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  4. [Form 4] Klaviyo, Inc. Insider Trading Activity

Klaviyo insider sale: 7,105 shares at $24.35; 431,516 owned

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Klaviyo, Inc. (KVYO) President reported an open-market sale of Series A Common Stock. On 10/15/2025, the reporting person sold 7,105 shares at a weighted average price of $24.35 per share, with individual trades executed between $23.87 and $24.85. The transaction was made under a Rule 10b5-1 trading plan adopted on November 22, 2024.

Following the sale, the reporting person beneficially owns 431,516 equity interests, consisting of 121,965 shares of Series A Common Stock and 309,551 unvested RSUs awarded under the 2023 Stock Option and Incentive Plan. Ownership is reported as direct.

Positive

  • None.

Negative

  • None.
Insider Rowland Stephen Eric
Role President
Sold 7,105 shs ($173K)
Type Security Shares Price Value
Sale Series A Common Stock 7,105 $24.35 $173K
Holdings After Transaction: Series A Common Stock — 431,516 shares (Direct)
Footnotes (1)
  1. These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 22, 2024. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $23.87 to $24.85 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 sold at each separate price within the range set forth in this footnote. Consists of (i) 121,965 shares of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), and (ii) 309,551 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.
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Form 4 Insider Transactions: What Each Field Means →
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).
X
 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*
Rowland Stephen Eric
(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)
Director 10% Owner
X Officer (give title below) Other (specify below)
President
3. Date of Earliest Transaction (Month/Day/Year)
10/15/2025
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 10/15/2025 S(1) 7,105 D $24.35(2) 431,516(3) 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. These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 22, 2024.
2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $23.87 to $24.85 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 sold at each separate price within the range set forth in this footnote.
3. Consists of (i) 121,965 shares of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), and (ii) 309,551 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 10/16/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did KVYO's President report on Form 4?

A sale of 7,105 shares of Series A Common Stock on 10/15/2025 at a weighted average price of $24.35.

Was the KVYO share sale under a Rule 10b5-1 plan?

Yes. The sale was executed pursuant to a Rule 10b5-1 trading plan adopted on November 22, 2024.

What price range were the KVYO shares sold at?

Trades occurred between $23.87 and $24.85 per share; the reported price is a weighted average of $24.35.

How many KVYO securities does the insider own after the transaction?

Beneficial ownership is 431,516, including 121,965 shares and 309,551 unvested RSUs.

What is the insider's relationship to KVYO?

The reporting person is an Officer with the title President, with ownership reported as direct.

What class of KVYO stock was sold?

The transaction involved Series A Common Stock.