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KVYO

Klaviyo, Inc.

TechnologyRussell 2000

Klaviyo, Inc. insider trading

Klaviyo, Inc. files with the SEC as a Services-Prepackaged Software company headquartered in Boston, MA. Every time one of its executives or directors buys or sells the stock, the filing appears here the moment it reaches the SEC — with grants and option exercises set apart from the trades that cost the insider their own money.

From SEC filings

Recent KVYO insider transactions

6 insiders traded KVYO on the open market between Apr 20, 2026 and Sep 11, 2026 — 16 sales worth $102.1M, of which 15 were pre-scheduled under a 10b5-1 plan.

Bought
—
Sold
$102.1M

15 of 16 on a 10b5-1 plan

Net
−$102.1M
Insiders
6

Open-market purchases (code P) and sales (code S) from Klaviyo, Inc.'s own SEC Form 4 filings. Grants and option exercises are excluded — they are compensation, not decisions. Share counts are derived from the reported value and price. Verify any figure against the original filing before acting on it; this is monitoring, not advice.

Filing history last read from EDGAR on Sep 23, 2026. The live dashboard shows new filings the moment they clear.

Every KVYO Form 4 on SEC.gov

SEC Form 4 data, Q3 2024 to Q2 2026

KVYO insider trading by quarter

Between Jul 01, 2024 and Jun 30, 2026, 16 insiders traded KVYO on the open market: 4 purchases worth $1.2M and 184 sales worth $1.5B, 161 of the sales pre-scheduled under a 10b5-1 plan. In the last four quarters alone: 1 purchase ($300.3K) and 111 sales ($505.2M), by 11 insiders.

QuarterBoughtSold
Q2 2026—−$17.1M12 sales · all on a plan
Q1 2026+$300.3K1 buy−$40.7M29 sales · all on a plan
Q4 2025—−$50M40 sales · all on a plan
Q3 2025—−$397.4M30 sales · 27 on a plan
Q2 2025+$100.5K1 buy−$629.4M15 sales · 12 on a plan
Q1 2025—−$70.5M19 sales · 18 on a plan
Q4 2024+$501.9K1 buy−$201.2M14 sales · 12 on a plan
Q3 2024+$250.7K1 buy−$54.8M25 sales · 11 on a plan
Largest purchase
+$501.9K of KVYO by Fagnan Jeff (10% Owner) on Nov 13, 2024.
Largest sale
−$360.9M of KVYO by Bialecki Andrew (Chief Executive Officer · Director) on May 16, 2025.

Open-market transactions through Jun 30, 2026most recent first

  • Whalen Amanda10b5-1

    Chief Financial Officer

    −$259.6K

    Apr 16, 2026

    14,000 sh · $18.54

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$1.9M

    Apr 14, 2026

    109,142 sh · $17.39

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$1.5M

    Apr 14, 2026

    90,858 sh · $16.94

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$3.7M

    Apr 07, 2026

    200,000 sh · $18.63

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$3.9M

    Mar 31, 2026

    200,000 sh · $19.42

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$3.6M

    Mar 24, 2026

    200,000 sh · $18.17

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$2M

    Mar 17, 2026

    102,621 sh · $19.15

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$1.9M

    Mar 17, 2026

    97,379 sh · $19.60

  • Edmond Landon10b5-1

    Chief Legal Officer

    −$289.5K

    Mar 12, 2026

    14,366 sh · $20.15

  • Whalen Amanda10b5-1

    Chief Financial Officer

    −$176K

    Mar 12, 2026

    8,923 sh · $19.72

  • Whalen Amanda10b5-1

    Chief Financial Officer

    −$98.2K

    Mar 12, 2026

    5,077 sh · $19.34

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$4.1M

    Mar 10, 2026

    206,127 sh · $19.96

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$13.5K

    Mar 10, 2026

    700 sh · $19.34

  • Edmond Landon10b5-1

    Chief Legal Officer

    −$304.3K

    Mar 05, 2026

    15,093 sh · $20.16

  • Bialecki Andrew10b5-1

    Co-Chief Executive Officer · Director

    −$2.9M

    Mar 03, 2026

    154,022 sh · $18.86

From SEC's quarterly Form 3, 4 and 5 data sets: code P purchases and code S sales of common stock, by the date the trade happened. Where a fund and the people who control it each report the same block, it is counted once. Trades made in the last days of Q2 2026 but filed after it closed arrive with SEC's next quarterly release.

