Landon Edmond - 15 Feb 2026 Form 4 Insider Report for Klaviyo, Inc. (KVYO)

Role: Chief Legal Officer
Signature: /s/ Landon Edmond
Issuer symbol: KVYO
Transactions as of: 15 Feb 2026
Net transactions value: -$456,835
Form type: 4
Filing time: 18 Feb 2026, 16:16:27 UTC
Previous filing: 16 Jan 2026
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Edmond Landon	Chief Legal Officer	C/O KLAVIYO, INC., 125 SUMMER STREET, 6TH FLOOR, BOSTON	/s/ Landon Edmond	18 Feb 2026	0001991399

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	KVYO	Series A Common Stock	Conversion of derivative security		+11,448	+3.3%		355,330	15 Feb 2026	Direct	F1, F2
transaction	KVYO	Series A Common Stock	Tax liability	$456,835	-24,561	-6.9%	$18.60	330,769	15 Feb 2026	Direct	F3
transaction	KVYO	Series A Common Stock	Conversion of derivative security		+11,052	+3.3%		341,821	17 Feb 2026	Direct	F2, F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	KVYO	Series B Common Stock	Conversion of derivative security	$0	-11,448	-51%	$0.000000	11,052	15 Feb 2026	Series A Common Stock	11,448		Direct	F1, F2
transaction	KVYO	Series B Common Stock	Conversion of derivative security	$0	-11,052	-100%	$0.000000	0	17 Feb 2026	Series A Common Stock	11,052		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents 11,448 shares of the Issuer's Series B Common Stock, par value $0.001 per share ("Series B Common Stock"), automatically converted into shares of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), in connection with tax withholding obligations related to the vesting and settlement of restricted stock units ("RSUs").
F2	Each share of Series B Common Stock is convertible at any time at the option of the holder into one share of Series A Common Stock and will automatically convert into one share of Series A Common Stock upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation. The Series B Common Stock has no expiration date.
F3	Represents shares of Series A Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of RSUs.
F4	Consists of (i) 113,414 shares of Series A Common Stock and (ii) 228,407 unvested RSUs awarded under the Issuer's 2023 Stock Option and Incentive Plan, each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement.