Klaviyo (KVYO) CEO Andrew Bialecki Logs Planned Series A Stock Sales
Rhea-AI Filing Summary
Klaviyo, Inc. Chief Executive Officer, director and 10% owner Andrew P. Bialecki reported planned share sales under a Rule 10b5-1 trading plan. On 12/02/2025, he converted 142,045 shares of Series B Common Stock into Series A Common Stock and sold the same number of Series A shares at a weighted average price of $28.62 per share. On 12/04/2025, he similarly converted and sold 952 Series A shares at $30 per share. Each Series B share is convertible into one Series A share and has no expiration. Following these transactions, he continued to beneficially own 73,557,899 Series B shares directly, along with additional Series A interests held indirectly through several 2023 family trusts and by his spouse.
Positive
- None.
Negative
- None.
Insider Trade Summary
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Conversion | Series B Common Stock | 952 | $0.00 | -- |
| Conversion | Series A Common Stock | 952 | $0.00 | -- |
| Sale | Series A Common Stock | 952 | $30.00 | $29K |
| Conversion | Series B Common Stock | 142,045 | $0.00 | -- |
| Conversion | Series A Common Stock | 142,045 | $0.00 | -- |
| Sale | Series A Common Stock | 142,045 | $28.62 | $4.07M |
| holding | Series B Common Stock | -- | -- | -- |
| holding | Series B Common Stock | -- | -- | -- |
| holding | Series B Common Stock | -- | -- | -- |
| holding | Series B Common Stock | -- | -- | -- |
Footnotes (1)
- These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2025. Each share of the Issuer's Series B Common Stock, par value $0.001 per share ("Series B Common Stock"), is convertible at any time at the option of the holder into one share of the Issuer's Series A Common Stock, par value $0.001 per share ("Series A Common Stock"), and will automatically convert into one share of Series A Common Stock upon the occurrence of certain events as set forth in the Issuer's certificate of incorporation. The Series B Common Stock has no expiration date. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $28.20 to $28.87 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Shares held by the Andrew P. Bialecki Grantor Retained Annuity Trust I of 2023, of which the Reporting Person serves as trustee. The Reporting Person disclaims Section 16 beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose. Shares held by the Elizabeth L. Bialecki Irrevocable GST Trust of 2023, of which the Reporting Person serves as a trustee. The Reporting Person disclaims Section 16 beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose. Shares held by the Andrew P. Bialecki Irrevocable GST Trust of 2023, of which the Reporting Person's spouse serves as a trustee. The Reporting Person disclaims Section 16 beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed to be an admission that he has beneficial ownership of such shares for Section 16 or any other purpose.
FAQ
What insider transaction did Klaviyo (KVYO) CEO Andrew Bialecki report?
Andrew P. Bialecki reported converting Series B Common Stock into Series A Common Stock and selling those Series A shares in open-market transactions on 12/02/2025 and 12/04/2025.
Was the Klaviyo (KVYO) CEO’s trade done under a Rule 10b5-1 plan?
Yes. The filing states the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by Andrew P. Bialecki on May 20, 2025.
What is the difference between Klaviyo’s Series A and Series B Common Stock in this filing?
Each share of Series B Common Stock is convertible at any time at the holder’s option into one share of Series A Common Stock and will automatically convert into one Series A share upon certain events. The Series B stock has no expiration date.
What indirect holdings of Klaviyo (KVYO) stock are reported for Andrew Bialecki?
The filing lists indirect holdings of 7,517,410, 517,006, 517,006, and 43,218 shares of Series A Common Stock through the Andrew P. Bialecki Grantor Retained Annuity Trust I of 2023, the Elizabeth L. Bialecki Irrevocable GST Trust of 2023, the Andrew P. Bialecki Irrevocable GST Trust of 2023, and by his spouse, respectively.