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:

Company Role Class Num Shares Value Price $ Report Date Ownership
Klaviyo, Inc. Co-Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 69,414,736 $2,254,139,429 $32.47 07 Jan 2026 Direct
Klaviyo, Inc. Co-Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 7,517,410 $244,116,613 $32.47 06 Jan 2026 By The Andrew P. Bialecki Grantor Retained Annuity Trust I of 2023
Klaviyo, Inc. Co-Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 517,006 $16,788,994 $32.47 06 Jan 2026 By The Andrew P. Bialecki Irrevocable GST Trust of 2023
Klaviyo, Inc. Co-Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 517,006 $16,788,994 $32.47 06 Jan 2026 By The Elizabeth L. Bialecki Irrevocable GST Trust of 2023
Klaviyo, Inc. Co-Chief Executive Officer, Director, 10%+ Owner Series B Common Stock 43,218 $1,403,439 $32.47 06 Jan 2026 By spouse
Klaviyo, Inc. Co-Chief Executive Officer, Director, 10%+ Owner Series A Common Stock 0 $0 $30.01 07 Jan 2026 Direct
Klaviyo, Inc. Co-Chief Executive Officer, Director, 10%+ Owner Stock Option (Right to Buy) 0 14 May 2025 Direct

Insider Reports Filed by Andrew Bialecki

Symbol Company Period Transactions Value $ Form Type Role Filing Time
KVYO Klaviyo, Inc. 06 Jan 2026 7 -$4,475,299 4 Co-Chief Executive Officer, Director, 10%+ Owner 08 Jan 2026, 16:31
KVYO Klaviyo, Inc. 22 Dec 2025 4 -$3,297,303 4 Chief Executive Officer, Director, 10%+ Owner 23 Dec 2025, 16:06
KVYO Klaviyo, Inc. 16 Dec 2025 6 -$7,066,338 4 Chief Executive Officer, Director, 10%+ Owner 17 Dec 2025, 17:24
KVYO Klaviyo, Inc. 09 Dec 2025 13 -$6,874,073 4 Chief Executive Officer, Director, 10%+ Owner 11 Dec 2025, 16:22
KVYO Klaviyo, Inc. 02 Dec 2025 6 -$4,093,888 4 Chief Executive Officer, Director, 10%+ Owner 04 Dec 2025, 18:50
KVYO Klaviyo, Inc. 24 Nov 2025 3 -$4,017,344 4 Chief Executive Officer, Director, 10%+ Owner 26 Nov 2025, 16:12
KVYO Klaviyo, Inc. 18 Nov 2025 3 -$4,001,456 4 Chief Executive Officer, Director, 10%+ Owner 20 Nov 2025, 16:10
KVYO Klaviyo, Inc. 11 Nov 2025 3 -$4,177,399 4 Chief Executive Officer, Director, 10%+ Owner 13 Nov 2025, 16:24
KVYO Klaviyo, Inc. 14 Oct 2025 3 -$3,980,376 4 Chief Executive Officer, Director, 10%+ Owner 16 Oct 2025, 16:09
KVYO Klaviyo, Inc. 07 Oct 2025 4 -$4,035,088 4 Chief Executive Officer, Director, 10%+ Owner 09 Oct 2025, 16:01
KVYO Klaviyo, Inc. 30 Sep 2025 7 -$3,960,362 4 Chief Executive Officer, Director, 10%+ Owner 02 Oct 2025, 16:06
KVYO Klaviyo, Inc. 23 Sep 2025 4 -$7,492,236 4 Chief Executive Officer, Director, 10%+ Owner 25 Sep 2025, 16:11
KVYO Klaviyo, Inc. 16 Sep 2025 4 -$7,323,767 4 Chief Executive Officer, Director, 10%+ Owner 17 Sep 2025, 16:38
KVYO Klaviyo, Inc. 09 Sep 2025 3 -$7,046,573 4 Chief Executive Officer, Director, 10%+ Owner 11 Sep 2025, 16:06
KVYO Klaviyo, Inc. 02 Sep 2025 4 -$6,922,959 4 Chief Executive Officer, Director, 10%+ Owner 04 Sep 2025, 16:15
KVYO Klaviyo, Inc. 26 Aug 2025 7 -$7,140,299 4 Chief Executive Officer, Director, 10%+ Owner 28 Aug 2025, 16:08
KVYO Klaviyo, Inc. 11 Jun 2025 3 $0 4 Chief Executive Officer, Director, 10%+ Owner 11 Jun 2025, 16:27
KVYO Klaviyo, Inc. 14 May 2025 6 -$360,559,956 4 Chief Executive Officer, Director, 10%+ Owner 16 May 2025, 20:59
KVYO Klaviyo, Inc. 20 Sep 2023 0 $0 3 Chief Executive Officer, Director, 10%+ Owner 20 Sep 2023, 17:27