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CIK 0001835830 · Large accelerated filer

Klaviyo, Inc.

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Ticker
KVYO
Exchange
NYSE
Industry
Services-Prepackaged Software
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
800-338-1744
Business address
125 SUMMER STREET, FLOOR 6, BOSTON, MA, 02110
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$7,407,736
in 7 filings, $7.4M under 10b5-1 plans

Net −$7,407,736. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 23 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-11-06 Oulman Roxanne Director Sale 10b5-1 −13,989 $20.36 $285K 23,354
2026-11-05 Hallen Ed Director Sale 10b5-1 −32,663 $21.35 $697K 22,627
2026-11-05 Hallen Ed Director Sale 10b5-1 −6,504 $20.71 $135K 16,123
2026-11-05 Hallen Ed Director Sale 10b5-1 −45,558 $21.52 $980K 324,688
2026-11-05 Hallen Ed Director Sale 10b5-1 −14,057 $21.07 $296K 310,631
2026-11-05 Hallen Ed Director Gift 10b5-1 −17,885 292,746
2026-10-08 Hallen Ed Director Gift 10b5-1 −17,885 370,246
2026-10-07 Hallen Ed Director Sale 10b5-1 −38,667 $17.40 $673K 55,290
2026-10-07 Hallen Ed Director Sale 10b5-1 −58,815 $17.40 $1.0M 388,131
2026-09-24 Hallen Ed Director Sale 10b5-1 −500 $17.02 $9K 93,957
2026-09-24 Hallen Ed Director Sale 10b5-1 −800 $17.02 $14K 446,946
2026-09-15 Smith Erica Ellen Chief Financial Officer Grant or award +821,917 821,917
2026-09-15 Smith Erica Ellen Chief Financial Officer Grant or award +328,767 1,150,684
2026-09-11 St. Ledger Susan Director Sale 10b5-1 −2,328 $15.93 $37K 23,433
2026-08-31 Hallen Ed Director Sale 10b5-1 −39,167 $20.47 $802K 94,457
2026-08-31 Hallen Ed Director Sale 10b5-1 −59,615 $20.49 $1.2M 465,631
2026-08-31 Hallen Ed Director Gift 10b5-1 −17,885 447,746
2026-08-31 Edmond Landon Chief Legal Officer Sale 10b5-1 −8,103 $20.44 $166K 477,866
2026-08-31 Shopify Strategic Holdings 3 LLC 10% owner Option exercise · Warrants to Purchase Series B Common Stock (Right to Buy) −344,383 1,377,529
2026-08-31 Shopify Strategic Holdings 3 LLC 10% owner Option exercise · Series B Common Stock +344,383 $0.01 $3K 17,317,491

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