Amplitude, Inc. SEC filings AMPL
Amplitude, Inc. has 527 filings in SEC EDGAR's recent list, going back to Jun 11, 2021. Its latest annual report, Form ARS, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 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). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Dec 21, 2021 | — |
| EFFECT | Filing | Sep 21, 2021 | — |
| CERT | Filing | Sep 21, 2021 | — |
| 8-A12B | Filing | Sep 17, 2021 | — |
| CORRESP | Letter to the SEC | Sep 17, 2021 | — |
| CORRESP | Letter to the SEC | Sep 13, 2021 | — |
| CORRESP | Letter to the SEC | Aug 30, 2021 | — |
| CORRESP | Letter to the SEC | Aug 30, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 27, 2021 | — |
| DRSLTR | Filing | Aug 13, 2021 | — |
| DRSLTR | Filing | Aug 13, 2021 | — |
| DRS/A | Filing | Aug 13, 2021 | — |
| UPLOAD | Letter from the SEC | Aug 9, 2021 | — |
| DRSLTR | Filing | Jul 26, 2021 | — |
| DRS/A | Filing | Jul 26, 2021 | — |
| UPLOAD | Letter from the SEC | Jul 19, 2021 | — |
| DRS | Filing | Jun 21, 2021 | — |
| D | Filing | Jun 11, 2021 | — |
Showing 18 filings. 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Services-Prepackaged Software (SIC 7372)
- Listed as
- AMPL (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- San Francisco, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1866692
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.