Bialecki Andrew's Form 4 filing
Klaviyo, Inc. (KVYO) · filed Dec 17, 2025
- Accession no.
- 0001470831-25-000431
- Filed
- Dec 17, 2025
- Trade date
- Dec 16-17, 2025
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $7.07M. It was filed 1 day after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Bialecki AndrewCIK 0001991099 | Director, Officer (Chief Executive Officer), 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 16, 2025 | Series A Common Stock | CConversionAcquired | +138,648 | –F2 | – | 138,648 | Direct | |
| Dec 16, 2025 | Series A Common Stock | SSaleDisposed | −138,648 | $29.04F3 | −$4,026,337.92 | 0 | Direct | |
| Dec 17, 2025 | Series A Common Stock | CConversionAcquired | +100,000 | –F2 | – | 100,000 | Direct | |
| Dec 17, 2025 | Series A Common Stock | SSaleDisposed | −100,000 | $30.40F4 | −$3,040,000 | 0 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 16, 2025 | Series A Common Stock | CConversionDisposed | −138,648 | $0.00 | $0 | 69,768,889 | Direct | |
| Dec 17, 2025 | Series A Common Stock | CConversionDisposed | −100,000 | $0.00 | $0 | 69,668,889 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
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.
Referenced by the price of 2 transactions in Table I.
- F3
The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $28.58 to $29.42 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.
Referenced by the price of 1 transaction in Table I.
- F4
The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $30.00 to $30.71 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.
Referenced by the price of 1 transaction in Table I.