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Summit Partners L P's Form 4 filing

Klaviyo, Inc. (KVYO) · filed Aug 27, 2025

Accession no.
0001415889-25-023115
Filed
Aug 27, 2025, 4:05 PM ET
Trade date
Aug 25, 2025
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $29.3M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Summit Partners L PCIK 000083058810% Owner
Summit Partners Growth Equity Fund IX-A, L.P.CIK 000163441510% Owner
Summit Partners Growth Equity Fund IX-B, L.P.CIK 000163442610% Owner
Summit Investors Ge IX/VC IV, LLCCIK 000165407410% Owner
Summit Partners Co-Invest (Kiwi), LPCIK 000183087710% Owner
Summit Investors Ge IX/VC IV (UK), L.P.CIK 000184670910% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Aug 25, 2025Series A Common Stock, par value $0.001 per shareCConversionAcquired+975,000––975,000Indirect
Aug 25, 2025Series A Common Stock, par value $0.001 per shareSSaleDisposed−975,000$30.01−$29,259,7500Indirect

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Aug 25, 2025Series A Common Stock, par value $0.001 per shareCConversionAcquired+975,000$0.00$022,852,778Indirect

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

Read the original on SEC EDGAR (opens in a new tab)