Klaviyo, Inc.

KVYO

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001470831-26-000249
Filing date: Mar 5, 2026
Earliest execution date: Mar 5, 2026

Summary

Type

Sell

Net shares

-15,093

% of shares

-4.42%

Amount (USD)

$304,274

Insider confidence score

37.5 out of 100

Positive

  • Under Rule 10b5-1 trading plan

Negative

  • Significant scheduled sell (<5% of shares)
  • Large sell amount ($250K+)

Stock transactions

Transaction 1

Security

Series A Common Stock

Action

Sell

Date

2026-03-05

Code

S

Net shares

-15,093.0

Price per Share

$20.16

Amount (USD)

$304,274.88

Acquired/Disposed

Disposed

Shares Owned Before

341,821.0

Shares Owned After

326,728.0

Filing's footnotes

1. 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.

2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $20.00 to $20.63 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) 98,321 shares of the Issuer's Series A Common Stock, par value $0.001 per share (&quot;Series A Common Stock&quot;), and (ii) 228,407 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.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.