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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
Date Insider Transaction Shares Price Value Owned after
2025-09-16 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −85,461 $31.76 $2.7M 0
2025-09-16 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −226,382 74,804,827
2025-09-15 Hallen Ed Director Sale 10b5-1 −22,224 $31.65 $703K 177,776
2025-09-15 Hallen Ed Director Sale 10b5-1 −67,524 $31.73 $2.1M 722,476
2025-09-15 Hallen Ed Director Gift 10b5-1 −20,260 702,216
2025-09-15 Fernandez Gomez Luciano Interim Executive Officer Grant or award +100,597 127,385
2025-09-15 Rowland Stephen Eric President Sale 10b5-1 −6,905 $31.90 $220K 438,821
2025-09-15 Rowland Stephen Eric President Sale 10b5-1 −200 $31.24 $6K 438,621
2025-09-12 Whalen Amanda Chief Financial Officer Conversion 10b5-1 +11,204 496,719
2025-09-12 Whalen Amanda Chief Financial Officer Sale 10b5-1 −15,000 $31.50 $473K 481,719
2025-09-12 Whalen Amanda Chief Financial Officer Conversion · Series B Common Stock 10b5-1 −11,204 408,476
2025-09-11 Hallen Ed Director Conversion +990,000 990,000
2025-09-11 Hallen Ed Director Gift −990,000 0
2025-09-11 Hallen Ed Director Gift +200,000 200,000
2025-09-11 Hallen Ed Director Gift +790,000 790,000
2025-09-11 Hallen Ed Director Conversion · Series B Common Stock −990,000 31,999,106
2025-09-10 St. Ledger Susan Director Sale 10b5-1 −3,413 $32.20 $110K 10,939
2025-09-09 Bialecki Andrew Chief Executive Officer Conversion 10b5-1 +220,481 220,481
2025-09-09 Bialecki Andrew Chief Executive Officer Sale 10b5-1 −220,481 $31.96 $7.0M 0
2025-09-09 Bialecki Andrew Chief Executive Officer Conversion · Series B Common Stock 10b5-1 −220,481 70,602,789

Page 14 of 33 · 656 trades