Ambiq Micro, Inc. (AMBQ) · INSIDERData sourcesSEC Form 41h ago
House PTR1h ago
SEC 13F1h ago
Robinhood Chain1h ago
Public companyAmbiq Micro, Inc.
AMBQCIK 0001500412
Price$38.56
1 year+35.7%
Disclosed transactions60
Buys / sells0 / 41
Max Insider Score30
Connections with evidence8
AMBQ · disclosed activity on price
| Score | Actor | Security | Side | Value | Executed | Disclosed | Lag | Source | Evidence |
|---|
| 11 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $189K 3,700 sh | Oct 15, 2026 |
| Oct 16, 2026 traded Oct 15, 2026 |
| 11 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $62K 1,200 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 8 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $25K 500 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 11 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $143K 2,800 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 11 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $105K 2,000 sh | Oct 14, 2026 | Oct 16, 2026 traded Oct 14, 2026 | +2d | SEC Form 4 | |
| 0 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 5,000 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 0 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $41K 5,000 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 8 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $11K 200 sh | Oct 14, 2026 | Oct 16, 2026 traded Oct 14, 2026 | +2d | SEC Form 4 | |
| 0 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $57K 7,000 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 0 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $122K 15.0K sh | Oct 14, 2026 | Oct 16, 2026 traded Oct 14, 2026 | +2d | SEC Form 4 | |
| 8 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $45K 900 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 0 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 7,000 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 11 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $65K 1,261 sh | Oct 14, 2026 | Oct 16, 2026 traded Oct 14, 2026 | +2d | SEC Form 4 | |
| 11 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $214K 4,000 sh | Oct 14, 2026 | Oct 16, 2026 traded Oct 14, 2026 | +2d | SEC Form 4 | |
| 11 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $93K 1,800 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 0 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 15.0K sh | Oct 14, 2026 | Oct 16, 2026 traded Oct 14, 2026 | +2d | SEC Form 4 | |
| 18 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $378K 7,539 sh | Oct 14, 2026 | Oct 16, 2026 traded Oct 14, 2026 | +2d | SEC Form 4 | |
| 8 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $29K 600 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 8 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $25K 500 sh | Oct 15, 2026 | Oct 16, 2026 traded Oct 15, 2026 | +1d | SEC Form 4 | |
| 8 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $22K 302 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 30 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $599K 8,585 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 27 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $62K 862 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 8 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $6,951 100 sh | Oct 5, 2026 | Oct 6, 2026 traded Oct 5, 2026 | +1d | SEC Form 4 | |
| 11 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $172K 2,492 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 11 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $121K 1,797 sh | Oct 5, 2026 | Oct 6, 2026 traded Oct 5, 2026 | +1d | SEC Form 4 | |
| 30 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $314K 4,500 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 11 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $210K 3,008 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 30 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $492K 7,113 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 11 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $54K 800 sh | Oct 5, 2026 | Oct 6, 2026 traded Oct 5, 2026 | +1d | SEC Form 4 | |
| 30 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $258K 3,728 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 24 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $32K 452 sh | Oct 2, 2026 | Oct 6, 2026 traded Oct 2, 2026 | +4d | SEC Form 4 | |
