Klaviyo (NYSE: KVYO) legal chief holds 539,442 share-linked units

Rhea-AI Filing Summary

Klaviyo, Inc. (KVYO) reported that Chief Legal Officer Edmond Landon had 22,342 shares of Series A Common Stock withheld on August 15, 2026 to satisfy tax withholding obligations related to vesting restricted stock units. After this tax-withholding disposition, he holds 539,442 equity-linked interests, consisting of 112,462 shares, 297,110 unvested RSUs, and 129,870 unvested performance stock units.

Insider Trade Summary

Net Seller: 22,342 shares

Net Sell 1 txn

Insider Edmond Landon

Role Chief Legal Officer

Type	Security	Shares	Price	Value
Tax Withholding	Series A Common Stock F1, F2	22,342	$18.49	$413K

Holdings After Transaction: Series A Common Stock — 539,442 shares (Direct)

Footnotes (2)

1. F1. Represents shares of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs").
2. F2. Consists of (i) 112,462 shares of Series A Common Stock; (ii) 297,110 unvested RSUs awarded under the Issuer's 2023 Stock Option and Incentive Plan (the "Plan"), each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement; and (iii) 129,870 unvested performance stock units awarded under the Plan, each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement.

Key Figures

Shares withheld for tax: 22,342 shares Price per share for tax withholding: $18.49 per share Shares held after transaction: 112,462 shares +3 more

6 metrics

Shares withheld for tax 22,342 shares Series A Common Stock withheld to satisfy tax obligations on RSU vesting

Price per share for tax withholding $18.49 per share Valuation used for the 22,342 withheld shares

Shares held after transaction 112,462 shares Series A Common Stock directly held after the transaction

Unvested RSUs 297,110 units Unvested restricted stock units under the 2023 Stock Option and Incentive Plan

Unvested PSUs 129,870 units Unvested performance stock units under the 2023 Stock Option and Incentive Plan

Total equity-linked interests 539,442 Sum of shares, unvested RSUs, and unvested PSUs following the transaction

Key Terms

restricted stock units, performance stock units, tax withholding obligations, 2023 Stock Option and Incentive Plan

4 terms

restricted stock units financial

"withholding obligations in connection with the vesting and settlement of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

performance stock units financial

"129,870 unvested performance stock units awarded under the Plan"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

tax withholding obligations financial

"withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting"

2023 Stock Option and Incentive Plan financial

"unvested RSUs awarded under the Issuer's 2023 Stock Option and Incentive Plan"

FAQ

What insider transaction did KVYO’s Chief Legal Officer report on this Form 4?

Edmond Landon reported a tax-withholding disposition of 22,342 shares of Klaviyo Series A Common Stock on August 15, 2026, used to satisfy tax obligations from vesting restricted stock units rather than an open-market sale.

Was the KVYO Form 4 transaction an open-market sale of shares?

No. The transaction used code F, meaning 22,342 shares were withheld by Klaviyo to pay tax liabilities upon RSU vesting, rather than being sold in the open market for discretionary purposes.

How many KVYO shares and units does Edmond Landon hold after this transaction?

Following the transaction, Edmond Landon is reported to hold 112,462 shares of Series A Common Stock, 297,110 unvested RSUs, and 129,870 unvested performance stock units, for a total of 539,442 equity-linked interests in Klaviyo.

What price per share is associated with the KVYO tax-withholding transaction?

The tax-withholding disposition of 22,342 shares of Klaviyo Series A Common Stock was reported at $18.49 per share. This price is used to value the shares withheld to satisfy the reporting person’s tax obligations on RSU vesting.

What equity awards under Klaviyo’s 2023 Plan does the KVYO Chief Legal Officer hold?

Edmond Landon holds 297,110 unvested RSUs and 129,870 unvested performance stock units granted under Klaviyo’s 2023 Stock Option and Incentive Plan, each unit representing a contingent right to receive one share of Series A Common Stock upon vesting and settlement.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 08:07 PM Accepted by SEC EDGAR 08/18/2026 - 08:06 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Edmond Landon

(Last) (First) (Middle)

C/O KLAVIYO, INC.

125 SUMMER STREET, 6TH FLOOR

(Street)

BOSTON MASSACHUSETTS 02110

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Klaviyo, Inc. [ KVYO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Series A Common Stock	08/15/2026		F(1)		22,342	D	$18.49	539,442(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs").

2. Consists of (i) 112,462 shares of Series A Common Stock; (ii) 297,110 unvested RSUs awarded under the Issuer's 2023 Stock Option and Incentive Plan (the "Plan"), each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement; and (iii) 129,870 unvested performance stock units awarded under the Plan, each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement.

Remarks:

	/s/ Landon Edmond	08/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)