| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in AMBQ over the last quarter tilts toward selling: insiders offloaded a net 366,387 shares worth roughly $22.1M. In the past 30 days, 0 insiders bought and 3 sold.
All 3 insiders who sold still hold shares after their sales.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 443.9K | $19.83M | -5,000 | |
| Other | 212.5K | $9.50M | -7,000 | |
| COO | 106.3K | $4.75M | -15,000 | |
| CFO | 100.8K | $4.51M | - | |
| Other | 60.6K | $2.71M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Ker Zhang | Director | Sell | 10,000 | $63.44 | $634,360.99 | -32.9% | - | - | |
| Sep 4, 2026 | Sean Chihhsiang Chen | President and COO | Sale+OE10b5-1 | 15,000 | $57.17 | $857,557.59 | -11.1% | - | - | |
| Sep 4, 2026 | Ker Zhang | Director | Sale+OE | 185 | $56.92 | $10,530.20 | -0.6% | - | - | |
| Sep 2, 2026 | Fumihide Esaka | Chief Executive Officer | Sale+OE10b5-1 | 108,500 | $56.89 | $6,172,545.56 | -19.1% | - | - | |
| Aug 27, 2026 | Scott McLean Hanson | Chief Technology Officer | Sale+OE | 55,000 | $59.69 | $3,283,078.60 | -19.9% | - | - | |
| Aug 14, 2026 | Fumihide Esaka | Chief Executive Officer | Sale+OE10b5-1 | 13,500 | $64.39 | $869,226.03 | -2.9% | - | - | |
| Aug 14, 2026 | Scott McLean Hanson | Chief Technology Officer | Sale+OE10b5-1 | 7,000 | $64.38 | $450,638.94 | -3.2% | - | - | |
| May 27, 2026 | Timothy Chen | Director | Sell | 70,592 | $79.79 | $5,632,525.20 | -100% | - | - | |
| May 15, 2026 | Sean Chihhsiang Chen | President and COO | Sale+OE | 55,685 | $70.89 | $3,947,280.94 | -31.6% | - | - | |
| May 14, 2026 | Fumihide Esaka | Chief Executive Officer | Sale+OE | 60,000 | $70.02 | $4,201,122.00 | -13.3% | - | - |