Klaviyo, Inc. company record

SEC industry classification
Services-Prepackaged Software
Headquarters
Boston, MA
Incorporated in
DE
Listed on
NYSE
SEC Central Index Key
0001835830

Sourced from this company's own SEC submissions record. The industry label is SEC's Standard Industrial Classification, which is more specific than the Technology sector shown above.

After insiders bought KVYO

What the stock actually did in the 90 days following each open-market purchase

Don't check KVYO — let it ping you

Get told the moment an insider moves on KVYO

Pro watches Klaviyo, Inc. for you and sends a Telegram ping within moments of a Form 4 clearing EDGAR — a C-suite open-market buy, a cluster, a 10b5-1 regime break — long before it reaches the press. Add KVYO to a watchlist, see each mover's benchmark-measured track record and which legendary funds hold it, and read the full filing history instead of the last 72 hours.

Track KVYO on the live dashboardFilings on SEC.gov

The live dashboard is free to open. Alerts, watchlists, full filing history and each mover's benchmark-measured track record are Pro. Monitoring, not advice.

How to read KVYO insider activity

Open-market purchase (code P)
An insider spending their own money at market price. This is the only buy code that reliably carries signal — it is a decision, not compensation.
Grants and option exercises (codes A, M)
Scheduled compensation. Most "insider buying" headlines are really this, which is why InsiderPulse weights it at a fraction of a real purchase.
Cluster buy
Two or more different insiders buying on the open market in the same window. One executive buying can mean anything; three is much harder to explain away.

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This week on the tape: who actually chose to sellThe weekly split of scheduled 10b5-1 selling vs deliberate sales, with the deciders named.

Questions

Are KVYO insiders buying or selling?
Between Apr 20, 2026 and Sep 11, 2026, 6 Klaviyo, Inc. insiders made no open-market purchases and 16 sales worth $102.1M, a net sale of $102.1M. 15 of the sales were pre-scheduled under a Rule 10b5-1 plan.
How much KVYO stock have insiders bought and sold in the last two years?
Between Jul 01, 2024 and Jun 30, 2026, 16 Klaviyo, Inc. insiders made 4 open-market purchases worth $1.2M and 184 sales worth $1.5B. 161 of the sales were pre-scheduled under a Rule 10b5-1 plan. In the four quarters to Jun 30, 2026: 1 purchase ($300.3K) and 111 sales ($505.2M). The largest purchase was Fagnan Jeff buying $501.9K on Nov 13, 2024. The largest sale was Bialecki Andrew selling $360.9M on May 16, 2025.
What was the largest recent KVYO insider trade?
Summit Partners L P (10% Owner) sold $88.6M of KVYO stock on Aug 11, 2026 at about $17.71 a share.
When did an insider last buy KVYO shares?
No open-market purchase by a Klaviyo, Inc. insider appears in the filings from Apr 20, 2026 to Sep 11, 2026 — every recorded open-market transaction in that period was a sale. Before that, the most recent purchase in SEC's data was Ceran Jennifer buying $300.3K on Feb 12, 2026.
Where does KVYO insider trading data come from?
From the Form 4 filings Klaviyo, Inc.'s officers, directors and 10% owners must send the SEC within two business days of a trade. Each row on this page links to its original filing on SEC EDGAR. Share grants and option exercises are kept apart from open-market purchases and sales, because only the latter cost the insider their own money.

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