Sean Chihhsiang Chen, President and COO at Ambiq Micro, Inc. (AMBQ), sold 14,007 shares at $69.11 ($952K) on 2026-10-02, disclosed to the SEC on 2026-10-06.
Scheduled sale ($952k) by President and COO under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $69.11 | 2,492 | $172K | 18.1% |
| 2 | $69.77 | 3,008 | $210K | 22.1% |
| 3 | $71.86 | 302 | $22K | 2.3% |
| 4 | $66.38 | 5,508 | $366K | 38.4% |
| 5 | $67.29 | 1,797 | $121K | 12.7% |
| 6 | $68.08 | 800 |
| $54K |
| 5.7% |
| 7 | $69.51 | 100 | $7K | 0.7% |
| Total | $67.95 avg | 14,007 | $952K | 100% |
| Filing → |
| AMBQ | SELL | 2026-09-09 | $858K | — | Filing → |
| AMBQ | SELL | 2026-05-18 | $3.9M | — | Filing → |