Form 4 Tracker
Summit Partners Growth Equity Fund IX-B, L.P.

10% Owner · 1 filing · Latest: Aug 11, 2026

Klaviyo, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.10% OwnerAug 11, 2026
Sale
$17.715,000,000$88.5M0
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.Aug 11, 2026
Proposed Sale
$18.361,845,131$33.9M
LFST
Summit Partners Growth Equity Fund IX-B, L.P.Aug 10, 2026
Proposed Sale
$10.621,088,162$11.6M
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.Sep 8, 2025
Proposed Sale
$33.201,476,104$49.0M
LFST
SUMMIT PARTNERS GROWTH EQUITY FUND IX-B, L.P.Aug 18, 2025
Proposed Sale
$5.413,214,648$17.4M
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.Jun 4, 2025
Proposed Sale
$34.741,476,104$51.3M
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.May 19, 2025
Proposed Sale
$34.501,476,104$50.9M
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.Mar 14, 2025
Proposed Sale
$32.00738,052$23.6M
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.Dec 9, 2024
Proposed Sale
$40.41774,955$31.3M
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.Nov 14, 2024
Proposed Sale
$36.951,158,323$42.8M
KVYO
Summit Partners Growth Equity Fund IX-B, L.P.Aug 27, 2024
Proposed Sale
$32.18369,026$11.9M