Amplitude, Inc.

Symbol: AMPL on Nasdaq
Entity: Company
Industry: Services Prepackaged Software (Office Of Technology)
Business address: 201 Third Street, Suite 200, 94103 San Francisco, CA
Phone: 510 473-5668
State of incorporation: DE
Fiscal year end: December 31
Category: Large accelerated filer
All SEC filings: View on sec.gov

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Amplitude, Inc. has filed 398 SEC EDGAR filings since 6/11/2021

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open Document	Open Filing	PRIMARY DOCUMENT	May 21, 2025	May 19, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	May 19, 2025	May 15, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	May 19, 2025	May 15, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	May 19, 2025	May 15, 2025
144	Open Document	Open Filing		May 19, 2025		001-40817
SCHEDULE 13G/A	Open Document	Open Filing		May 15, 2025		005-93357
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	May 14, 2025	May 12, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	May 12, 2025	May 8, 2025
144	Open Document	Open Filing		May 12, 2025		001-40817
SCHEDULE 13G/A	Open Document	Open Filing		May 12, 2025		005-93357
144	Open Document	Open Filing		May 8, 2025		001-40817
10-Q	Open Document \| Data	Open Filing	10-Q	May 7, 2025	Mar 31, 2025	001-40817
8-K	Open Document \| Data	Open Filing	8-K	May 7, 2025	May 7, 2025	001-40817
4	Open Document	Open Filing	PRIMARY DOCUMENT	Apr 29, 2025	Apr 25, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Apr 29, 2025	Apr 25, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Apr 29, 2025	Apr 25, 2025
ARS	Open Document	Open Filing	ARS	Apr 25, 2025	Dec 31, 2024	001-40817
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 25, 2025		001-40817
DEF 14A	Open Document \| Data	Open Filing	DEF 14A	Apr 25, 2025	Jun 12, 2025	001-40817
4	Open Document	Open Filing	PRIMARY DOCUMENT	Apr 8, 2025	Apr 5, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Apr 8, 2025	Apr 5, 2025
8-K	Open Document \| Data	Open Filing	8-K	Apr 1, 2025	Mar 28, 2025	001-40817
4	Open Document	Open Filing	PRIMARY DOCUMENT	Mar 17, 2025	Mar 13, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Mar 12, 2025	Mar 11, 2025
144	Open Document	Open Filing		Mar 11, 2025		001-40817
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Feb 26, 2025	Feb 24, 2025
SCHEDULE 13D/A	Open Document	Open Filing		Feb 25, 2025		005-93357
4	Open Document	Open Filing	4	Feb 25, 2025	Feb 22, 2025
3	Open Document	Open Filing	3	Feb 25, 2025	Feb 22, 2025
8-K	Open Document \| Data	Open Filing	8-K	Feb 25, 2025	Feb 22, 2025	001-40817
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Feb 24, 2025	Feb 20, 2025
144	Open Document	Open Filing		Feb 24, 2025		001-40817
S-8	Open Document \| Data	Open Filing	S-8	Feb 20, 2025		333-285093
10-K	Open Document \| Data	Open Filing	10-K	Feb 20, 2025	Dec 31, 2024	001-40817
8-K	Open Document \| Data	Open Filing	8-K	Feb 19, 2025	Feb 19, 2025	001-40817
4	Open Document	Open Filing	PRIMARY DOCUMENT	Feb 18, 2025	Feb 15, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Feb 18, 2025	Feb 15, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Jan 29, 2025	Jan 28, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Jan 7, 2025	Jan 5, 2025
4	Open Document	Open Filing	PRIMARY DOCUMENT	Dec 16, 2024	Dec 13, 2024
144	Open Document	Open Filing		Dec 13, 2024		001-40817
4	Open Document	Open Filing	PRIMARY DOCUMENT	Nov 19, 2024	Nov 18, 2024
4	Open Document	Open Filing	PRIMARY DOCUMENT	Nov 19, 2024	Nov 15, 2024
4	Open Document	Open Filing	PRIMARY DOCUMENT	Nov 19, 2024	Nov 15, 2024
144	Open Document	Open Filing		Nov 18, 2024		001-40817
4	Open Document	Open Filing	PRIMARY DOCUMENT	Nov 14, 2024	Nov 12, 2024
SC 13G/A	Open Document	Open Filing		Nov 14, 2024		005-93357
SC 13G/A	Open Document	Open Filing	SC 13G/A	Nov 13, 2024		005-93357
SC 13G/A	Open Document	Open Filing	SC 13G/A	Nov 13, 2024		005-93357
144	Open Document	Open Filing		Nov 12, 2024		001-40817

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