Chen Sean Chihhsiang: insider trades.
Chen Sean Chihhsiang reported 7 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 5 sales ($1.8M), across 1 company.
- Transactions
- 7
- Purchases (P)
- 0
- Sales (S)
- 5
- Companies
- 1
- Name as filed
- Chen Sean Chihhsiang
Companies
| Company | Relationship | Transactions |
|---|---|---|
| Ambiq Micro, Inc. (AMBQ) | Officer · President and COO | 7 |
Transactions
| Date | Company | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-14 | Ambiq Micro, Inc. | S | 11,000 | $60.24 | 121,675 | Form 4 |
| 2026-09-14 | Ambiq Micro, Inc. | S | 1,400 | $60.83 | 120,275 | Form 4 |
| 2026-09-14 | Ambiq Micro, Inc. | S | 2,600 | $59.36 | 132,675 | Form 4 |
| 2026-09-14 | Ambiq Micro, Inc. | M | 15,000 | $8.12 | 135,275 | Form 4 |
| 2026-09-04 | Ambiq Micro, Inc. | M | 15,000 | $8.12 | 135,275 | Form 4 |
| 2026-09-04 | Ambiq Micro, Inc. | S | 12,874 | $57.09 | 122,401 | Form 4 |
| 2026-09-04 | Ambiq Micro, Inc. | S | 2,126 | $57.68 | 120,275 | Form 4 |
Questions
What stock did Chen Sean Chihhsiang buy or sell?
Chen Sean Chihhsiang reported 7 non-derivative transactions on 2 SEC ownership filings in Q3 2026: 0 open-market purchases and 5 sales ($1.8M), across 1 company.
Is Chen Sean Chihhsiang the same person as other filers with this name?
This page covers SEC CIK 2078559 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.
Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.
Plain-text version for agents and LLMs: /insiders/chen-sean-chihhsiang-2078559.md
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