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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 15, 2026 | Oct 15, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2026 | Jun 9, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| ARS | Annual report to shareholders | Apr 24, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 24, 2026 | — |
| DEF 14A | Proxy statement | Apr 24, 2026 | Jun 9, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 24, 2026 | Feb 24, 2026 |
| S-8 | Employee stock plan registration | Feb 19, 2026 | — |
| 10-K | Annual report | Feb 19, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2026 | Feb 18, 2026 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 12, 2025 | Jun 6, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Material agreement
|
Apr 1, 2025 | Mar 28, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 25, 2025 | Feb 22, 2025 |
| S-8 | Employee stock plan registration | Feb 20, 2025 | — |
| 10-K | Annual report | Feb 20, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2025 | Feb 19, 2025 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 5, 2024 | Aug 5, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2024 | Jun 11, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 24, 2024 | May 23, 2024 |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| ARS | Annual report to shareholders | Apr 29, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 29, 2024 | — |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 11, 2024 |
| PRE 14A | Preliminary proxy statement | Apr 15, 2024 | Jun 11, 2024 |
| S-8 | Employee stock plan registration | Feb 20, 2024 | — |
| 10-K | Annual report | Feb 20, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 20, 2024 | Feb 20, 2024 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2023 | Jun 8, 2023 |
| 10-Q | Quarterly report | May 10, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| 8-K |
Current report
Officer or director change
|
May 5, 2023 | May 5, 2023 |
| ARS | Annual report to shareholders | Apr 27, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 27, 2023 | — |
| DEF 14A | Proxy statement | Apr 27, 2023 | — |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Apr 5, 2023 | Apr 3, 2023 |
| 8-K |
Current report
Officer or director change
|
Apr 5, 2023 | Mar 30, 2023 |
| S-8 | Employee stock plan registration | Feb 16, 2023 | — |
| 10-K | Annual report | Feb 16, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Feb 15, 2023 | Feb 15, 2023 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 10-Q | Quarterly report | Aug 4, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2022 | Aug 3, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jul 1, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2022 | Jun 9, 2022 |
| 10-Q | Quarterly report | May 5, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 4, 2022 | May 4, 2022 |
| DEFA14A | Additional proxy material | Apr 25, 2022 | — |
| DEF 14A | Proxy statement | Apr 25, 2022 | Jun 9, 2022 |
| S-8 | Employee stock plan registration | Feb 17, 2022 | — |
| 10-K | Annual report | Feb 17, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 16, 2022 | Feb 16, 2022 |
| 8-K |
Current report
Officer or director change
|
Jan 14, 2022 | Jan 11, 2022 |
| EFFECT | Filing | Dec 21, 2021 | — |
| POS AM | Filing | Dec 20, 2021 | — |
| 424B3 | Prospectus | Nov 9, 2021 | — |
| 10-Q | Quarterly report | Nov 9, 2021 | Sep 30, 2021 |
| 424B3 | Prospectus | Nov 9, 2021 | — |
| 8-K |
Current report
Results of operations, Officer or director change
|
Nov 9, 2021 | Nov 8, 2021 |
| 424B4 | Prospectus | Sep 28, 2021 | — |
| FWP | Free writing prospectus | Sep 27, 2021 | — |
| 8-K |
Current report
Other events
|
Sep 27, 2021 | Sep 27, 2021 |
| FWP | Free writing prospectus | Sep 23, 2021 | — |
| 8-K |
Current report
Other events
|
Sep 23, 2021 | Sep 23, 2021 |
| EFFECT | Filing | Sep 21, 2021 | — |
| S-8 | Employee stock plan registration | Sep 21, 2021 | — |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 21, 2021 | 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 | — |
| S-1/A | Amended registration statement | Sep 13, 2021 | — |
| CORRESP | Letter to the SEC | Aug 30, 2021 | — |
| CORRESP | Letter to the SEC | Aug 30, 2021 | — |
| S-1 | Registration statement | 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 108 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.