Andrew Bialecki

Insider Reports History

Location
Boston, MA
Signature
/s/ Landon Edmond, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Andrew Bialecki:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Klaviyo, Inc. Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 69.9M $1.83B $26.15 Dec 11, 2025 Direct
Klaviyo, Inc. Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 7.52M $197M $26.15 Dec 9, 2025 By The Andrew P. Bialecki Grantor Retained Annuity Trust I of 2023
Klaviyo, Inc. Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 517K $13.5M $26.15 Dec 9, 2025 By The Andrew P. Bialecki Irrevocable GST Trust of 2023
Klaviyo, Inc. Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 517K $13.5M $26.15 Dec 9, 2025 By The Elizabeth L. Bialecki Irrevocable GST Trust of 2023
Klaviyo, Inc. Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 43.2K $1.13M $26.15 Dec 9, 2025 By spouse
Klaviyo, Inc. Chief Executive Officer, Director, 10%+ Owner Series A Common Stock 0 $0 $26.15 Dec 11, 2025 Direct
Klaviyo, Inc. Chief Executive Officer, Director, 10%+ Owner Stock Option (Right to Buy) 0 May 14, 2025 Direct

Insider Reports Filed by Andrew Bialecki

Symbol Company Period Transactions Value $ Form Type Date Filed Role
KVYO Klaviyo, Inc. Dec 9, 2025 13 -$6.87M 4 Dec 11, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Dec 2, 2025 6 -$4.09M 4 Dec 4, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Nov 24, 2025 3 -$4.02M 4 Nov 26, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Nov 18, 2025 3 -$4M 4 Nov 20, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Nov 11, 2025 3 -$4.18M 4 Nov 13, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Oct 14, 2025 3 -$3.98M 4 Oct 16, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Oct 7, 2025 4 -$4.04M 4 Oct 9, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Sep 30, 2025 7 -$3.96M 4 Oct 2, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Sep 23, 2025 4 -$7.49M 4 Sep 25, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Sep 16, 2025 4 -$7.32M 4 Sep 17, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Sep 9, 2025 3 -$7.05M 4 Sep 11, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Sep 2, 2025 4 -$6.92M 4 Sep 4, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Aug 26, 2025 7 -$7.14M 4 Aug 28, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Jun 11, 2025 3 $0 4 Jun 11, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. May 14, 2025 6 -$361M 4 May 16, 2025 Chief Executive Officer, Director, 10%+ Owner
KVYO Klaviyo, Inc. Sep 20, 2023 0 $0 3 Sep 20, 2023 Chief Executive Officer, Director, 10%+ Owner