndrewCo-Chief Executive OfficerSale200,000$3.73MForm 4
Apr 7, 2026Bialecki AndrewCo-Chief Executive OfficerConversion200,000—Form 4
Mar 31, 2026Bialecki AndrewCo-Chief Executive OfficerSale200,000$3.88MForm 4
Mar 31, 2026Bialecki AndrewCo-Chief Executive OfficerConversion200,000—Form 4
Mar 24, 2026Bialecki AndrewCo-Chief Executive OfficerSale200,000$3.63MForm 4
Mar 24, 2026Bialecki AndrewCo-Chief Executive OfficerConversion200,000—Form 4
Mar 17, 2026Bialecki AndrewCo-Chief Executive OfficerSale102,621$1.97MForm 4
Mar 17, 2026Bialecki AndrewCo-Chief Executive OfficerSale97,379$1.91MForm 4
Mar 17, 2026Bialecki AndrewCo-Chief Executive OfficerConversion200,000—Form 4
Mar 12, 2026Whalen AmandaChief Financial OfficerSale5,077$98.19KForm 4
Mar 12, 2026Whalen AmandaChief Financial OfficerSale8,923$175.96KForm 4
Mar 12, 2026Edmond LandonChief Legal OfficerSale14,366$289.47KForm 4
Mar 10, 2026Bialecki AndrewCo-Chief Executive OfficerSale700$13.54KForm 4
Mar 10, 2026Bialecki AndrewCo-Chief Executive OfficerSale206,127$4.11MForm 4
Mar 10, 2026Bialecki AndrewCo-Chief Executive OfficerConversion206,827—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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