AMBQ · Ambiq Micro Inc. Common Stock
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| KPCB XVI Associates, LLC | ▼ Sell | Other | 1,488,949 Shares held | 7/31/2025 | View profile |
| Esaka Fumihide Chief Executive Officer | ▼ Sell | Open Market | 443,900 Shares held | 10/2/2026 | View profile |
| Hanson Scott McLean Chief Technology Officer | ▼ Sell | Open Market | 212,546 Shares held | 10/2/2026 | View profile |
| Chen Sean Chihhsiang President and COO | ▼ Sell | Open Market | 106,268 Shares held | 10/5/2026 | View profile |
| Winzeler Jeffrey G Chief Financial Officer | ▼ Sell | Open Market | 100,844 Shares held | 10/2/2026 | View profile |
| Connors Michele Kim General Counsel | ▼ Sell | Open Market | 60,554 Shares held | 4/2/2026 | View profile |
| TAUTGES JOSEPH A | ▲ Buy | Grant | 53,703 Shares held | 6/8/2026 | View profile |
| Chen Timothy | ▲ Buy | Grant | 52,575 Shares held | 6/8/2026 | View profile |
| ZHANG KER | ▼ Sell | Open Market | 20,366 Shares held | 9/11/2026 | View profile |
| HSIEH Wen Hsuan Director | ▲ Buy | Grant | 4,957 Shares held | 6/8/2026 | View profile |
| Banks Bernard Bennett | ▲ Buy | Grant | 4,957 Shares held | 6/8/2026 | View profile |
Transaction History
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 5,508 | $366K | 10/5/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 1,797 | $121K | 10/5/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 800 | $54K | 10/5/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 100 | $7K | 10/5/2026 |
| Winzeler Jeffrey G | ▼ Sell | Open Market | 2,343 | $162K | 10/2/2026 |
| Winzeler Jeffrey G | ▼ Sell | Open Market | 2,828 | $197K | 10/2/2026 |
| Winzeler Jeffrey G | ▼ Sell | Open Market | 284 | $20K | 10/2/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 7,113 | $492K | 10/2/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 8,585 | $599K | 10/2/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 862 | $62K | 10/2/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 3,728 | $258K | 10/2/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 4,500 | $314K | 10/2/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 452 | $32K | 10/2/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 2,492 | $172K | 10/2/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 3,008 | $210K | 10/2/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 302 | $22K | 10/2/2026 |
| Hanson Scott McLean | ▲ Buy | Option Exercise | 7,000 | $57K | 9/15/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 1,953 | $116K | 9/15/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 4,947 | $300K | 9/15/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 100 | $6K | 9/15/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 13,500 | $110K | 9/15/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 3,785 | $225K | 9/15/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 9,615 | $582K | 9/15/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 100 | $6K | 9/15/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 2,600 | $154K | 9/14/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 11,000 | $663K | 9/14/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 1,400 | $85K | 9/14/2026 |
| Chen Sean Chihhsiang | ▲ Buy | Option Exercise | 15,000 | $122K | 9/14/2026 |
| ZHANG KER | ▼ Sell | Open Market | 9,100 | $577K | 9/11/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 50,000 | $630K | 9/11/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 42,083 | $2.7M | 9/11/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 7,917 | $506K | 9/11/2026 |
| ZHANG KER | ▼ Sell | Open Market | 900 | $58K | 9/11/2026 |
| Chen Sean Chihhsiang | ▲ Buy | Option Exercise | 15,000 | $122K | 9/4/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 12,874 | $735K | 9/4/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 2,126 | $123K | 9/4/2026 |
| ZHANG KER | ▲ Buy | Option Exercise | 1,785 | $10K | 9/4/2026 |
| ZHANG KER | ▼ Sell | Open Market | 185 | $11K | 9/4/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 11,027 | $139K | 9/2/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 1,452 | $82K | 9/2/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 9,575 | $544K | 9/2/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 48,973 | $617K | 9/1/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 48,973 | $2.8M | 9/1/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 2,100 | $123K | 8/31/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 44,271 | $558K | 8/31/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 15,600 | $886K | 8/31/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 13,800 | $796K | 8/31/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 5,600 | $327K | 8/31/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 13,500 | $110K | 8/31/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 5,899 | $335K | 8/31/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 5,501 | $318K | 8/31/2026 |
