secwatch.observer — SEC 8-K summary
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Issuer:     Ambiq Micro, Inc. (AMBQ)
CIK:        0001500412
Form:       8-K
Filed at:   2026-03-05T23:59:59+00:00
Accession:  0001193125-26-092653
Event type: earnings
Sentiment:  positive
Materiality: 0.75
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Ambiq Q4 net sales $20.7M, highest of 2025; gross margin 42.7%; guides Q1 $21-22M
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- Q4 net sales $20.7M, highest of 2025; 14.2% QoQ growth and 2.0% YoY growth.
- GAAP gross margin 42.7% vs 24.8% YoY; non-GAAP 45.5%; full-year gross profit record.
- Q4 GAAP net loss $10.7M ($0.58 per share); EPS improved from -$26.41 in Q4 2024.
- Q1 2026 guidance: net sales $21-22M, signaling continued momentum.
- Completed upsized IPO ($102.7M net) and follow-on ($76.8M net); launched Atomiq NPU SoC.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1500412/000119312526092653/0001193125-26-092653-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1500412/000119312526092653/ambq-20260305.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-092653

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer