---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-230103"
form_type: "8-K"
ticker: "AMBQ"
cik: "0001500412"
company_name: "Ambiq Micro, Inc."
filed_at: "2025-10-03T23:59:59+00:00"
generated_at: "2026-05-17T04:44:35.781947+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ambiq Micro awards IPO-related cash bonuses and RSUs to top four executives

## Summary
- CEO Esaka and CTO Hanson each receive $328K cash bonus; CFO Winzeler $120K, President Chen $105K, tied to IPO contributions and retention.
- Board accelerates one-third of CFO Winzeler's stock options, effective Oct 1, 2025.
- RSU grants: Esaka 159,907; Hanson 83,819; Winzeler 52,667; Chen 56,029, vesting 4 years with 25% cliff Oct 1, 2026 then quarterly.
- Awards made under 2025 Equity Incentive Plan to ensure retention of key executives post-IPO.

## SEC filing metadata
- accession: 0001193125-25-230103
- form_type: 8-K
- ticker: AMBQ
- cik: 0001500412
- company_name: Ambiq Micro, Inc.
- filed_at: 2025-10-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1500412/000119312525230103/0001193125-25-230103-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1500412/000119312525230103/d823936d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-230103
- JSON: https://secwatch.observer/filing/0001193125-25-230103.json
- Plain text: https://secwatch.observer/filing/0001193125-25-230103.txt

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