Klaviyo, Inc. SEC filings KVYO

Klaviyo, Inc. has 500 filings in SEC EDGAR's recent list, going back to Dec 15, 2020. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, other events). The company's fiscal year ends on December 31.

Klaviyo, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 4, 2026 Sep 30, 2026
8-K Current report
Results of operations, Other events
Nov 4, 2026 Nov 4, 2026
4 Insider transaction Oct 9, 2026 Oct 7, 2026
144 Notice of proposed sale Oct 7, 2026 —
4 Insider transaction Sep 25, 2026 Sep 24, 2026
144 Notice of proposed sale Sep 24, 2026 —
4 Insider transaction Sep 17, 2026 Sep 15, 2026
144 Notice of proposed sale Sep 17, 2026 —
4 Insider transaction Sep 14, 2026 Sep 11, 2026
144 Notice of proposed sale Sep 11, 2026 —
3 Initial insider ownership Sep 1, 2026 Sep 1, 2026
4 Insider transaction Sep 1, 2026 Aug 31, 2026
4 Insider transaction Sep 1, 2026 Aug 28, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 31, 2026 —
4 Insider transaction Aug 31, 2026 Aug 31, 2026
144 Notice of proposed sale Aug 31, 2026 —
144 Notice of proposed sale Aug 31, 2026 —
144 Notice of proposed sale Aug 28, 2026 —
4 Insider transaction Aug 18, 2026 Aug 15, 2026
4 Insider transaction Aug 18, 2026 Aug 15, 2026
4 Insider transaction Aug 18, 2026 Aug 15, 2026
4 Insider transaction Aug 18, 2026 Aug 14, 2026
4 Insider transaction Aug 13, 2026 Aug 11, 2026
144 Notice of proposed sale Aug 11, 2026 —
144 Notice of proposed sale Aug 11, 2026 —
144 Notice of proposed sale Aug 11, 2026 —
144 Notice of proposed sale Aug 11, 2026 —
144 Notice of proposed sale Aug 11, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 6, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 5, 2026 —
10-Q Quarterly report Aug 5, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 5, 2026 Aug 5, 2026
SCHEDULE 13G Ownership over 5% (passive) Jul 31, 2026 —
SCHEDULE 13G Ownership over 5% (passive) Jul 29, 2026 —
4 Insider transaction Jul 24, 2026 Jul 22, 2026
4 Insider transaction Jul 17, 2026 Jul 16, 2026
8-K Current report
Officer or director change, Regulation FD disclosure
Jul 13, 2026 Jul 13, 2026
4 Insider transaction Jun 18, 2026 Jun 18, 2026
144 Notice of proposed sale Jun 18, 2026 —
4 Insider transaction Jun 11, 2026 Jun 9, 2026
4 Insider transaction Jun 11, 2026 Jun 9, 2026
4 Insider transaction Jun 11, 2026 Jun 9, 2026
4 Insider transaction Jun 11, 2026 Jun 9, 2026
4 Insider transaction Jun 11, 2026 Jun 9, 2026
8-K Current report
Shareholder vote results
Jun 9, 2026 Jun 9, 2026
4 Insider transaction May 28, 2026 May 26, 2026
144 Notice of proposed sale May 26, 2026 —
4 Insider transaction May 20, 2026 May 18, 2026
4 Insider transaction May 20, 2026 May 19, 2026
4 Insider transaction May 18, 2026 May 15, 2026
4 Insider transaction May 18, 2026 May 15, 2026
4 Insider transaction May 18, 2026 May 15, 2026
4 Insider transaction May 18, 2026 May 14, 2026
144 Notice of proposed sale May 18, 2026 —
4 Insider transaction May 14, 2026 May 12, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) May 14, 2026 —
10-Q Quarterly report May 5, 2026 Mar 31, 2026
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
May 5, 2026 May 1, 2026
ARS Annual report to shareholders Apr 29, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 29, 2026 —
DEF 14A Proxy statement Apr 29, 2026 Jun 9, 2026
4 Insider transaction Apr 29, 2026 Apr 28, 2026
SCHEDULE 13G Ownership over 5% (passive) Apr 29, 2026 —
