Ambiq Micro, Inc.
AMBQ
44 insider filings · Latest: Oct 15, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 15, 2026 | Oct 16 8:53 PM | Scott Mclean HansonDirector, Chief Technology Officer | Sale | 7,000 | $51.00 | $357.0K | 212,546(D) | View → |
| Oct 15, 2026 | Oct 16 8:52 PM | Fumihide EsakaDirector, Chief Executive Officer | Sale | 5,000 | $51.00 | $255.0K | 443,900(D) | View → |
| Oct 14, 2026 | Oct 16 8:51 PM | Sean Chihhsiang ChenPresident and COO | Sale | 15,000 | $51.50 | $772.4K | 106,268(D) | View → |
| Oct 2, 2026 | Oct 7 12:16 AM | Jeffrey G WinzelerChief Financial Officer | Sale | 5,455 | $69.60 | $379.6K | 100,844(D) | View → |
| Oct 2, 2026 | Oct 6 10:53 PM | Fumihide EsakaDirector, Chief Executive Officer | Sale | 16,560 | $69.60 | $1.2M | 443,900(D) | View → |
| Oct 2, 2026 | Oct 6 10:49 PM | Scott Mclean HansonDirector, Chief Technology Officer | Sale | 8,680 | $69.60 | $604.1K | 212,546(D) | View → |
| Oct 5, 2026 | Oct 6 10:45 PM | Sean Chihhsiang ChenPresident and COO | Sale | 8,205 | $66.78 | $548.0K | 106,268(D) | View → |
| Oct 2, 2026 | Oct 6 10:45 PM | Sean Chihhsiang ChenPresident and COO | Sale | 5,802 | $69.60 | $403.8K | 114,473(D) | View → |
| Oct 5, 2026 | Oct 5 8:45 PM | SEAN CHEN | Proposed Sale | 53,205 | $68.18 | $3.6M | — | View → |
| Oct 2, 2026 | Oct 2 8:16 PM | Jeffrey G. Winzeler | Proposed Sale | 5,455 | $69.15 | $377.2K | — | View → |
| Oct 2, 2026 | Oct 2 8:11 PM | Scott McLean Hanson | Proposed Sale | 8,680 | $69.15 | $600.2K | — | View → |
| Oct 2, 2026 | Oct 2 8:07 PM | Fumihide Esaka | Proposed Sale | 16,560 | $69.15 | $1.1M | — | View → |
| Oct 2, 2026 | Oct 2 8:04 PM | Sean Chihhsiang Chen | Proposed Sale | 5,802 | $69.15 | $401.2K | — | View → |
| Sep 15, 2026 | Sep 17 8:06 PM | Scott Mclean HansonDirector, Chief Technology Officer | Sale | 7,000 | $60.28 | $421.9K | 221,226(D) | View → |
| Sep 11, 2026 | Sep 15 10:58 PM | Ker ZhangDirector | Sale | 10,000 | $63.44 | $634.4K | 20,366(D) | View → |
| Sep 14, 2026 | Sep 15 10:57 PM | Sean Chihhsiang ChenPresident and COO | Sale | 15,000 | $60.14 | $902.1K | 120,275(D) | View → |
| Sep 15, 2026 | Sep 15 10:56 PM | Fumihide EsakaDirector, Chief Executive Officer | Sale | 13,500 | $60.28 | $813.7K | 460,460(D) | View → |
| Sep 11, 2026 | Sep 15 10:56 PM | Fumihide EsakaDirector, Chief Executive Officer | Sale | 50,000 | $63.36 | $3.2M | 460,460(D) | View → |
| Sep 11, 2026 | Sep 11 8:15 PM | KER ZHANG | Proposed Sale | 10,000 | $63.44 | $634.4K | — | View → |
| Sep 11, 2026 | Sep 11 8:11 PM | FUMIHIDE ESAKA | Proposed Sale | 50,000 | $63.36 | $3.2M | — | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 15, 2026 | May 18 9:59 PM | Scott Mclean HansonDirector, Chief Technology Officer | Option Exercise | 8,100 | $8.12 | 69,279(D) | View → |
| May 14, 2026 | May 18 9:59 PM | Scott Mclean HansonDirector, Chief Technology Officer | Option Exercise | 10,200 | $8.12 | 77,379(D) | View → |
| May 15, 2026 | May 18 9:48 PM | Sean Chihhsiang ChenPresident and COO | Option Exercise | 55,685 | $5.88 | 1(D) | View → |
| May 15, 2026 | May 18 9:44 PM | Fumihide EsakaDirector, Chief Executive Officer | Option Exercise | 60,000 | $12.60 | 184,543(D) | View → |
| May 14, 2026 | May 18 9:44 PM | Fumihide EsakaDirector, Chief Executive Officer | Option Exercise | 60,000 | $8.12 | 144,470(D) | View → |
| Feb 18, 2026 | Feb 20 10:47 PM | Wen Hsuan HsiehDirector | Option Exercise | 238,931 | $12.60 | 0(I) | View → |
| Oct 7, 2025 | Feb 11 1:08 AM | Fumihide EsakaDirector, Chief Executive Officer | Option Exercise | 53,660 | $5.88 | 0(D) | View → |
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