Amanda Whalen Sells $259K of Klaviyo Inc (KVYO) — SEC Form 4, Aug 19, 2026

Open-Market Net Sale · SEC Form 4

−$258,580

10b5-1 Plan (Partial)

Equity position changed by -5.1%

Reporting Owner

Amanda Whalen

CFO

TXN 2026-08-15 · FILED 2026-08-19

Equity Position 795K sh 838,192 → 795,242

Equity Change -5.1% shares held after vs before

Filing Lag 3 business days late vs 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Klaviyo Inc

KVYO CIK 0001835830

Reporting Owner

Name	Relationship
Amanda Whalen CIK 0001991131	CFO

Amanda Whalen at Klaviyo Inc Full insider history

Bought (12 mo) —

Sold (12 mo) $2,919,958

More from this insider at Klaviyo Inc

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Series A Common StockF1 F2	2026-08-14	S - Sale 10b5-1	14,000 D	$18.47	-$258,580	824,192	Direct
Series A Common StockF3 F4	2026-08-15	F - Tax Payment	28,950 D	$18.49	-$535,286	795,242	Direct

Footnotes (4)

F1: These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 21, 2025. Show more
F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $18.25 to $18.82 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. Show more
F3: 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"). Show more
F4: Consists of (i) 89,917 shares of Series A Common Stock; (ii) 478,053 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) 227,272 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. Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 10 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Klaviyo Inc

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