---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-170496"
form_type: "8-K"
ticker: "AMBQ"
cik: "0001500412"
company_name: "Ambiq Micro, Inc."
filed_at: "2025-07-31T23:59:59+00:00"
generated_at: "2026-05-17T22:17:43.436576+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Ambiq Micro closes IPO, adopts amended governing documents

## Summary
- IPO closed July 31, 2025; amended and restated certificate of incorporation filed with Delaware.
- Amended and restated bylaws adopted effective July 31, 2025, following board and stockholder approval.
- Documents govern post-IPO operations; no financial terms disclosed in this filing.

## SEC filing metadata
- accession: 0001193125-25-170496
- form_type: 8-K
- ticker: AMBQ
- cik: 0001500412
- company_name: Ambiq Micro, Inc.
- filed_at: 2025-07-31T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1500412/000119312525170496/0001193125-25-170496-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1500412/000119312525170496/d64492d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-170496
- JSON: https://secwatch.observer/filing/0001193125-25-170496.json
- Plain text: https://secwatch.observer/filing/0001193125-25-170496.txt

## Key facts
- Governance Changes
  Ambiq Micro, Inc.: Amended and restated bylaws adopted in connection with IPO closing (effective 2025-07-31).
  - Change: bylaw amendment
  - Effective: 2025-07-31
  source text: the Company adopted the amended and restated bylaws (the “Amended and Restated Bylaws”) in connection with the closing of the IPO.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1500412/000119312525170496/0001193125-25-170496-index.htm
- Governance Changes
  Ambiq Micro, Inc.: Amended and restated certificate of incorporation filed in connection with IPO closing (effective 2025-07-31).
  - Change: charter amendment
  - Effective: 2025-07-31
  source text: the Company filed an amended and restated certificate of incorporation (the “Amended and Restated Certificate”) with the Secretary of State of the State of Delaware.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1500412/000119312525170496/0001193125-25-170496-index.htm

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