Klaviyo (KVYO) director Jennifer Ceran purchases 16,339 Series A shares in open market

Rhea-AI Filing Summary

Klaviyo, Inc. director Jennifer Ceran reported an open-market purchase of Series A Common Stock. On February 12, 2026, she bought 16,339 shares of Klaviyo’s Series A Common Stock at a weighted average price of $18.38 per share, through multiple trades between $18.36 and $18.38.

After this purchase, she beneficially owned 30,691 securities, consisting of 24,871 shares of Series A Common Stock and 5,820 unvested restricted stock units granted under Klaviyo’s 2023 Stock Option and Incentive Plan, each RSU representing the right to receive one share upon vesting and settlement.

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

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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^*

Ceran Jennifer

(Last) (First) (Middle)

C/O KLAVIYO, INC.

125 SUMMER STREET, 6TH FLOOR

(Street)

BOSTON MA 02110

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/12/2026

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

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

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

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	02/12/2026		P		16,339(1)	A	$18.38	30,691(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. The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $18.36 to $18.38 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price at which the transactions were effected.

2. Consists of (i) 24,871 shares of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), and (ii) 5,820 unvested restricted stock units 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.

Remarks:

	/s/ Landon Edmond, Attorney-in-Fact	02/17/2026
	** 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.

FAQ

What insider transaction did Klaviyo (KVYO) director Jennifer Ceran report?

Jennifer Ceran reported an open-market purchase of Klaviyo Series A Common Stock. She acquired 16,339 shares on February 12, 2026 at a weighted average price of $18.38 per share, with trades executed between $18.36 and $18.38 per share.

How many Klaviyo (KVYO) shares does Jennifer Ceran beneficially own after this Form 4?

After the reported transaction, Jennifer Ceran beneficially owns 30,691 securities tied to Klaviyo. This consists of 24,871 shares of Series A Common Stock and 5,820 unvested restricted stock units, each RSU representing the contingent right to receive one share upon vesting and settlement.

What price did Jennifer Ceran pay for Klaviyo (KVYO) shares in this purchase?

She paid a weighted average price of $18.38 per share for the Klaviyo stock. The filing notes the shares were purchased in multiple transactions, with individual trade prices ranging from $18.36 to $18.38 per share in the open market.

What type of security did Jennifer Ceran buy in Klaviyo (KVYO)?

The transaction involved Klaviyo’s Series A Common Stock. In addition to the purchased shares, her beneficial ownership includes unvested restricted stock units granted under the 2023 Stock Option and Incentive Plan, each RSU convertible into one share upon vesting and settlement.

Does the Form 4 for Klaviyo (KVYO) include any derivative securities transactions?

The Form 4 table for derivative securities shows no derivative transactions for this event. The only reported activity is the open-market purchase of non-derivative Series A Common Stock, with derivative-related exposure limited to previously granted unvested restricted stock units.

What does the weighted average price disclosure mean in the Klaviyo (KVYO) Form 4?

The weighted average price of $18.38 reflects multiple trades executed at slightly different prices. The filing states the shares were bought between $18.36 and $18.38, and notes that detailed trade-by-trade pricing information is available to the issuer, holders, or SEC staff upon request.