4 Insider transaction Apr 22, 2026 Apr 20, 2026
144 Notice of proposed sale Apr 20, 2026 —
4 Insider transaction Apr 17, 2026 Apr 15, 2026
4 Insider transaction Apr 17, 2026 Apr 15, 2026
4 Insider transaction Apr 17, 2026 Apr 15, 2026
4 Insider transaction Apr 16, 2026 Apr 14, 2026
144 Notice of proposed sale Apr 16, 2026 —
4 Insider transaction Apr 9, 2026 Apr 7, 2026
144 Notice of proposed sale Apr 7, 2026 —
4 Insider transaction Apr 2, 2026 Mar 31, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 27, 2026 —
4 Insider transaction Mar 26, 2026 Mar 24, 2026
4 Insider transaction Mar 19, 2026 Mar 17, 2026
144 Notice of proposed sale Mar 17, 2026 —
4 Insider transaction Mar 13, 2026 Mar 12, 2026
4 Insider transaction Mar 13, 2026 Mar 12, 2026
4 Insider transaction Mar 12, 2026 Mar 10, 2026
144 Notice of proposed sale Mar 12, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 6, 2026 —
4 Insider transaction Mar 5, 2026 Mar 5, 2026
4 Insider transaction Mar 5, 2026 Mar 3, 2026
144 Notice of proposed sale Mar 5, 2026 —
8-K Current report
Other events
Mar 2, 2026 Mar 2, 2026
4 Insider transaction Feb 26, 2026 Feb 24, 2026
144 Notice of proposed sale Feb 24, 2026 —
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 15, 2026
4 Insider transaction Feb 18, 2026 Feb 13, 2026
4 Insider transaction Feb 17, 2026 Feb 12, 2026
SCHEDULE 13G Ownership over 5% (passive) Feb 13, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Feb 10, 2026 —
S-8 Employee stock plan registration Feb 10, 2026 —
10-K Annual report Feb 10, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 10, 2026 Feb 10, 2026
4 Insider transaction Jan 30, 2026 Jan 29, 2026
4 Insider transaction Jan 29, 2026 Jan 27, 2026
4 Insider transaction Jan 22, 2026 Jan 20, 2026
4 Insider transaction Jan 16, 2026 Jan 15, 2026
4 Insider transaction Jan 16, 2026 Jan 15, 2026
4 Insider transaction Jan 16, 2026 Jan 15, 2026
4 Insider transaction Jan 15, 2026 Jan 13, 2026
4 Insider transaction Jan 8, 2026 Jan 6, 2026
SCHEDULE 13G/A Amended ownership over 5% (passive) Jan 8, 2026 —
4 Insider transaction Dec 23, 2025 Dec 22, 2025
4 Insider transaction Dec 19, 2025 Dec 18, 2025
4 Insider transaction Dec 19, 2025 Dec 18, 2025
4 Insider transaction Dec 19, 2025 Dec 17, 2025
144 Notice of proposed sale Dec 18, 2025 —
144 Notice of proposed sale Dec 18, 2025 —
4 Insider transaction Dec 17, 2025 Dec 16, 2025
4 Insider transaction Dec 17, 2025 Dec 15, 2025
4 Insider transaction Dec 17, 2025 Dec 15, 2025
4 Insider transaction Dec 17, 2025 Dec 15, 2025
144 Notice of proposed sale Dec 17, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
4 Insider transaction Dec 11, 2025 Dec 9, 2025
8-K Current report
Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
Dec 9, 2025 Dec 8, 2025
4 Insider transaction Dec 4, 2025 Dec 2, 2025
144 Notice of proposed sale Dec 2, 2025 —
8-K Current report
Regulation FD disclosure
Dec 2, 2025 Dec 2, 2025
4 Insider transaction Nov 26, 2025 Nov 24, 2025
4 Insider transaction Nov 21, 2025 Nov 20, 2025
144 Notice of proposed sale Nov 20, 2025 —
4 Insider transaction Nov 20, 2025 Nov 18, 2025
4 Insider transaction Nov 18, 2025 Nov 15, 2025
4 Insider transaction Nov 18, 2025 Nov 15, 2025
4 Insider transaction Nov 18, 2025 Nov 15, 2025
4 Insider transaction Nov 18, 2025 Nov 15, 2025
4 Insider transaction Nov 18, 2025 Nov 14, 2025
144 Notice of proposed sale Nov 17, 2025 —
144 Notice of proposed sale Nov 17, 2025 —
