KVYO
Klaviyo, Inc.
Latest Form 4:Sale$259KbyWhalen Amanda (Chief Financial Officer) · filed Aug 18, 2026
Klaviyo, Inc. (KVYO) has 84 SEC Form 4 filings (200 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Aug 19, 2026.
Inside the rolling window, 9 insiders at Klaviyo, Inc. reported 1 open-market purchase totaling $300K and 66 open-market sales totaling $360.7M. The most active filer is Co-Chief Executive Officer Bialecki Andrew with 34 filings. Insiders have net sold $129.7M over the trailing 6 months. The most recent open-market filing is a sale of 14,000 shares by Chief Financial Officer Whalen Amanda, dated Aug 14, 2026, worth $259K.
- Industry:Software - Infrastructure
- CEO:Andrew Bialecki
- Employees:2,316
- HQ:Boston, MA, US
- IPO:2023-09-20
Insider Buying
$300K
reported purchases (SEC code P)
Insider Selling
$360.7M
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Market Cap
$6.2B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Chief Financial Officer | Sale | 14,000 | $259K | Aug 18 | SEC ↗ | |
SUMMIT PARTNERS L PFirst in 11 months | 10% Owner | Sale | 5,000,000 | $88.5M | Aug 13 | SEC ↗ |
| Chief Financial Officer | Sale | 14,000 | $249K | Jul 18 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,000 | $185K | Jun 19 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 212,529 | $3.1M | May 29 | SEC ↗ | |
St. Ledger SusanFirst in 8 months | Director | Sale | 9,334 | $133K | May 20 | SEC ↗ |
| Co-Chief Executive Officer | Sale | 200,000 | $3.0M | May 20 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,000 | $200K | May 19 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $2.9M | May 15 | SEC ↗ | |
| Chief Legal Officer | Sale | 9,623 | $192K | Apr 22 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,000 | $260K | Apr 17 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $3.4M | Apr 16 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $3.7M | Apr 9 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $3.9M | Apr 2 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $3.6M | Mar 26 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $3.9M | Mar 19 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,000 | $274K | Mar 13 | SEC ↗ | |
| Chief Legal Officer | Sale | 14,366 | $289K | Mar 13 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 206,827 | $4.1M | Mar 12 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $3.7M | Mar 5 | SEC ↗ | |
| Chief Legal Officer | Sale | 15,093 | $304K | Mar 5 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 200,000 | $3.4M | Feb 26 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,000 | $264K | Feb 18 | SEC ↗ | |
Ceran JenniferFirst filing | Director | Purchase | 16,339 | $300K | Feb 17 | SEC ↗ |
| Co-Chief Executive Officer | Sale | 155,219 | $3.9M | Jan 29 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 167,926 | $4.1M | Jan 22 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,000 | $362K | Jan 16 | SEC ↗ | |
| Chief Legal Officer | Sale | 10,000 | $258K | Jan 16 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 140,646 | $3.9M | Jan 15 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 137,504 | $4.0M | Jan 8 | SEC ↗ | |
| Co-Chief Executive Officer | Sale | 16,649 | $500K | Jan 8 | SEC ↗ | |
| Chief Executive Officer | Sale | 100,000 | $3.3M | Dec 23 | SEC ↗ | |
| Chief Financial Officer | Sale | 14,000 | $439K | Dec 19 | SEC ↗ | |
| Chief Legal Officer | Sale | 14,190 | $445K | Dec 19 | SEC ↗ | |
