Ambiq Micro, Inc. · NYSE:AMBQ
Esaka Fumihide sold 108,500 Ambiq Micro, Inc. shares (Form 4)
Traded Aug 31 to Sep 2, 2026 · Filed Sep 2, 2026
From Aug 31 to Sep 2, 2026, Esaka Fumihide (Director, Chief Executive Officer) sold 108,500 Ambiq Micro, Inc. shares at an average US$56.89 for US$6.17M under a trading plan, leaving 460,460 shares. Filed Sep 2, 2026 (Form 4).
- Sold
- 108,500 shares
- Price
- US$56.89 average (US$56.15 to US$58.52)
- Value
- US$6.17M
- Holding after
- 460,460 shares
- Trading plan
- Yes (Made under a plan set in advance)
- Role
- Director, Chief Executive Officer
The filing in full
| Date | Security | Transaction | Shares | Price | Holding after | Ownership |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Common Stock | Option exercise | 13,500 | US$8.12 | 464,689 | Direct |
| Aug 31, 2026 | Common Stock | Sale | 5,899 | US$56.87 | 458,790 | Direct |
| Aug 31, 2026 | Common Stock | Sale | 5,501 | US$57.75 | 453,289 | Direct |
| Aug 31, 2026 | Common Stock | Sale | 2,100 | US$58.52 | 451,189 | Direct |
| Aug 31, 2026 | Common Stock | Option exercise | 44,271 | US$12.60 | 495,460 | Direct |
| Aug 31, 2026 | Common Stock | Sale | 15,600 | US$56.81 | 479,860 | Direct |
| Aug 31, 2026 | Common Stock | Sale | 13,800 | US$57.70 | 466,060 | Direct |
| Aug 31, 2026 | Common Stock | Sale | 5,600 | US$58.46 | 460,460 | Direct |
| Sep 1, 2026 | Common Stock | Option exercise | 48,973 | US$12.60 | 509,433 | Direct |
| Sep 1, 2026 | Common Stock | Sale | 48,973 | US$56.39 | 460,460 | Direct |
| Sep 2, 2026 | Common Stock | Option exercise | 11,027 | US$12.60 | 471,487 | Direct |
| Sep 2, 2026 | Common Stock | Sale | 1,452 | US$56.15 | 470,035 | Direct |
| Sep 2, 2026 | Common Stock | Sale | 9,575 | US$56.77 | 460,460 | Direct |
Source
Related
- Ambiq Micro, Inc.
- Esaka Fumihide
- Ambiq Micro, Inc. shareholders
- Form 4 · Esaka Fumihide · Oct 16, 2026
- Form 4 · Esaka Fumihide · Oct 6, 2026
- Form 4 · Esaka Fumihide · Sep 15, 2026
- Form 4 · Esaka Fumihide · Aug 18, 2026
- Form 4 · Esaka Fumihide · May 18, 2026
- Form 4 · Hanson Scott McLean · Oct 16, 2026
- Form 4 · Chen Sean Chihhsiang · Oct 16, 2026
- Form 4 · Chen Sean Chihhsiang · Oct 6, 2026
- Form 4 · Hanson Scott McLean · Oct 6, 2026
- Form 4 · Winzeler Jeffrey G · Oct 6, 2026