WHALEN AMANDA

PrivateCIK: 1991131
Location

BOSTON, MA

Senior insider sale

Chief Financial Officer at KLAVIYO, INC. — senior position signals high conviction

$1.05M

56K shares

What this filing means

WHALEN AMANDA plans to sell 56K shares of KLAVIYO, INC. valued at approximately $1.05M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderWHALEN AMANDACIK 1991131
IssuerKLAVIYO, INC.CIK 1835830
Officer· Chief Financial Officer
Since Feb 2026
56K
Shares to sell
$1.05M
Approx. market value
28K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock Units

N/A

11/15/2025
28K
Total acquired28K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

14K

Market value

$274.1K

3/12/2026
Completed

Units to sell

14K

Market value

$264.4K

2/13/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

28K

Market value

$514.4K

4/16/2026
Total

Units

56K

Value

$1.05M

WHALEN AMANDA — Planned Insider Sale (Form 144) | Finecho