Form 4 Tracker
Klaviyo, Inc.
KVYO

54 insider filings · Latest: Oct 7, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 7, 2026Oct 9 8:30 PMHallen EdDirector, 10% Owner
Sale
97,482$17.40$1.7M388,131(I)

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Oct 7, 2026Oct 7 8:12 PMHallen Ed
Proposed Sale
97,482$17.40$1.7M—

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Sep 24, 2026Sep 25 9:50 PMHallen EdDirector, 10% Owner
Sale
1,300$17.02$22.1K446,946(I)

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Sep 24, 2026Sep 24 8:12 PMHallen Ed
Proposed Sale
1,300$17.02$22.1K—

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Sep 17, 2026Sep 17 8:33 PMAMANDA WHALEN
Proposed Sale
42,000$16.23$681.7K—

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Sep 11, 2026Sep 14 8:49 PMLedger Susan St.Director
Sale
2,328$15.93$37.1K23,433(D)

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Sep 11, 2026Sep 11 2:42 PMSt. Ledger Susan
Proposed Sale
2,328$15.93$37.1K—

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Aug 31, 2026Sep 2 12:18 AMHallen EdDirector, 10% Owner
Sale
98,782$20.48$2.0M465,631(I)

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Aug 31, 2026Sep 2 12:16 AMLandon EdmondChief Legal Officer
Sale
8,103$20.44$165.6K477,866(D)

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Aug 28, 2026Sep 2 12:16 AMLandon EdmondChief Legal Officer
Sale
53,473$20.01$1.1M485,969(D)

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Aug 31, 2026Aug 31 8:32 PMHallen Ed
Proposed Sale
98,782$20.48$2.0M—

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Aug 31, 2026Aug 31 8:30 PMLANDON RAMON EDMOND
Proposed Sale
8,103$20.15$163.3K—

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Aug 28, 2026Aug 28 8:26 PMLANDON EDMOND
Proposed Sale
53,473$19.61$1.0M—

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Aug 14, 2026Aug 19 12:02 AMAmanda WhalenChief Financial Officer
Sale
14,000$18.47$258.6K824,192(D)

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Aug 11, 2026Aug 13 8:30 PMSUMMIT PARTNERS L P10% Owner
Sale
5,000,000$17.71$88.5M0(I)

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Aug 11, 2026Aug 11 10:36 PMSummit Partners Growth Equity Fund IX-B, L.P.
Proposed Sale
1,845,131$18.36$33.9M—

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Aug 11, 2026Aug 11 10:35 PMSummit Partners Growth Equity Fund IX-A, L.P.
Proposed Sale
2,955,112$18.36$54.3M—

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Aug 11, 2026Aug 11 10:34 PMSummit Partners Co-Invest (Kiwi) L.P.
Proposed Sale
182,210$18.36$3.3M—

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Aug 11, 2026Aug 11 10:33 PMSummit Investors GE IX-VC IV, LLC
Proposed Sale
15,531$18.36$285.1K—

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Aug 11, 2026Aug 11 10:32 PMSummit Investors GE IX/VC IV (UK), L.P.
Proposed Sale
2,016$18.36$37.0K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 10, 2026Mar 13 1:47 AMBialecki AndrewDirector, Co-Chief Executive Officer, 10% Owner
Conversion
206,827—68,344,118(D)

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Mar 3, 2026Mar 6 2:32 AMBialecki AndrewDirector, Co-Chief Executive Officer, 10% Owner
Conversion
200,000—68,550,945(D)

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Feb 24, 2026Feb 27 2:30 AMBialecki AndrewDirector, Co-Chief Executive Officer, 10% Owner
Conversion
200,000—68,750,945(D)

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Feb 17, 2026Feb 18 9:16 PMLandon EdmondChief Legal Officer
Conversion
11,052—0(D)

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Feb 15, 2026Feb 18 9:16 PMLandon EdmondChief Legal Officer
Conversion
11,448—11,052(D)

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Feb 15, 2026Feb 18 9:12 PMAmanda WhalenChief Financial Officer
Conversion
29,513—301,405(D)

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Feb 13, 2026Feb 18 9:12 PMAmanda WhalenChief Financial Officer
Conversion
14,000—330,918(D)

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Jan 29, 2026Jan 30 9:30 PMLlc 3 Shopify Strategic Holdings10% Owner
X
344,383$0.012,066,293(D)

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Jan 29, 2026Jan 30 9:30 PMLlc 3 Shopify Strategic Holdings10% Owner
X
344,383—16,628,727(D)

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Jan 27, 2026Jan 29 9:29 PMBialecki AndrewDirector, Co-Chief Executive Officer, 10% Owner
Conversion
155,219—68,950,945(D)

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Jan 20, 2026Jan 22 9:29 PMBialecki AndrewDirector, Co-Chief Executive Officer, 10% Owner
Conversion
167,926—69,106,164(D)

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