Home/Filings/4/0001470831-26-000022
4//SEC Filing

Bialecki Andrew 4

Accession 0001470831-26-000022

CIK 0001835830other

Filed

Jan 7, 7:00 PM ET

Accepted

Jan 8, 4:31 PM ET

Size

23.5 KB

Accession

0001470831-26-000022

Insider Transaction Report

Form 4
Period: 2026-01-06
Bialecki Andrew
DirectorCo-Chief Executive Officer10% Owner
Transactions
  • Conversion

    Series A Common Stock

    2026-01-06+137,504137,504 total
  • Sale

    Series A Common Stock

    2026-01-06$28.92/sh135,122$3,907,7282,382 total
  • Sale

    Series A Common Stock

    2026-01-06$28.52/sh2,382$67,9350 total
  • Conversion

    Series A Common Stock

    2026-01-07+16,64916,649 total
  • Sale

    Series A Common Stock

    2026-01-07$30.01/sh16,649$499,6360 total
  • Conversion

    Series B Common Stock

    2026-01-06137,50469,431,385 total
    Series A Common Stock (137,504 underlying)
  • Conversion

    Series B Common Stock

    2026-01-0716,64969,414,736 total
    Series A Common Stock (16,649 underlying)
Holdings
  • Series B Common Stock

    (indirect: By Trust)
    Series A Common Stock (7,517,410 underlying)
    7,517,410
  • Series B Common Stock

    (indirect: By Trust)
    Series A Common Stock (517,006 underlying)
    517,006
  • Series B Common Stock

    (indirect: By Trust)
    Series A Common Stock (517,006 underlying)
    517,006
  • Series B Common Stock

    (indirect: By Spouse)
    Series A Common Stock (43,218 underlying)
    43,218
Footnotes (8)
  • [F1]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.
  • [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.
  • [F3]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $28.545 to $29.54 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.
  • [F4]The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $28.42 to $28.54 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.
  • [F5]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 $30.06 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.
  • [F6]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.
  • [F7]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.
  • [F8]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.

Issuer

Klaviyo, Inc.

CIK 0001835830

Entity typeother

Related Parties

1
  • filerCIK 0001991099

Filing Metadata

Form type
4
Filed
Jan 7, 7:00 PM ET
Accepted
Jan 8, 4:31 PM ET
Size
23.5 KB