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)