Congress trades and big insider sales, sent the day they're filed. Free.
Open in TelegramPresident and COOCIK 0002078559
| Score | Actor | Security | Side | Value | Disclosed | Evidence |
|---|---|---|---|---|---|---|
| 8 | Chen Sean ChihhsiangPresident and COO |  AMBQAmbiq Micro, Inc.Open-market sale · 10b5-1 plan | SELL | $11K 200 sh | Oct 16, 2026 traded Oct 14, 2026 | |
Chen Sean ChihhsiangPresident and COO |
| AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan |
| SELL |
| $105K 2,000 sh |
| Oct 16, 2026 traded Oct 14, 2026 |
| 11 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $65K 1,261 sh | Oct 16, 2026 traded Oct 14, 2026 |
| 11 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $214K 4,000 sh | Oct 16, 2026 traded Oct 14, 2026 |
| 18 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $378K 7,539 sh | Oct 16, 2026 traded Oct 14, 2026 |
| 0 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 15.0K sh | Oct 16, 2026 traded Oct 14, 2026 |
| 0 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $122K 15.0K sh | Oct 16, 2026 traded Oct 14, 2026 |
| 11 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $54K 800 sh | Oct 6, 2026 traded Oct 5, 2026 |
| 11 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $172K 2,492 sh | Oct 6, 2026 traded Oct 2, 2026 |
| 11 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $121K 1,797 sh | Oct 6, 2026 traded Oct 5, 2026 |
| 8 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $22K 302 sh | Oct 6, 2026 traded Oct 2, 2026 |
| 14 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $366K 5,508 sh | Oct 6, 2026 traded Oct 5, 2026 |
| 8 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $6,951 100 sh | Oct 6, 2026 traded Oct 5, 2026 |
| 11 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $210K 3,008 sh | Oct 6, 2026 traded Oct 2, 2026 |
| 2 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $122K 15.0K sh | Sep 15, 2026 traded Sep 14, 2026 |
| 21 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $663K 11.0K sh | Sep 15, 2026 traded Sep 14, 2026 |
| 14 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $85K 1,400 sh | Sep 15, 2026 traded Sep 14, 2026 |
| 0 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 15.0K sh | Sep 15, 2026 traded Sep 14, 2026 |
| 14 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $154K 2,600 sh | Sep 15, 2026 traded Sep 14, 2026 |
| 8 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | $122K 15.0K sh | Sep 9, 2026 traded Sep 4, 2026 |
| 5 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise · 10b5-1 plan | M | — 15.0K sh | Sep 9, 2026 traded Sep 4, 2026 |
| 20 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $123K 2,126 sh | Sep 9, 2026 traded Sep 4, 2026 |
| 27 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale · 10b5-1 plan | SELL | $735K 12.9K sh | Sep 9, 2026 traded Sep 4, 2026 |
| 9 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise | M | — 55.7K sh | May 18, 2026 traded May 15, 2026 |
| 49 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $2.28M 32.4K sh | May 18, 2026 traded May 15, 2026 |
| 23 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Option exercise | M | $327K 55.7K sh | May 18, 2026 traded May 15, 2026 |
| 49 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Open-market sale | SELL | $1.67M 23.3K sh | May 18, 2026 traded May 15, 2026 |
| 21 | Chen Sean ChihhsiangPresident and COO | AMBQAmbiq Micro, Inc. Grant or award | A | — 64.2K sh | Mar 10, 2026 traded Mar 6, 2026 |