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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Hallen Ed −$5.9M Director sold 49% of stake
  2. Edmond Landon −$1.2M Chief Legal Officer sold 11% of stake
  3. Oulman Roxanne −$285K Director sold 37% of stake
  4. St. Ledger Susan −$37K Director sold 9% of stake

Reading 20 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-06-09 St. Ledger Susan Director Grant or award +14,822 25,761
2026-06-09 Ceran Jennifer Director Grant or award +14,822 45,513
2026-06-09 Weisman Tony Director Grant or award +14,822 104,174
2026-06-09 Fernandez Gomez Luciano Co-Chief Executive Officer Shares withheld for taxes −1,746 $14.78 $26K 2,323,705
2026-05-26 Bialecki Andrew Co-Chief Executive Officer Conversion 10b5-1 +212,529 212,529
2026-05-26 Bialecki Andrew Co-Chief Executive Officer Sale 10b5-1 −212,529 $14.61 $3.1M 0
2026-05-26 Bialecki Andrew Co-Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −212,529 66,731,589
2026-05-19 Bialecki Andrew Co-Chief Executive Officer Conversion 10b5-1 +200,000 200,000
2026-05-19 Bialecki Andrew Co-Chief Executive Officer Sale 10b5-1 −200,000 $14.88 $3.0M 0
2026-05-19 Bialecki Andrew Co-Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −200,000 66,944,118
2026-05-18 St. Ledger Susan Director Conversion 10b5-1 +9,334 20,273
2026-05-18 St. Ledger Susan Director Sale 10b5-1 −9,334 $14.27 $133K 10,939
2026-05-18 St. Ledger Susan Director Conversion · Series B Common Stock 10b5-1 −9,334 50,166
2026-05-15 Edmond Landon Chief Legal Officer Shares withheld for taxes −22,340 $14.38 $321K 561,784
2026-05-15 Fernandez Gomez Luciano Co-Chief Executive Officer Shares withheld for taxes −22,132 $14.38 $318K 2,325,451
2026-05-15 Galvin Carmel Chief People Officer Shares withheld for taxes −30,541 $14.38 $439K 937,999
2026-05-15 Whalen Amanda Chief Financial Officer Conversion 10b5-1 +13,527 908,668
2026-05-15 Whalen Amanda Chief Financial Officer Shares withheld for taxes 10b5-1 −42,476 $14.38 $611K 866,192
2026-05-15 Whalen Amanda Chief Financial Officer Conversion · Series B Common Stock 10b5-1 −13,527 269,585
2026-05-14 Whalen Amanda Chief Financial Officer Conversion 10b5-1 +14,000 909,141

Page 3 of 31 · 613 trades