Klaviyo, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Klaviyo, Inc. (KVYO), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are KVYO insiders buying or selling?
In the last 12 months, Klaviyo, Inc. insiders reported 1 open-market purchase ($300.3K) and 51 sales ($193.3M) — net selling of $193.0M. Since September 2023, Trabud has recorded 143 Form 4 filings for KVYO: 5 buys ($1.4M) and 138 sells ($1.8B).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $300.3K by Jennifer Ceran (Director) on Feb 17, 2026. SEC ↗
- The most recent open-market purchase was reported on Feb 17, 2026 (7 months ago).
Key Statistics (September 2023 – Oct 9, 2026)
Total Form 4 filings
143
SEC EDGAR
Insider filers
14
Insider buys (5)
$1.4M
Insider sells (138)
$1.8B
Insider sentiment
Net sellingNet insider flow of $1.8B in net selling since September 2023, and $193.0M in net selling over the last 12 months.
Recent KVYO insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | Ed Hallen | Director, 10% Owner | Sale | 97.5K | $17.40 | $1.7M | SEC ↗ |
| Sep 25, 2026 | Ed Hallen | Director, 10% Owner | Sale | 1.3K | $17.02 | $22.1K | SEC ↗ |
| Sep 14, 2026 | Ledger Susan St. | Director | Sale | 2.3K | $15.93 | $37.1K | SEC ↗ |
| Sep 2, 2026 | Ed Hallen | Director, 10% Owner | Sale | 98.8K | $20.48 | $2.0M | SEC ↗ |
| Sep 2, 2026 | Landon Edmond | Chief Legal Officer | Sale | 61.6K | $20.07 | $1.2M | SEC ↗ |
| Aug 19, 2026 | Amanda Whalen | Chief Financial Officer | Sale | 14.0K | $18.47 | $258.6K | SEC ↗ |
| Aug 13, 2026 | SUMMIT PARTNERS L P | 10% Owner | Sale | 5.0M | $17.71 | $88.5M | SEC ↗ |
| Jul 18, 2026 | Amanda Whalen | Chief Financial Officer | Sale | 14.0K | $17.75 | $248.5K | SEC ↗ |
| Jun 19, 2026 | Amanda Whalen | Chief Financial Officer | Sale | 14.0K | $13.23 | $185.2K | SEC ↗ |
| May 29, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 212.5K | $14.61 | $3.1M | SEC ↗ |
| May 21, 2026 | Ledger Susan St. | Director | Sale | 9.3K | $14.27 | $133.2K | SEC ↗ |
| May 21, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 200.0K | $14.88 | $3.0M | SEC ↗ |
| May 19, 2026 | Amanda Whalen | Chief Financial Officer | Sale | 14.0K | $14.26 | $199.6K | SEC ↗ |
| May 15, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 200.0K | $14.61 | $2.9M | SEC ↗ |
| Apr 23, 2026 | Landon Edmond | Chief Legal Officer | Sale | 9.6K | $20.00 | $192.5K | SEC ↗ |
| Apr 18, 2026 | Amanda Whalen | Chief Financial Officer | Sale | 14.0K | $18.54 | $259.6K | SEC ↗ |
| Apr 17, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 200.0K | $17.19 | $3.4M | SEC ↗ |
| Apr 10, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 200.0K | $18.63 | $3.7M | SEC ↗ |
| Apr 3, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 200.0K | $19.42 | $3.9M | SEC ↗ |
| Mar 27, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 200.0K | $18.17 | $3.6M | SEC ↗ |
| Mar 19, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 200.0K | $19.37 | $3.9M | SEC ↗ |
| Mar 13, 2026 | Landon Edmond | Chief Legal Officer | Sale | 14.4K | $20.15 | $289.5K | SEC ↗ |
| Mar 13, 2026 | Amanda Whalen | Chief Financial Officer | Sale | 14.0K | $19.58 | $274.2K | SEC ↗ |
| Mar 13, 2026 | Bialecki Andrew | Co-Chief Executive Officer | Sale | 206.8K | $19.96 | $4.1M | SEC ↗ |
| Mar 6, 2026 | Landon Edmond | Chief Legal Officer | Sale | 15.1K | $20.16 | $304.3K | SEC ↗ |
Showing the 25 most recent of 143 Form 4 filings for Klaviyo, Inc..
Most active KVYO insiders
- Bialecki Andrew31 filings
- Amanda Whalen26 filings
- SUMMIT PARTNERS L P25 filings
- Landon Edmond16 filings
- Stephen Eric Rowland16 filings
Ask anything about KVYO insider activity
Use Trabud's AI agent to query Klaviyo, Inc.'s Form 4 history in plain English — "Show me KVYO CEO purchases this year" or compare it against any other ticker.
Open the AI agentKVYO insider trading FAQ
Are Klaviyo, Inc. insiders buying or selling?
In the last 12 months, Klaviyo, Inc. insiders reported 1 open-market purchase ($300.3K) and 51 sales ($193.3M) — net selling of $193.0M. Since September 2023, Trabud has recorded 143 Form 4 filings for KVYO: 5 buys ($1.4M) and 138 sells ($1.8B). Over the full record that is net selling of $1.8B.
How many insiders trade KVYO stock?
14 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Klaviyo, Inc.. The most recent filing was accepted on Oct 9, 2026.
Where does Trabud get KVYO insider trading data?
All KVYO insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.