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Klaviyo, Inc.

KVYO
Exchange
NYSE
Industry
Services-Prepackaged Software
SEC CIK
0001835830

In the last 90 days, Klaviyo, Inc. insiders filed 0 open-market purchases and 7 sales; 277 institutions reported holding it in 13F filings for Q2 2026, worth $2.19B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Klaviyo, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
7 filings
5 insiders, $92.4M in total
Insiders trading
5
Net value
−$92.4M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Klaviyo, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Klaviyo, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Hallen EdDirector, 10% Owner446,946IndirectSep 25, 20265
Smith Erica EllenChief Financial Officer1,150,684Sep 17, 20261
St. Ledger SusanDirector23,433Sep 14, 20263
Edmond LandonChief Legal Officer477,866Sep 1, 202613
Shopify Inc.10% Owner–Aug 31, 20264
Shopify Strategic Holdings 3 LLC10% Owner–Aug 31, 20264
Fernandez Gomez LucianoCo-Chief Executive Officer2,301,573Aug 18, 20266
Galvin CarmelChief People Officer907,458Aug 18, 20265
Whalen AmandaChief Financial Officer795,242Aug 18, 202611
Summit Partners L P10% Owner0IndirectAug 13, 20261
Summit Partners Growth Equity Fund IX-A, L.P.10% Owner0IndirectAug 13, 20261
Summit Partners Growth Equity Fund IX-B, L.P.10% Owner0IndirectAug 13, 20261
Summit Investors Ge IX/VC IV, LLC10% Owner0IndirectAug 13, 20261
Summit Partners Co-Invest (Kiwi), LP10% Owner0IndirectAug 13, 20261
Summit Investors Ge IX/VC IV (UK), L.P.10% Owner0IndirectAug 13, 20261
Oulman RoxanneDirector16,775IndirectJul 24, 20262
Ceran JenniferDirector45,513Jun 11, 20262
Weisman TonyDirector104,174Jun 11, 20261
Bialecki AndrewCo-Chief Executive Officer0May 28, 202625
Rowland Stephen EricPresident434,294Dec 17, 20253
Fagnan Jeff10% Owner3,900IndirectApr 10, 20250
Chaves AllenChief Technology Officer0Sep 18, 20240
Astral Capital ABEH, LLC10% Owner5,129,342Feb 15, 20240
Astral Capital ABEH Manager, LLC10% Owner5,129,342Feb 15, 20240
Karlen Jon10% Owner5,129,342Feb 15, 20240
Accomplice Fund I, L.P.10% Owner26,720Oct 23, 20230
Moore Ryan R10% Owner26,720Oct 23, 20230
Accomplices Associates I, LLC10% Owner26,720Oct 23, 20230

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Feb 27, 2025 (view filing)Feb 252 daysGalvin CarmelChief People OfficerSSaleSeries A Common Stock−11.5K$40.34−$465.1K−1.8%617.7K after2 lots10b5-1
Mar 5, 2025 (view filing)Mar 32 daysEdmond LandonChief Legal OfficerSSaleSeries A Common Stock−6.22K$38.86−$241.8K−2.1%286.8K after2 lots10b5-1
Mar 7, 2025 (view filing)Mar 7Same dayRowland Stephen EricPresidentSSaleSeries A Common Stock−36.7K$35.08−$1.29M−13.0%246.3K after4 lots10b5-1
Mar 17, 2025 (view filing)5:11 PM ETMar 143 daysSummit Partners L P and 5 others10% OwnerSSaleSeries A Common Stock, par value $0.001 per share−2.00M$32.44−$64.9M−100.0%0 after
Mar 18, 2025 (view filing)Mar 144 daysWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$33.54−$503.1K−4.1%349.6K after2 lots10b5-1
Apr 10, 2025 (view filing)Apr 91 dayFagnan Jeff10% OwnerPPurchaseSeries A Common Stock+3.90K$25.77+$100.5KNew position3.90K after