| Director, 10% Owner | Sale | 117,550 | $3.6M | Dec 19 | SEC ↗ | |
| Chief Executive Officer | Sale | 138,648 | $4.0M | Dec 17 | SEC ↗ | |
| Chief Executive Officer | Sale | 100,000 | $3.0M | Dec 17 | SEC ↗ | |
| President | Sale | 7,104 | $209K | Dec 17 | SEC ↗ | |
| Director, 10% Owner | Sale | 757 | $23K | Dec 17 | SEC ↗ | |
| Chief Executive Officer | Sale | 131,362 | $3.9M | Dec 11 | SEC ↗ | |
| Chief Executive Officer | Sale | 82,223 | $2.5M | Dec 11 | SEC ↗ | |
| Chief Executive Officer | Sale | 17,777 | $533K | Dec 11 | SEC ↗ | |
| Chief Executive Officer | Sale | 142,045 | $4.1M | Dec 4 | SEC ↗ | |
| Chief Executive Officer | Sale | 952 | $29K | Dec 4 | SEC ↗ | |
| Chief Executive Officer | Sale | 144,717 | $4.0M | Nov 26 | SEC ↗ | |
Edmond LandonFirst filing | Chief Legal Officer | Sale | 14,394 | $397K | Nov 21 | SEC ↗ |
| Chief Executive Officer | Sale | 147,329 | $4.0M | Nov 20 | SEC ↗ | |
| Chief Financial Officer | Sale | 15,000 | $429K | Nov 18 | SEC ↗ | |
| President | Sale | 7,104 | $195K | Nov 18 | SEC ↗ | |
Galvin CarmelFirst filing | Chief People Officer | Sale | 11,156 | $307K | Nov 18 | SEC ↗ |
| Chief Executive Officer | Sale | 140,464 | $4.2M | Nov 13 | SEC ↗ | |
| Director, 10% Owner | Sale | 59,492 | $1.8M | Nov 12 | SEC ↗ | |
| Director, 10% Owner | Sale | 2,811 | $84K | Nov 12 | SEC ↗ | |
| Chief Executive Officer | Sale | 163,331 | $4.0M | Oct 16 | SEC ↗ | |
| President | Sale | 7,105 | $173K | Oct 16 | SEC ↗ | |
| Chief Financial Officer | Sale | 15,000 | $375K | Oct 10 | SEC ↗ | |
| Chief Executive Officer | Sale | 159,508 | $4.0M | Oct 9 | SEC ↗ | |
| Chief Executive Officer | Sale | 137,224 | $4.0M | Oct 2 | SEC ↗ | |
| Chief Executive Officer | Sale | 211,358 | $7.5M | Sep 25 | SEC ↗ | |
| Chief Executive Officer | Sale | 226,382 | $7.3M | Sep 17 | SEC ↗ | |
Hallen EdFirst filing | Director, 10% Owner | Sale | 89,748 | $2.8M | Sep 17 | SEC ↗ |
Rowland Stephen EricFirst filing | President | Sale | 7,105 | $227K | Sep 17 | SEC ↗ |
Whalen AmandaFirst filing | Chief Financial Officer | Sale | 15,000 | $473K | Sep 12 | SEC ↗ |
St. Ledger SusanFirst filing | Director | Sale | 3,413 | $110K | Sep 12 | SEC ↗ |
| Chief Executive Officer | Sale | 220,481 | $7.0M | Sep 11 | SEC ↗ | |
SUMMIT PARTNERS L PFirst filing | 10% Owner | Sale | 4,000,000 | $127.5M | Sep 10 | SEC ↗ |
Bialecki AndrewFirst filing | Chief Executive Officer | Sale | 223,304 | $6.9M | Sep 4 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does KVYO have?
Klaviyo, Inc. (KVYO) has 84 SEC Form 4 filings (200 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Aug 19, 2026.
When was the most recent SEC Form 4 filing for KVYO?
The most recent Form 4 filing for KVYO on Tracefour is dated Aug 19, 2026.
Who is the most active insider at KVYO?
The most active SEC Form 4 filer at KVYO in the rolling window is Co-Chief Executive Officer Bialecki Andrew, with 34 filings.
What is the net insider flow at KVYO over the last 6 months?
Over the trailing 180 days, insiders at KVYO have net sold $129.7M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at KVYO in the current window?
Inside the rolling window, insiders at KVYO bought $300K and sold $360.7M based on SEC Form 4 filings.
Can I get alerts for KVYO insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Klaviyo, Inc. (KVYO). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Klaviyo, Inc. is in the Technology sector.