AMPL 10-Q: SEC filing
Amplitude, Inc.
Filed with the SEC on · accession 0001193125-26-447817
AMPL filed a 10-Q (quarterly report) with the SEC on Nov 5, 2026. The quarterly report: unaudited results for the quarter plus management’s comments. The stock moved -6.3% by the first close after the filing.
Summary of the filing
Amplitude, Inc. filed its quarterly report on Form 10-Q for the period ended September 30, 2026, reporting financial results and disclosing a business acquisition (InfiniGrow Ltd.) completed on January 14, 2026.
Key details
How AMPL stock reacted
Close before
$17.19
Nov 4, 2026
First close after
-6.34%
$16.10
5 trading days
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Since filing
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Click hereFrequently asked questions
What did AMPL file with the SEC on Nov 5, 2026?
AMPL filed a 10-Q (SEC filing). Amplitude, Inc. filed its quarterly report on Form 10-Q for the period ended September 30, 2026, reporting financial results and disclosing a business acquisition (InfiniGrow Ltd.) completed on January 14, 2026.
How do I read a 10-Q?
The quarterly report: unaudited results for the quarter plus management’s comments. Compare revenue, margins and cash flow with the same quarter last year. Check MD&A for guidance changes and what drove the quarter.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 10-Q (quarterly report): The quarterly report: unaudited results for the quarter plus management’s comments.
How did AMPL stock react to this filing?
AMPL closed at $17.19 before the filing and $16.10 on Nov 5, 2026 (-6.34%).
Other AMPL SEC filings
- 8-K · SEC filingNov 4, 2026
- 8-K · Board changeOct 15, 2026
- 10-Q · SEC filingAug 6, 2026
- 8-K · SEC filingAug 5, 2026
- 144 · Insider sale plannedJun 12, 2026
- 8-K · SEC filingJun 10, 2026
- 144 · Insider sale plannedJun 1, 2026
- 10-Q · SEC filingMay 7, 2026
- 8-K · SEC filingMay 6, 2026
- DEF 14A · Board changeApr 24, 2026
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