Apr 11, 2025 (view filing)Apr 11Same dayWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$26.70−$400.5K−2.6%553.9K after2 lots10b5-1
Apr 16, 2025 (view filing)Apr 151 dayRowland Stephen EricPresidentSSaleSeries A Common Stock−7.06K$26.66−$188.2K−1.6%447.3K after10b5-1
May 16, 2025 (view filing)May 16Same dayWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$34.98−$524.7K−2.8%521.6K after10b5-1
May 16, 2025 (view filing)May 16Same dayGalvin CarmelChief People OfficerSSaleSeries A Common Stock−11.2K$35.01−$390.6K−1.5%711.8K after10b5-1
May 16, 2025 (view filing)May 15-161 dayRowland Stephen EricPresidentSSaleSeries A Common Stock−14.1K$34.93−$493.9K−3.0%450.0K after3 lots10b5-1
May 16, 2025 (view filing)May 16Same dayEdmond LandonChief Legal OfficerSSaleSeries A Common Stock−9.96K$34.85−$347.3K−2.4%404.7K after10b5-1
May 16, 2025 (view filing)8:59 PM ETMay 16Same dayBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−11.0M$32.90−$360.8M−100.0%0 after
May 20, 2025 (view filing)6:25 PM ETMay 191 daySummit Partners L P and 5 others10% OwnerSSaleSeries A Common Stock, par value $0.001 per share−4.00M$33.00−$132.0M−100.0%0 after
Jun 5, 2025 (view filing)7:13 PM ETJun 41 daySummit Partners L P and 5 others10% OwnerSSaleSeries A Common Stock, par value $0.001 per share−4.00M$33.35−$133.4M−100.0%0 after
Jun 13, 2025 (view filing)Jun 13Same dayWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$33.47−$502.1K−2.8%517.8K after10b5-1
Jun 17, 2025 (view filing)Jun 161 dayRowland Stephen EricPresidentSSaleSeries A Common Stock−7.08K$34.56−$244.6K−1.6%442.9K after2 lots10b5-1
Jul 14, 2025 (view filing)Jul 113 daysWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$31.66−$474.8K−2.8%517.8K after2 lots10b5-1
Jul 16, 2025 (view filing)Jul 151 dayRowland Stephen EricPresidentSSaleSeries A Common Stock−7.08K$31.56−$223.4K−1.6%435.8K after10b5-1
Aug 15, 2025 (view filing)4:17 PM ETAug 132 daysSummit Partners L P and 5 others10% OwnerSSaleSeries A Common Stock, par value $0.001 per share−6.50M$30.01−$195.1M−92.9%500.0K after
Aug 19, 2025 (view filing)Aug 181 dayEdmond LandonChief Legal OfficerSSaleSeries A Common Stock−9.96K$31.46−$313.5K−2.5%392.6K after10b5-1
Aug 19, 2025 (view filing)Aug 181 dayRowland Stephen EricPresidentSSaleSeries A Common Stock−7.11K$31.46−$223.5K−1.6%445.7K after10b5-1
Aug 19, 2025 (view filing)Aug 181 dayGalvin CarmelChief People OfficerSSaleSeries A Common Stock−11.2K$31.67−$353.3K−1.6%675.8K after10b5-1
Aug 19, 2025 (view filing)Aug 154 daysWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$31.32−$469.8K−3.0%485.5K after10b5-1
Aug 27, 2025 (view filing)4:05 PM ETAug 252 daysSummit Partners L P and 5 others10% OwnerSSaleSeries A Common Stock, par value $0.001 per share−975.0K$30.01−$29.3M−100.0%0 after
Aug 28, 2025 (view filing)Aug 262 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−226.7K$31.50−$7.14M−100.0%0 after2 lots10b5-1
Sep 4, 2025 (view filing)Sep 22 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−223.3K$31.00−$6.92M−100.0%0 after2 lots10b5-1
