IPO Journey

Ambiq Micro, Inc.

IPO Date: June 25, 2026 · 7 filings tracked

Final Offer Terms

Ticker
AMBQ
Exchange
New York Stock Exchange
Offer Price
$78.00
Shares Offered
2,000,000
Estimated Proceeds
$156.0M
Expected Listing
June 25, 2026
Underwriters

Led by BofA Securities, UBS Investment Bank

Filing Timeline

1
S-1
July 3, 2025
  • Proprietary SPOT technology significantly extends battery life for wearables.
  • Proven market traction with over 270 million units shipped to major tech leaders.
2
S-1/A
July 21, 2025
  • Proprietary SPOT® technology enables industry-leading energy efficiency for battery-powered devices.
  • Proven market traction with over 270 million units shipped to major global customers.

Changes from previous filing

  • Expected offer range: $22.0 – $25.0 per share
  • Shares offered: 3,400,000
  • Estimated proceeds: $74M
3
424B4 Material Update
July 31, 2025
  • Proprietary SPOT® technology enables ultra-low-power AI processing for edge devices.
  • Proven market penetration with over 270 million devices powered globally.

Changes from previous filing

  • Price range removed
  • Final offer price: $24.0 per share
  • Shares offered: 4,000,000
  • Estimated proceeds: $96M
4
S-1
January 21, 2026
  • Proprietary SPOT technology enables high-performance AI processing with industry-leading energy efficiency.
  • Proven market traction with over 290 million units shipped to major tech players like Google and Garmin.

Changes from previous filing

  • Ticker symbol removed
5
424B4 Material Update
January 26, 2026
  • Proprietary SPOT platform enables industry-leading ultra-low-power consumption for IoT and wearables.
  • Enables 'Edge AI' processing, reducing latency and cloud dependency for smart devices.

Changes from previous filing

  • Ticker symbol: AMBQ
  • Exchange: New York Stock Exchange
  • Final offer price: $31.0 per share
  • Shares offered: 2,679,600
  • Estimated proceeds: $83M
  • Underwriters: BofA Securities, UBS Investment Bank, Needham & Company, Stifel
6
S-1
June 22, 2026
  • Proprietary SPOT® technology enables industry-leading energy efficiency for AI-at-the-edge.
  • Proven market adoption with over 300 million units shipped to major brands like Google and Garmin.

Changes from previous filing

  • Ticker symbol removed
424B4 Final Pricing
June 25, 2026
  • Proprietary SPOT® technology enables industry-leading power efficiency for AI at the edge.
  • Proven market penetration with chips integrated into over 300 million devices globally.

Changes from previous filing

  • Ticker symbol: AMBQ
  • Exchange: New York Stock Exchange
  • Final offer price: $78.0 per share
  • Shares offered: 2,000,000
  • Estimated proceeds: $156M
  • Underwriters: BofA Securities, UBS Investment Bank, Needham & Company, Stifel, Roth Capital Partners
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