SCHEDULE 13D/A Amended ownership over 5% (active) Nov 14, 2025 —
4 Insider transaction Nov 14, 2025 Nov 14, 2025
144 Notice of proposed sale Nov 14, 2025 —
4 Insider transaction Nov 13, 2025 Nov 11, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 13, 2025 —
4 Insider transaction Nov 12, 2025 Nov 10, 2025
144 Notice of proposed sale Nov 12, 2025 —
144 Notice of proposed sale Nov 10, 2025 —
SCHEDULE 13G Ownership over 5% (passive) Nov 7, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 5, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 5, 2025 —
10-Q Quarterly report Nov 5, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 5, 2025 Nov 5, 2025
SCHEDULE 13G Ownership over 5% (passive) Nov 5, 2025 —
4 Insider transaction Oct 16, 2025 Oct 15, 2025
4 Insider transaction Oct 16, 2025 Oct 14, 2025
144 Notice of proposed sale Oct 15, 2025 —
4 Insider transaction Oct 10, 2025 Oct 10, 2025
4 Insider transaction Oct 9, 2025 Oct 7, 2025
4 Insider transaction Oct 2, 2025 Sep 30, 2025
4 Insider transaction Sep 25, 2025 Sep 23, 2025
8-K Current report
Regulation FD disclosure
Sep 25, 2025 Sep 25, 2025
4 Insider transaction Sep 17, 2025 Sep 15, 2025
4 Insider transaction Sep 17, 2025 Sep 16, 2025
4 Insider transaction Sep 17, 2025 Sep 15, 2025
4 Insider transaction Sep 17, 2025 Sep 15, 2025
144 Notice of proposed sale Sep 15, 2025 —
144 Notice of proposed sale Sep 15, 2025 —
4 Insider transaction Sep 12, 2025 Sep 12, 2025
4 Insider transaction Sep 12, 2025 Sep 11, 2025
4 Insider transaction Sep 12, 2025 Sep 10, 2025
4 Insider transaction Sep 11, 2025 Sep 9, 2025
4 Insider transaction Sep 10, 2025 Sep 8, 2025
144 Notice of proposed sale Sep 10, 2025 —
144 Notice of proposed sale Sep 8, 2025 —
144 Notice of proposed sale Sep 8, 2025 —
144 Notice of proposed sale Sep 8, 2025 —
144 Notice of proposed sale Sep 8, 2025 —
144 Notice of proposed sale Sep 8, 2025 —
4 Insider transaction Sep 4, 2025 Sep 2, 2025
8-K Current report
Officer or director change
Aug 29, 2025 Aug 29, 2025
4 Insider transaction Aug 28, 2025 Aug 26, 2025
4 Insider transaction Aug 27, 2025 Aug 25, 2025
144 Notice of proposed sale Aug 26, 2025 —
4 Insider transaction Aug 22, 2025 Aug 21, 2025
4 Insider transaction Aug 19, 2025 Aug 15, 2025
4 Insider transaction Aug 19, 2025 Aug 15, 2025
4 Insider transaction Aug 19, 2025 Aug 15, 2025
4 Insider transaction Aug 19, 2025 Aug 15, 2025
4 Insider transaction Aug 19, 2025 Aug 15, 2025
144 Notice of proposed sale Aug 18, 2025 —
144 Notice of proposed sale Aug 18, 2025 —
144 Notice of proposed sale Aug 18, 2025 —
4 Insider transaction Aug 15, 2025 Aug 13, 2025
8-K Current report
Material agreement, Regulation FD disclosure
Aug 15, 2025 Aug 13, 2025
424B7 Filing Aug 15, 2025 —
424B7 Filing Aug 14, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 8, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 5, 2025 —
10-Q Quarterly report Aug 5, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 5, 2025 Aug 5, 2025
8-K Current report
Officer or director change
Aug 5, 2025 Jul 30, 2025
4 Insider transaction Jul 29, 2025 Jul 28, 2025
4 Insider transaction Jul 16, 2025 Jul 15, 2025

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Services-Prepackaged Software (SIC 7372)
Listed as
KVYO (NYSE)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Boston, MA
SEC filer status
Large accelerated filer
SEC CIK
1835830

Other Services-Prepackaged Software companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.