| 14 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $366K 5,508 sh | Oct 5, 2026 | Oct 6, 2026 traded Oct 5, 2026 | +1d | SEC Form 4 | |
| 11 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $116K 1,953 sh | Sep 15, 2026 | Sep 17, 2026 traded Sep 15, 2026 | +2d | SEC Form 4 | |
| 14 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $300K 4,947 sh | Sep 15, 2026 | Sep 17, 2026 traded Sep 15, 2026 | +2d | SEC Form 4 | |
| 8 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $6,100 100 sh | Sep 15, 2026 | Sep 17, 2026 traded Sep 15, 2026 | +2d | SEC Form 4 | |
| 0 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 7,000 sh | Sep 15, 2026 | Sep 17, 2026 traded Sep 15, 2026 | +2d | SEC Form 4 | |
| 0 | HMHanson Scott McLeanDirector, Chief Technology Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $57K 7,000 sh | Sep 15, 2026 | Sep 17, 2026 traded Sep 15, 2026 | +2d | SEC Form 4 | |
| 0 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 31.0K sh | Sep 11, 2026 | Sep 15, 2026 traded Sep 11, 2026 | +4d | SEC Form 4 | |
| 2 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $630K 50.0K sh | Sep 11, 2026 | Sep 15, 2026 traded Sep 11, 2026 | +4d | SEC Form 4 | |
| 2 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $122K 15.0K sh | Sep 14, 2026 | Sep 15, 2026 traded Sep 14, 2026 | +1d | SEC Form 4 | |
| 11 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $225K 3,785 sh | Sep 15, 2026 | Sep 15, 2026 traded Sep 15, 2026 | +0d | SEC Form 4 | |
| 8 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $6,100 100 sh | Sep 15, 2026 | Sep 15, 2026 traded Sep 15, 2026 | +0d | SEC Form 4 | |
| 21 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $663K 11.0K sh | Sep 14, 2026 | Sep 15, 2026 traded Sep 14, 2026 | +1d | SEC Form 4 | |
| 0 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 19.0K sh | Sep 11, 2026 | Sep 15, 2026 traded Sep 11, 2026 | +4d | SEC Form 4 | |
| 14 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $85K 1,400 sh | Sep 14, 2026 | Sep 15, 2026 traded Sep 14, 2026 | +1d | SEC Form 4 | |
| 0 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 13.5K sh | Sep 15, 2026 | Sep 15, 2026 traded Sep 15, 2026 | +0d | SEC Form 4 | |
| 0 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $110K 13.5K sh | Sep 15, 2026 | Sep 15, 2026 traded Sep 15, 2026 | +0d | SEC Form 4 | |
| 0 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 15.0K sh | Sep 14, 2026 | Sep 15, 2026 traded Sep 14, 2026 | +1d | SEC Form 4 | |
| 14 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $154K 2,600 sh | Sep 14, 2026 | Sep 15, 2026 traded Sep 14, 2026 | +1d | SEC Form 4 | |
| 14 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $506K 7,917 sh | Sep 11, 2026 | Sep 15, 2026 traded Sep 11, 2026 | +4d | SEC Form 4 | |
| 14 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $582K 9,615 sh | Sep 15, 2026 | Sep 15, 2026 traded Sep 15, 2026 | +0d | SEC Form 4 | |
| 21 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $2.66M 42.1K sh | Sep 11, 2026 | Sep 15, 2026 traded Sep 11, 2026 | +4d | SEC Form 4 | |
| 27 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $735K 12.9K sh | Sep 4, 2026 | Sep 9, 2026 traded Sep 4, 2026 | +5d | SEC Form 4 | |
| 8 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $122K 15.0K sh | Sep 4, 2026 | Sep 9, 2026 traded Sep 4, 2026 | +5d | SEC Form 4 | |
| 20 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $123K 2,126 sh | Sep 4, 2026 | Sep 9, 2026 traded Sep 4, 2026 | +5d | SEC Form 4 | |
| 5 | CCChen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 15.0K sh | Sep 4, 2026 | Sep 9, 2026 traded Sep 4, 2026 | +5d | SEC Form 4 | |
| 21 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $2.76M 49.0K sh | Sep 1, 2026 | Sep 2, 2026 traded Sep 1, 2026 | +1d | SEC Form 4 | |
| 4 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 11.0K sh | Sep 2, 2026 | Sep 2, 2026 traded Sep 2, 2026 | +0d | SEC Form 4 | |
| 17 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $327K 5,600 sh | Aug 31, 2026 | Sep 2, 2026 traded Aug 31, 2026 | +2d | SEC Form 4 | |
| 3 | EFEsaka FumihideDirector, Chief Executive Officer | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 13.5K sh | Aug 31, 2026 | Sep 2, 2026 traded Aug 31, 2026 | +2d | SEC Form 4 | |
President and COO · Mar 10, 2026