Company facts
- Industry
- Services-Prepackaged Software
- Headquarters
- San Francisco, California
- Most recent report
- 8-K, filed Oct 15, 2026
- Incorporated
- Delaware
- Filings on record
- 517 filings
- On EDGAR
- CIK 1866692
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 20
News 8 of 39
Prospectuses and Registrations 8 of 14
- S-8 Registration statement for an employee plan Feb 19, 2026
- S-8 Registration statement for an employee plan Feb 20, 2025
- S-8 Registration statement for an employee plan Feb 20, 2024
- S-8 Registration statement for an employee plan Feb 16, 2023
- S-8 Registration statement for an employee plan Feb 17, 2022
- POS AM Post-effective amendment to a registration Dec 20, 2021
- 424B3 Prospectus supplement for an offering Nov 9, 2021
- 424B3 Prospectus supplement for an offering Nov 9, 2021
Proxies 8 of 11
- DEFA14A Extra proxy material Apr 24, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 24, 2026
- DEFA14A Extra proxy material Apr 25, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- DEFA14A Extra proxy material Apr 29, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 29, 2024
- PRE 14A Preliminary proxy statement Apr 15, 2024
- DEFA14A Extra proxy material Apr 27, 2023
Ownership 8 of 411
- 4 Insider reported a trade Oct 15, 2026
- 3 Insider reported their initial holding Oct 15, 2026
- 4 Insider reported a trade Oct 7, 2026
- 4 Insider reported a trade Oct 7, 2026
- 4 Insider reported a trade Oct 6, 2026
- 4 Insider reported a trade Oct 2, 2026
- 144 Notice of a proposed sale of restricted stock Oct 2, 2026
- 144 Notice of a proposed sale of restricted stock Oct 1, 2026
Other 8 of 22
- ARS Annual report sent to shareholders Apr 24, 2026
- ARS Annual report sent to shareholders Apr 25, 2025
- ARS Annual report sent to shareholders Apr 29, 2024
- ARS Annual report sent to shareholders Apr 27, 2023
- EFFECT Notice that a registration became effective Dec 21, 2021
- EFFECT Notice that a registration became effective Sep 21, 2021
- CERT Exchange certified a listing Sep 21, 2021
- 8-A12B Registration of a security for exchange listing Sep 17, 2021
Everything here comes from Amplitude, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.