WHALEN AMANDA

PrivateCIK: 1991131
Location

BOSTON, MA

WHALEN AMANDA (Chief Financial Officer) sold 3.0% of their position (14K shares) of KLAVIYO, INC. on the open market

Open‑market sale worth $439.4K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderWHALEN AMANDACIK 1991131
IssuerKLAVIYO, INC.CIK 1835830
Officer· Chief Financial Officer
Since Feb 2026
-14K
Net shares
Net seller
$439.4K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
14K disposed
Non-Derivative Transactions2

Series A Common Stock

Direct
S · Sale

Shares

13.54K

Price / share

$31.41

Trade value

$425.29K

% of position

2.9%
12/18/2025
466.17K452.63K

Series A Common Stock

Direct
S · Sale

Shares

460.00

Price / share

$30.59

Trade value

$14.07K

% of position

0.1%
12/18/2025
452.63K452.17K
Total

Net shares

14K

Net value

-$439.36K

Derivative Transactions0
No derivative transactions reported
WHALEN AMANDA — Insider Transaction (Form 4) Filed Dec 19, 2025 | Finecho