Ambiq Micro, Inc.
- AMBQ · NYSE
- Semiconductors & Related Devices
- Austin, TX
- 202 employees
- CIK 0001500412
Updated from SEC filings through
Top things to know
Executives
- Fumihide Esaka Chief Executive Officer 4, 2026-09-15
- Jeffrey G. Winzeler Chief Financial Officer 4, 2026-06-04
- Scott McLean Hanson Chief Technology Officer 4, 2026-09-17
- Sean Chihhsiang Chen President and COO 4, 2026-09-15
- Michele Kim Connors General Counsel 4, 2026-04-06
What leadership is saying
“Since the start of the year, we have seen a step-change in demand, further reinforcing our belief in the scale and durability of the edge AI opportunity. That momentum drove our net sales up approximately 90% year over year, marking our fifth consecutive quarter of growth, and we expect demand to strengthen even further in the second half of the year”
Earnings press release (8-K Ex. 99.1), filed August 11, 2026
Ambiq Micro, Inc. is a U.S. public company in semiconductors & related devices (SIC 3674), headquartered in Austin, TX. It trades as AMBQ on NYSE. Revenue was $72.5M in the fiscal year ending December 31, 2025, -4.7% from the year before. It reported about 202 employees. Fumihide Esaka is Chief Executive Officer.
Five-year financials
| Metric | FY2025 | FY2024 |
|---|---|---|
| Revenue | $72.5M 10-K, 2026-03-05 | $76.1M 10-K, 2026-03-05 |
| Operating income | -$39.5M 10-K, 2026-03-05 | -$40.6M 10-K, 2026-03-05 |
| SG&A | $33.2M 10-K, 2026-03-05 | $27.7M 10-K, 2026-03-05 |
| Net income | -$36.5M 10-K, 2026-03-05 | -$39.7M 10-K, 2026-03-05 |
Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.
Leadership and board
| Name | Title | Source |
|---|---|---|
| Fumihide Esaka CEO at Ambiq Micro | Chief Executive Officer | 4, 2026-09-15 |
| Jeffrey G. Winzeler Chief Financial Officer | Chief Financial Officer | 4, 2026-06-04 |
| Scott McLean Hanson | Chief Technology Officer | 4, 2026-09-17 |
| Sean Chihhsiang Chen | President and COO | 4, 2026-09-15 |
| Michele Kim Connors | General Counsel | 4, 2026-04-06 |
| Bernard B. Banks | Director | 10-K, 2026-03-05 |
| Joseph Tautges | Director | 10-K, 2026-03-05 |
| Ker Zhang, Ph.D. | Director | 10-K, 2026-03-05 |
| Scott Hanson, Ph.D. | Director | 10-K, 2026-03-05 |
| Timothy Chen | Director | 10-K, 2026-03-05 |
| Wen Hsieh, Ph.D. | Director | 10-K, 2026-03-05 |
What Ambiq Micro, Inc. does
We are a pioneer and leading provider of ultra-low power semiconductor solutions designed to address the significant power consumption challenges of general purpose and AI compute – especially at the edge.
Item 1. Business, 10-K for the year ending December 31, 2025
Shares and governance
| Shares outstanding | 24.2 million (as of August 7, 2026) | 10-Q, August 11, 2026 |
|---|---|---|
| Public float | $0 (as of June 30, 2024) | 10-K, March 5, 2026 |
| Reportable segments | 1 (period ending June 30, 2026) | 10-Q, August 11, 2026 |
| Latest proxy statement | Meeting April 22, 2026 (filed April 22, 2026) | DEF 14A, April 22, 2026 |
| Auditor | Kpmg LLP (Austin, Texas) | Latest 10-K |
Insider trades
Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.