Sep 10, 2025 (view filing)4:15 PM ETSep 82 daysSummit Partners L P and 5 others10% OwnerSSaleSeries A Common Stock, par value $0.001 per share−4.00M$31.87−$127.5M−100.0%0 after
Sep 11, 2025 (view filing)Sep 92 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−220.5K$31.96−$7.05M−100.0%0 after10b5-1
Sep 12, 2025 (view filing)Sep 102 daysSt. Ledger SusanDirectorSSaleSeries A Common Stock−3.41K$32.20−$109.9K−23.8%10.9K after10b5-1
Sep 12, 2025 (view filing)Sep 12Same dayWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$31.50−$472.5K−3.0%481.7K after10b5-1
Sep 17, 2025 (view filing)Sep 152 daysRowland Stephen EricPresidentSSaleSeries A Common Stock−7.11K$31.88−$226.5K−1.6%438.6K after2 lots10b5-1
Sep 17, 2025 (view filing)Sep 161 dayBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−226.4K$32.35−$7.32M−100.0%0 after2 lots10b5-1
Sep 17, 2025 (view filing)Sep 152 daysHallen EdDirector, 10% OwnerSSaleSeries A Common Stock−89.7K$31.71−$2.85M−11.0%722.5K after2 lots10b5-1
Sep 25, 2025 (view filing)Sep 232 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−211.4K$35.45−$7.49M−100.0%0 after2 lots10b5-1
Oct 2, 2025 (view filing)Sep 302 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−137.2K$28.86−$3.96M−100.0%0 after5 lots10b5-1
Oct 9, 2025 (view filing)Oct 72 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−159.5K$25.30−$4.04M−100.0%0 after2 lots10b5-1
Oct 10, 2025 (view filing)Oct 10Same dayWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$25.03−$375.4K−3.0%481.7K after2 lots10b5-1
Oct 16, 2025 (view filing)Oct 142 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−163.3K$24.37−$3.98M−100.0%0 after10b5-1
Oct 16, 2025 (view filing)Oct 151 dayRowland Stephen EricPresidentSSaleSeries A Common Stock−7.11K$24.35−$173.0K−1.6%431.5K after10b5-1
Nov 12, 2025 (view filing)Nov 10-112 daysHallen EdDirector, 10% OwnerSSaleSeries A Common Stock−62.3K$30.04−$1.87M−9.3%608.5K after4 lots10b5-1
Nov 13, 2025 (view filing)Nov 112 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−140.5K$29.74−$4.18M−100.0%0 after10b5-1
Nov 18, 2025 (view filing)Nov 144 daysWhalen AmandaChief Financial OfficerSSaleSeries A Common Stock−15.0K$28.60−$428.9K−3.0%481.7K after2 lots10b5-1
Nov 18, 2025 (view filing)Nov 171 dayGalvin CarmelChief People OfficerSSaleSeries A Common Stock−11.2K$27.51−$306.9K−1.7%639.9K after2 lots10b5-1
Nov 18, 2025 (view filing)Nov 171 dayRowland Stephen EricPresidentSSaleSeries A Common Stock−7.10K$27.39−$194.6K−1.6%441.4K after10b5-1
Nov 20, 2025 (view filing)Nov 182 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−147.3K$27.16−$4.00M−100.0%0 after10b5-1
Nov 21, 2025 (view filing)Nov 201 dayEdmond LandonChief Legal OfficerSSaleSeries A Common Stock−14.4K$27.59−$397.1K−3.7%376.5K after2 lots10b5-1
Nov 26, 2025 (view filing)Nov 242 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−144.7K$27.76−$4.02M−100.0%0 after10b5-1
Dec 4, 2025 (view filing)Dec 2-42 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−143.0K$28.63−$4.09M−100.0%0 after2 lots10b5-1
Dec 11, 2025 (view filing)Dec 9-112 daysBialecki AndrewChief Executive OfficerSSaleSeries A Common Stock−231.4K$29.71−$6.87M−100.0%0 after4 lots10b5-1