Ambiq Micro Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Ambiq Micro Inc.
- Ownership
- Public
- Status
- Active
- SIC code
- 3674 — Semiconductors & Related Devices
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Austin
- Headquarters state / province
- Texas
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- AMBQ
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001500412
- EIN
- 27-1911389
Board of directors
-
Bernard Bennett Banks · DirectorSince 2026
-
Fumihide Esaka · Director · Chief Executive OfficerSince 2025
-
Joseph A. Tautges · DirectorSince 2025
-
Ker Zhang · DirectorSince 2025
-
Scott McLean Hanson · Director · Chief Technology OfficerSince 2025
-
Timothy Chen · DirectorSince 2025
-
Wen Hsuan Hsieh · DirectorSince 2025
Chief executives
Fumihide Esaka
· Chief Executive Officer
Since July 2025
Director election results
Annual meeting of June 8, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
82.7%
-
83.1%
Board connections
2 of this board's directors also sit on 3 other boards.
- via Wen Hsuan Hsieh
- via Wen Hsuan Hsieh
- via Bernard Bennett Banks
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $34,461,197
- 50 sales by 8 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 15, 2026 | Scott McLean Hanson Director, Officer (Chief Technology Officer) | Option exercise | +7,000 | $8.12 | $56,840 |
| Sep 15, 2026 | Scott McLean Hanson Director, Officer (Chief Technology Officer) | Open-market sale | −1,953 | $59.53 | $116,270 |
| Sep 15, 2026 | Scott McLean Hanson Director, Officer (Chief Technology Officer) | Open-market sale | −4,947 | $60.56 | $299,573 |
| Sep 15, 2026 | Fumihide Esaka Director, Officer (Chief Executive Officer) | Option exercise | +13,500 | $8.12 | $109,620 |
| Sep 15, 2026 | Scott McLean Hanson Director, Officer (Chief Technology Officer) | Open-market sale | −100 | $61.00 | $6,100 |
| Sep 15, 2026 | Fumihide Esaka Director, Officer (Chief Executive Officer) | Open-market sale | −3,785 | $59.56 | $225,444 |
| Sep 15, 2026 | Fumihide Esaka Director, Officer (Chief Executive Officer) | Open-market sale | −9,615 | $60.55 | $582,171 |
| Sep 15, 2026 | Fumihide Esaka Director, Officer (Chief Executive Officer) | Open-market sale | −100 | $61.00 | $6,100 |
| Sep 14, 2026 | Chen Sean Chihhsiang Officer (President and COO) | Option exercise | +15,000 | $8.12 | $121,800 |
| Sep 14, 2026 | Chen Sean Chihhsiang Officer (President and COO) | Open-market sale | −2,600 | $59.36 | $154,346 |
| Sep 14, 2026 | Chen Sean Chihhsiang Officer (President and COO) | Open-market sale | −11,000 | $60.24 | $662,618 |
| Sep 14, 2026 | Chen Sean Chihhsiang Officer (President and COO) | Open-market sale | −1,400 | $60.83 | $85,166 |
| Sep 11, 2026 | Ker Zhang Director | Open-market sale | −9,100 | $63.39 | $576,809 |
| Sep 11, 2026 | Fumihide Esaka Director, Officer (Chief Executive Officer) | Option exercise | +50,000 | $12.60 | $630,000 |
| Sep 11, 2026 | Ker Zhang Director | Open-market sale | −900 | $63.95 | $57,552 |
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