InsiderTrades

Form 4 for KVYO Klaviyo, Inc.

Accepted 2026-05-20 20:05:43 ET · period of report 2026-05-18 · accession 0001470831-26-000481 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-05-20 20:05 2026-05-18 KVYO St. Ledger Susan Dir C - Cnv Deriv — +9,334 20.3K +85% —
DT 2026-05-20 20:05 2026-05-18 KVYO St. Ledger Susan Dir S - Sale $14.27 -9,334 10.9K -46% -$133.2K
DT 2026-05-20 20:05 2026-05-18 KVYO St. Ledger Susan Dir C - Cnv Deriv $0.00 -9,334 50.2K -16% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Series A Common Stock 2026-05-18 C A 9,334 — 20,273 D — — (F1) These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025. (F2) Each share of the Issuer's Series B Common Stock, par value $0.001 per share ("Series B Common Stock"), is convertible at any time at the option of the holder into one share of the Issuer's Series A Common Stock, par value $0.001 per share ("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.
2 Common Series A Common Stock 2026-05-18 S D 9,334 $14.27 10,939 D — — (F1) These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025. (F3) Consists of (i) 5,119 shares of 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.
3 Derivative Series B Common Stock 2026-05-18 C D 9,334 $0.00 50,166 D — · — to — 9,334 Series A Common Stock (F2) Each share of the Issuer's Series B Common Stock, par value $0.001 per share ("Series B Common Stock"), is convertible at any time at the option of the holder into one share of the Issuer's Series A Common Stock, par value $0.001 per share ("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. (F1) These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025. (F2) Each share of the Issuer's Series B Common Stock, par value $0.001 per share ("Series B Common Stock"), is convertible at any time at the option of the holder into one share of the Issuer's Series A Common Stock, par value $0.001 per share ("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. (F2) Each share of the Issuer's Series B Common Stock, par value $0.001 per share ("Series B Common Stock"), is convertible at any time at the option of the holder into one share of the Issuer's Series A Common Stock, par value $0.001 per share ("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. (F4) Consists of 50,166 shares of Series B Common Stock.