| Date | Insider | Trade | Shares | Value | Source |
|---|---|---|---|---|---|
| October 15, 2026 | Fumihide Esaka Chief Executive Officer | Sale | 5,000 | $255K | Form 4, October 16, 2026 |
| October 15, 2026 | Scott McLean Hanson Chief Technology Officer | Sale | 7,000 | $357K | Form 4, October 16, 2026 |
| October 14, 2026 | Sean Chihhsiang Chen President and COO | Sale | 15,000 | $772K | Form 4, October 16, 2026 |
| October 5, 2026 | Sean Chihhsiang Chen President and COO | Sale | 14,007 | $952K | Form 4, October 6, 2026 |
| October 2, 2026 | Fumihide Esaka Chief Executive Officer | Sale | 16,560 | $1.2M | Form 4, October 6, 2026 |
| October 2, 2026 | Scott McLean Hanson Chief Technology Officer | Sale | 8,680 | $604K | Form 4, October 6, 2026 |
| October 2, 2026 | Jeffrey G. Winzeler Chief Financial Officer | Sale | 5,455 | $380K | Form 4, October 6, 2026 |
| September 15, 2026 | Scott McLean Hanson Chief Technology Officer | Sale | 7,000 | $422K | Form 4, September 17, 2026 |
Recent 8-K events
- 8-K filed 2026-08-11
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-07-30
- Item 7.01 Regulation FD disclosure
- 8-K filed 2026-06-08
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2026-05-12
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-03-05
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-01-21
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-01-08
- Item 5.02 Departure or appointment of directors or officers; compensation
- 8-K filed 2025-11-06
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-10-03
- Item 5.02 Departure or appointment of directors or officers; compensation
- 8-K filed 2025-09-04
- Item 2.02 Results of operations and financial condition (earnings release)
Frequently asked questions about Ambiq Micro, Inc.
- What does Ambiq Micro, Inc. do?
- Ambiq Micro, Inc. is classified by the SEC as Semiconductors & Related Devices (SIC 3674). It is based in Austin, TX.
- What is Ambiq Micro, Inc.'s revenue?
- $72.5M for the fiscal year ending December 31, 2025, from its 10-K filed March 5, 2026.
- Is Ambiq Micro, Inc. profitable?
- Ambiq Micro, Inc. reported net income of -$36.5M for the fiscal year ending December 31, 2025.
- How many employees does Ambiq Micro, Inc. have?
- About 202 as of December 31, 2025, as stated in its annual report.
- Who is the CEO of Ambiq Micro, Inc.?
- Fumihide Esaka, Chief Executive Officer, as named in a 4 filed September 15, 2026.
- Who is the CFO of Ambiq Micro, Inc.?
- Jeffrey G. Winzeler, Chief Financial Officer, as named in a 4 filed June 4, 2026.
- Where is Ambiq Micro, Inc. headquartered?
- Austin, TX.
- What is Ambiq Micro, Inc.'s stock ticker?
- AMBQ on NYSE.
- What industry is Ambiq Micro, Inc. in?
- Semiconductors & Related Devices, SIC code 3674.
- What is Ambiq Micro, Inc.'s website?
- ambiq.com.
- When does Ambiq Micro, Inc. report earnings next?
- November 10, 2026 at 08:30. Source: pg_future_events.
- Is Ambiq Micro, Inc. a public company?
- Yes. Ambiq Micro, Inc. files with the SEC under CIK 0001500412 and trades as AMBQ.
- Who audits Ambiq Micro, Inc.?
- Kpmg LLP, Austin, Texas, as named in its latest annual report (10-K).
- How many shares of Ambiq Micro, Inc. are outstanding?
- 24.2 million shares as of August 7, 2026, from its 10-Q filed August 11, 2026.
- What is Ambiq Micro, Inc.'s public float?
- $0 as of June 30, 2024, as reported on the cover of its 10-K filed March 5, 2026.
- How many business segments does Ambiq Micro, Inc. report?
- 1 reportable segment for the period ending June 30, 2026, from its 10-Q filed August 11, 2026.
- When is Ambiq Micro, Inc.'s annual shareholder meeting?
- April 22, 2026, per its proxy statement (DEF 14A) filed April 22, 2026.
- Have Ambiq Micro, Inc. insiders traded stock recently?
- Since January 26, 2026, officers and directors reported 25 open-market sales worth about $38.9M and 0 purchases on Forms 4 and 5. The most recent: Fumihide Esaka (Chief Executive Officer) sold 5,000 shares on October 15, 2026.