Insider · CIK 0002078559
Sean Chihhsiang Chen
Files at: AMBQ. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 SForm 4 → | Sep 15, 6:57 pm EDT | Ambiq Micro, Inc.AMBQ | 15,000 | $60.14 | $902,130 | 120,275 | −11.1% | 10b5-1 |
| Sep 14, 2026 MForm 4 → | Sep 15, 6:57 pm EDT | Ambiq Micro, Inc.AMBQ | 15,000 | $8.12 | $121,800 | 135,275 | — | 10b5-1 |
| Sep 4, 2026 SForm 4 → | Sep 9, 5:10 pm EDT | Ambiq Micro, Inc.AMBQ | 15,000 | $57.17 | $857,558 | 120,275 | −11.1% | 10b5-1 |
| Sep 4, 2026 MForm 4 → | Sep 9, 5:10 pm EDT | Ambiq Micro, Inc.AMBQ | 15,000 | $8.12 | $121,800 | 135,275 | — | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 MForm 4 → | Sep 15, 6:57 pm EDT | Ambiq Micro, Inc.AMBQ | 15,000 | — | — | 134,423 | — | 10b5-1 |
| Sep 4, 2026 MForm 4 → | Sep 9, 5:10 pm EDT | Ambiq Micro, Inc.AMBQ | 15,000 | — | — | 149,423 | — | 10b5-1 |