| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Fernandez Gomez Luciano | Co-Chief Executive Officer, Director | C/O KLAVIYO, INC. 125 SUMMER STREET, 6TH FLOOR, BOSTON | /s/ Landon Edmond, Attorney-in-Fact | 16 Jan 2026 | 0001730978 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KVYO | Series A Common Stock | Award | $0 | +1,093,801 | +1304% | $0.000000 | 1,177,653 | 15 Jan 2026 | Direct | F1 |
| transaction | KVYO | Series A Common Stock | Award | $0 | +1,193,238 | +101% | $0.000000 | 2,370,891 | 15 Jan 2026 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units ("RSUs") awarded under the Issuer's 2023 Stock Option and Incentive Plan (the "Plan"), each representing the contingent right to receive one share of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), upon vesting and settlement. The RSUs will vest in twelve equal quarterly installments, with the first such installment vesting on February 15, 2026, subject to the Reporting Person's continued service as the Issuer's co-Chief Executive Officer on each such vesting date. |
| F2 | Represents performance stock units ("PSUs") awarded under the Plan, each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement. The PSUs will vest in up to four tranches over a five-year measurement period, subject to the achievement of specified performance targets tied to the trading price of the Series A Common Stock and the Reporting Person's continued service as the Issuer's co-Chief Executive Officer through the applicable vesting date. Each tranche of PSUs will vest only if the trading price of the Series A Common Stock closes at or above a specified dollar value for a period of at least sixty consecutive calendar days during the applicable measurement period. The stock price targets for tranches 1 through 4 are $40.00, $55.00, $70.00, and $85.00 per share, respectively, subject to proportionate adjustment in the event of any stock split or other similar change in the Issuer's capital stock. |
| F3 | Consists of (i) 78,032 shares of Series A Common Stock; (ii) 1,099,621 unvested RSUs awarded under the Plan, each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement; and (iii) 1,193,238 unvested PSUs awarded under the Plan, each representing the contingent right to receive one share of Series A Common Stock upon vesting and settlement. |