---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-113025"
form_type: "8-K"
ticker: "AMBQ"
cik: "0001500412"
company_name: "Ambiq Micro, Inc."
filed_at: "2025-09-04T23:59:59+00:00"
generated_at: "2026-05-17T08:17:07.118329+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ambiq Q2 revenue $17.9M (+13.6% seq); net loss $8.5M; IPO raised $97.2M

## Summary
- Revenue of $17.9M up 13.6% sequentially, down 11.8% YoY from $20.3M.
- Gross margin 40.1% GAAP, 42.7% non-GAAP; net loss $8.5M (pro forma loss $(0.43)/share).
- Cash $47.5M at June 30; subsequent IPO generated net proceeds of $97.2M from 4.6M shares at $24.
- Q3 guidance: revenue $17.5M-$18.0M, non-GAAP loss per share ($0.35)-($0.28).
- China revenue mix fell to 11.5% from 42% a year ago as Ambiq diversifies geographically.

## SEC filing metadata
- accession: 0000950170-25-113025
- form_type: 8-K
- ticker: AMBQ
- cik: 0001500412
- company_name: Ambiq Micro, Inc.
- filed_at: 2025-09-04T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1500412/000095017025113025/0000950170-25-113025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1500412/000095017025113025/ambq-20250904.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-113025
- JSON: https://secwatch.observer/filing/0000950170-25-113025.json
- Plain text: https://secwatch.observer/filing/0000950170-25-113025.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.