Key facts
- This page summarizes Hallen Ed's Form 4 filing for Klaviyo, Inc. (KVYO).
- 2 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 19 Dec 2025, 16:04.
Hallen Ed - 17 Dec 2025 Form 4 Insider Report for Klaviyo, Inc. (KVYO)
- Reporting relationship
- Director, 10%+ Owner
- Issuer ticker
- KVYO
- Reported as of
- 17 Dec 2025
- Net transaction value
- -$3,569,296
- SEC form
- 4
- Accepted by SEC
- 19 Dec 2025, 16:04:22 UTC
- Prior SEC filing
- 17 Dec 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Landon Edmond, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Hallen Ed filed Form 4 for Klaviyo, Inc. (KVYO) on 19 Dec 2025.
Change
- Previous filing in this sequence was filed on 17 Dec 2025.
- Current net transaction value: -$3,569,296.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001991125
Primary reporting owner
Hallen Ed
- Relationship
- Director, 10%+ Owner
- Address
- C/O KLAVIYO, INC. 125 SUMMER STREET, 6TH FLOOR, BOSTON
- Signature
- /s/ Landon Edmond, Attorney-in-Fact
- Signature date
- 19 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KVYO
transaction
Series A Common Stock
Sale
- Transaction value
- $1,058,547
- Shares
- -34,878
- Change %
- -21%
- Price
- $30.35
- Shares after
- 133,624
- Date
- 17 Dec 2025
- Ownership
- By Hodgkins Trust
- Footnotes
- F1, F2, F3
KVYO
transaction
Series A Common Stock
Sale
- Transaction value
- $2,510,749
- Shares
- -82,672
- Change %
- -14%
- Price
- $30.37
- Shares after
- 525,246
- Date
- 17 Dec 2025
- Ownership
- By Hodgkins LLC
- Footnotes
- F1, F4, F5
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 5 footnotes
Footnote F1
These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 12, 2025.
Footnote F2
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.
Footnote F3
Shares are owned directly by Hodgkins Trust for the benefit of the Reporting Person and the Reporting Person's family, and of which the trustee is an independent institution. 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.
Footnote 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 $30.695 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.
Footnote F5
Shares held by Hodgkins LLC, of which the Reporting Person serves as manager. 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.