# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001835830-26-000007
Filing Date
2026-02-10
Accepted
2026-02-10 16:08:23
Documents
109
Period of Report
2025-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | kvyo-20251231.htm iXBRL | 10-K | 2123909
2 | EX-4.2 | a10-kexhibit421.htm | EX-4.2 | 33950
3 | EX-10.8 | a10-kexhibit1081.htm | EX-10.8 | 205542
4 | EX-10.14 | a10-kexhibit10141.htm | EX-10.14 | 20243
5 | EX-19.1 | a10-kexhibit1911.htm | EX-19.1 | 122634
6 | EX-21.1 | a10-kexhibit2111.htm | EX-21.1 | 7571
7 | EX-23.1 | a10-kexhibit2311.htm | EX-23.1 | 1985
8 | EX-31.1 | a10-kexhibit3111.htm | EX-31.1 | 7407
9 | EX-31.2 | a10-kexhibit3121.htm | EX-31.2 | 7378
10 | EX-31.3 | a10-kexhibit3131.htm | EX-31.3 | 7387
11 | EX-32.1 | a10-kexhibit3211.htm | EX-32.1 | 4455
12 | EX-32.2 | a10-kexhibit3221.htm | EX-32.2 | 4479
13 | EX-32.3 | a10-kexhibit3231.htm | EX-32.3 | 4459
14 | EX-97.1 | a10-kexhibit9711.htm | EX-97.1 | 42964
20 | GRAPHIC | image_0a.jpg | GRAPHIC | 3919
21 |  | kvyo-20251231_g1.jpg | GRAPHIC | 123768
| Complete submission text file | 0001835830-26-000007.txt |  | 11412611

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
15 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | kvyo-20251231.xsd | EX-101.SCH | 67819
16 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | kvyo-20251231_cal.xml | EX-101.CAL | 108128
17 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | kvyo-20251231_def.xml | EX-101.DEF | 387740
18 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | kvyo-20251231_lab.xml | EX-101.LAB | 928703
19 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | kvyo-20251231_pre.xml | EX-101.PRE | 669674
112 | EXTRACTED XBRL INSTANCE DOCUMENT | kvyo-20251231_htm.xml | XML | 1394211

Mailing Address 125 SUMMER STREET, FLOOR 6 BOSTON MA 02110
Business Address 125 SUMMER STREET, FLOOR 6 BOSTON MA 02110 800-338-1744
Klaviyo, Inc. (Filer) CIK: 0001835830 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-41806 | Film No.: 26616003
SIC: 7372 Services-Prepackaged Software
(CF Office: 06 Technology)