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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-22-001372
Filing Date
2022-02-17
Accepted
2022-02-16 18:32:30
Documents
85
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K ampl-20211231.htm   iXBRL 10-K 3871419
2 EX-4.1 ampl-ex4_1.htm EX-4.1 68028
3 EX-21.1 ampl-ex21_1.htm EX-21.1 16633
4 EX-23.1 ampl-ex23_1.htm EX-23.1 4494
5 EX-31.1 ampl-ex31_1.htm EX-31.1 19283
6 EX-31.2 ampl-ex31_2.htm EX-31.2 19280
7 EX-32.1 ampl-ex32_1.htm EX-32.1 11237
8 EX-32.2 ampl-ex32_2.htm EX-32.2 11236
9 GRAPHIC img110888897_0.jpg GRAPHIC 27750
10 GRAPHIC img110888897_1.jpg GRAPHIC 19445
11 GRAPHIC img110888897_2.jpg GRAPHIC 89849
  Complete submission text file 0000950170-22-001372.txt   14206251

Data Files

Seq Description Document Type Size
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ampl-20211231_lab.xml EX-101.LAB 583525
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ampl-20211231_def.xml EX-101.DEF 257153
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ampl-20211231_pre.xml EX-101.PRE 440747
15 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ampl-20211231.xsd EX-101.SCH 64111
16 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ampl-20211231_cal.xml EX-101.CAL 68498
79 EXTRACTED XBRL INSTANCE DOCUMENT ampl-20211231_htm.xml XML 3030516
Mailing Address 201 THIRD STREET, SUITE 200 SAN FRANCISCO CA 94103
Business Address 201 THIRD STREET, SUITE 200 SAN FRANCISCO CA 94103 510 473-5668
Amplitude, Inc. (Filer) CIK: 0001866692 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-40817 | Film No.: 22645073
SIC: 7372 Services-Prepackaged Software
Office of Technology