Chen Sean Chihhsiang — President and COO
Insider trading activity for Chen Sean Chihhsiang sourced from SEC EDGAR Form 4 filings.
Overview
- Title: President and COO
- Company: Ambiq Micro, Inc.
- Total insider trades: 27
- Total buy volume: $0
- Total sell volume: $7.3M
- Last trade: Oct 16, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Oct 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | OTHER | 15,000 | $0 |
| Oct 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 200 | $11K |
| Oct 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 4,000 | $214K |
| Oct 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 2,000 | $105K |
| Oct 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 1,261 | $65K |
| Oct 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 7,539 | $378K |
| Oct 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | OTHER | 15,000 | $122K |
| Oct 5, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 100 | $7K |
| Oct 5, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 800 | $54K |
| Oct 5, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 1,797 | $121K |
| Oct 5, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 5,508 | $366K |
| Oct 2, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 302 | $22K |
| Oct 2, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 3,008 | $210K |
| Oct 2, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 2,492 | $172K |
| Sep 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | OTHER | 15,000 | N/A |
| Sep 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 1,400 | $85K |
| Sep 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 11,000 | $663K |
| Sep 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | SELL | 2,600 | $154K |
| Sep 14, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | OTHER | 15,000 | $122K |
| Sep 4, 2026 | Chen Sean Chihhsiang | AMBQ Ambiq Micro, Inc. | OTHER | 15,000 | N/A |