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 |
|---|---|---|---|---|---|---|---|---|
| May 14, 2026 | May 18 10:12 PM | Jeffrey G WinzelerChief Financial Officer | Sale | 26,000 | $69.90 | $1.8M | 94,395(D) | View → |
| May 14, 2026 | May 18 9:59 PM | Scott Mclean HansonDirector, Chief Technology Officer | Sale | 10,200 | $69.24 | $706.3K | 203,126(D) | View → |
| May 15, 2026 | May 18 9:48 PM | Sean Chihhsiang ChenPresident and COO | Sale | 55,685 | $70.89 | $3.9M | 120,275(D) | View → |
| May 14, 2026 | May 18 9:44 PM | Fumihide EsakaDirector, Chief Executive Officer | Sale | 60,000 | $70.02 | $4.2M | 391,189(D) | View → |
| May 15, 2026 | May 15 8:13 PM | SEAN CHEN | Proposed Sale | 55,685 | $70.89 | $3.9M | — | View → |
| May 14, 2026 | May 14 8:13 PM | JEFF G WINZELER | Proposed Sale | 26,000 | $69.90 | $1.8M | — | View → |
| May 14, 2026 | May 14 8:11 PM | SCOTT HANSON | Proposed Sale | 10,200 | $69.24 | $706.3K | — | View → |
| May 14, 2026 | May 14 8:09 PM | FUMIHIDE ESAKA | Proposed Sale | 60,000 | $70.02 | $4.2M | — | View → |
| Apr 2, 2026 | Apr 6 9:01 PM | Michele Kim ConnorsGeneral Counsel | Sale | 811 | $26.15 | $21.2K | 60,554(D) | View → |
| Jan 26, 2026 | Jan 28 11:15 PM | Joseph A TautgesDirector | Sale | 7,800 | $31.00 | $241.8K | 48,746(D) | View → |
| Jan 26, 2026 | Jan 28 11:12 PM | Scott Mclean HansonDirector, Chief Technology Officer | Sale | 10,000 | $31.00 | $310.0K | 122,818(D) | 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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