Insider · CIK 0002078454
Fumihide Esaka
Files at: AMBQ. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 SForm 4 → | Sep 15, 6:56 pm EDT | Ambiq Micro, Inc.AMBQ | 63,500 | $62.70 | $3,981,709 | 460,460 | −12.1% | 10b5-1 |
| Sep 11, 2026 MForm 4 → | Sep 15, 6:56 pm EDT | Ambiq Micro, Inc.AMBQ | 63,500 | $11.65 | $739,620 | 473,960 | — | 10b5-1 |
| Aug 31, 2026 SForm 4 → | Sep 2, 4:47 pm EDT | Ambiq Micro, Inc.AMBQ | 108,500 | $56.89 | $6,172,546 | 460,460 | −19.1% | 10b5-1 |
| Aug 31, 2026 MForm 4 → | Sep 2, 4:47 pm EDT | Ambiq Micro, Inc.AMBQ | 117,771 | $12.09 | $1,423,435 | 471,487 | — | 10b5-1 |
| Aug 14, 2026 SForm 4 → | Aug 18, 4:30 pm EDT | Ambiq Micro, Inc.AMBQ | 13,500 | $64.39 | $869,226 | 451,189 | −2.91% | 10b5-1 |
| Aug 14, 2026 MForm 4 → | Aug 18, 4:30 pm EDT | Ambiq Micro, Inc.AMBQ | 13,500 | $8.12 | $109,620 | 464,689 | — | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 MForm 4 → | Sep 15, 6:56 pm EDT | Ambiq Micro, Inc.AMBQ | 63,500 | — | — | 58,507 | — | 10b5-1 |
| Aug 31, 2026 MForm 4 → | Sep 2, 4:47 pm EDT | Ambiq Micro, Inc.AMBQ | 117,771 | — | — | 19,007 | — | 10b5-1 |
| Aug 14, 2026 MForm 4 → | Aug 18, 4:30 pm EDT | Ambiq Micro, Inc.AMBQ | 13,500 | — | — | 85,507 | — | 10b5-1 |