As of May 30, 2026, Ambiq Micro's top three insider holders are Xvi Associates, Llc Kpcb (TenPercentOwner, 2.66Mn shares), Wen Hsuan Hsieh (Director, 633.92K shares), Fumihide Esaka (Chief Executive Officer, 391.19K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Ker Zhang | - | 23,809 | 0 | 31 Jul, 2025 |
| Jeffrey G Winzeler | Chief Financial Officer | 94,395 | 0 | 02 Apr, 2026 |
| Joseph A Tautges | - | 48,746 | 0 | 28 Jan, 2026 |
| Xvi Associates, Llc Kpcb | - | 0 | 2,661,028 | 31 Jul, 2025 |
| Timothy Chen | - | 47,618 | 0 | 31 Jul, 2025 |
| Wen Hsuan Hsieh | - | 0 | 633,920 | 20 Feb, 2026 |
| Scott Mclean Hanson | Chief Technology Officer | 203,126 | 0 | 02 Apr, 2026 |
| Fumihide Esaka | Chief Executive Officer | 391,189 | 0 | 02 Apr, 2026 |
| Sean Chihhsiang Chen | President And Coo | 120,275 | 0 | 02 Apr, 2026 |
| Michele Kim Connors | General Counsel | 60,554 | 0 | 06 Apr, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Apr, 2026 | Michele Kim Connors | Common Stock | D | 660 | $26.04 | 60,705 | D | S |
| 02 Apr, 2026 | Michele Kim Connors | Common Stock | D | 660 | $26.04 | 60,705 | D | S |
| 02 Apr, 2026 | Michele Kim Connors | Common Stock | D | 151 | $26.65 | 60,554 | D | S |
| 02 Apr, 2026 | Michele Kim Connors | Common Stock | D | 151 | $26.65 | 60,554 | D | S |
| 06 Mar, 2026 | Michele Kim Connors | Common Stock | A | 32,123 | $0.00 | 61,365 | D | A |
| 06 Mar, 2026 | Sean Chihhsiang Chen | Common Stock | A | 64,246 | $0.00 | 120,275 | D | A |
| 06 Mar, 2026 | Fumihide Esaka | Common Stock | A | 160,616 | $0.00 | 391,189 | D | A |
| 06 Mar, 2026 | Michele Kim Connors | Common Stock | A | 32,123 | $0.00 | 61,365 | D | A |
| 06 Mar, 2026 | Scott Mclean Hanson | Common Stock | A | 80,308 | $0.00 | 203,126 | D | A |
| 06 Mar, 2026 | Jeffrey G Winzeler | Common Stock | A | 41,728 | $0.00 | 94,395 | D | A |
| 06 Mar, 2026 | Michele Kim Connors | Common Stock | A | 32,123 | $0.00 | 61,365 | D | A |
| 06 Mar, 2026 | Fumihide Esaka | Common Stock | A | 160,616 | $0.00 | 391,189 | D | A |
| 06 Mar, 2026 | Scott Mclean Hanson | Common Stock | A | 80,308 | $0.00 | 203,126 | D | A |
| 06 Mar, 2026 | Scott Mclean Hanson | Common Stock | A | 80,308 | $0.00 | 203,126 | D | A |
| 06 Mar, 2026 | Jeffrey G Winzeler | Common Stock | A | 41,728 | $0.00 | 94,395 | D | A |
| 06 Mar, 2026 | Sean Chihhsiang Chen | Common Stock | A | 64,246 | $0.00 | 120,275 | D | A |
| 06 Mar, 2026 | Sean Chihhsiang Chen | Common Stock | A | 64,246 | $0.00 | 120,275 | D | A |
| 06 Mar, 2026 | Jeffrey G Winzeler | Common Stock | A | 41,728 | $0.00 | 94,395 | D | A |
| 06 Mar, 2026 | Fumihide Esaka | Common Stock | A | 160,616 | $0.00 | 391,189 | D | A |
| 06 Mar, 2026 | Michele Kim Connors | Common Stock | A | 32,123 | $0.00 | 61,365 | D | A |