| Hanson Scott McLean | ▲ Buy | Option Exercise | 27,500 | $223K | 8/27/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 22,590 | $1.3M | 8/27/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 4,910 | $296K | 8/27/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 27,500 | $1.6M | 8/26/2026 |
| Hanson Scott McLean | ▲ Buy | Option Exercise | 10,000 | $81K | 8/26/2026 |
| Hanson Scott McLean | ▲ Buy | Option Exercise | 27,500 | $223K | 8/26/2026 |
| Hanson Scott McLean | ▲ Buy | Option Exercise | 7,000 | $57K | 8/14/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 800 | $51K | 8/14/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 5,400 | $348K | 8/14/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 800 | $52K | 8/14/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 13,500 | $110K | 8/14/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 1,282 | $81K | 8/14/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 10,718 | $690K | 8/14/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 1,500 | $98K | 8/14/2026 |
| HSIEH Wen Hsuan | ▲ Buy | Grant | 4,957 | $0 | 6/8/2026 |
| ZHANG KER | ▲ Buy | Grant | 4,957 | $0 | 6/8/2026 |
| Banks Bernard Bennett | ▲ Buy | Grant | 4,957 | $0 | 6/8/2026 |
| TAUTGES JOSEPH A | ▲ Buy | Grant | 4,957 | $0 | 6/8/2026 |
| Chen Timothy | ▲ Buy | Grant | 4,957 | $0 | 6/8/2026 |
| Winzeler Jeffrey G | ▲ Buy | Option Exercise | 5,952 | $100K | 6/2/2026 |
| Chen Timothy | ▼ Sell | Open Market | 22,414 | $1.8M | 5/27/2026 |
| Chen Timothy | ▼ Sell | Open Market | 20,666 | $1.7M | 5/27/2026 |
| Chen Timothy | ▼ Sell | Open Market | 3,264 | $266K | 5/27/2026 |
| Chen Timothy | ▼ Sell | Open Market | 24,248 | $1.9M | 5/27/2026 |
| Winzeler Jeffrey G | ▲ Buy | Option Exercise | 5,952 | $100K | 5/15/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 32,351 | $2.3M | 5/15/2026 |
| Chen Sean Chihhsiang | ▼ Sell | Open Market | 23,334 | $1.7M | 5/15/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 45,463 | $369K | 5/15/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 14,537 | $183K | 5/15/2026 |
| Hanson Scott McLean | ▲ Buy | Option Exercise | 8,100 | $66K | 5/15/2026 |
| Chen Sean Chihhsiang | ▲ Buy | Option Exercise | 55,685 | $327K | 5/15/2026 |
| Winzeler Jeffrey G | ▼ Sell | Open Market | 25,918 | $1.8M | 5/14/2026 |
| Winzeler Jeffrey G | ▼ Sell | Open Market | 82 | $6K | 5/14/2026 |
| Hanson Scott McLean | ▲ Buy | Option Exercise | 10,200 | $83K | 5/14/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 3,900 | $268K | 5/14/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 6,100 | $425K | 5/14/2026 |
| Esaka Fumihide | ▼ Sell | Open Market | 60,000 | $4.2M | 5/14/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 200 | $14K | 5/14/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 60,000 | $487K | 5/14/2026 |
| Winzeler Jeffrey G | ▲ Buy | Option Exercise | 26,000 | $437K | 5/14/2026 |
| Connors Michele Kim | ▼ Sell | Open Market | 151 | $4K | 4/2/2026 |
| Connors Michele Kim | ▼ Sell | Open Market | 660 | $17K | 4/2/2026 |
| Hanson Scott McLean | ▲ Buy | Grant | 80,308 | $0 | 3/6/2026 |
| Chen Sean Chihhsiang | ▲ Buy | Grant | 64,246 | $0 | 3/6/2026 |
| Connors Michele Kim | ▲ Buy | Grant | 32,123 | $0 | 3/6/2026 |
| Esaka Fumihide | ▲ Buy | Grant | 160,616 | $0 | 3/6/2026 |
| Winzeler Jeffrey G | ▲ Buy | Grant | 41,728 | $0 | 3/6/2026 |
| HSIEH Wen Hsuan | ▲ Buy | Option Exercise | 238,931 | $3.0M | 2/18/2026 |
| TAUTGES JOSEPH A | ▼ Sell | Open Market | 7,800 | $242K | 1/26/2026 |
| Hanson Scott McLean | ▼ Sell | Open Market | 10,000 | $310K | 1/26/2026 |
| Connors Michele Kim | ▲ Buy | Grant | 23,759 | $0 | 1/5/2026 |
| Connors Michele Kim | ▲ Buy | Grant | 5,483 | $0 | 1/5/2026 |
| Esaka Fumihide | ▲ Buy | Option Exercise | 53,660 | $316K | 10/7/2025 |
| Chen Sean Chihhsiang | ▲ Buy | Grant | 56,029 | $0 | 10/2/2025 |
| Esaka Fumihide | ▲ Buy | Grant | 159,907 | $0 | 10/2/2025 |
| Winzeler Jeffrey G | ▲ Buy | Grant | 52,667 | $0 | 10/2/2025 |
| Hanson Scott McLean | ▲ Buy | Grant | 83,819 | $0 | 10/2/2025 |
| KPCB XVI Associates, LLC | ▼ Sell | Other | 194,618 | — | 7/31/2025 |
| HSIEH Wen Hsuan | ▼ Sell | Other | 394,989 | — | 7/31/2025 |
| KPCB XVI Associates, LLC | ▼ Sell | Other | 23,294 | — | 7/31/2025 |
| KPCB XVI Associates, LLC | ▼ Sell | Other | 748,046 | — | 7/31/2025 |
| KPCB XVI Associates, LLC | ▼ Sell | Other | 98,958 | — | 7/31/2025 |
| ZHANG KER | ▲ Buy | Grant | 23,809 | $0 | 7/29/2025 |
| Chen Timothy | ▲ Buy | Grant | 47,618 | $0 | 7/29/2025 |
| TAUTGES JOSEPH A | ▲ Buy | Grant | 56,546 | $0 | 7/29/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 25, 2026
AMBQ: No Direct Company News, but Semiconductor Sector Gains
There is no recent announcement specifically about Ambiq Micro. The latest headlines focus on Fortinet's performance, Solana's ranking, and a general rise in semiconductor shares amid potential chip shortages. These stories reflect broader market sentiment for the sector, which could influence Ambiq Micro's stock as a chip maker. The company remains within its 52‑week range and is trading near the middle of its support level.
AMBQ: No Direct Company News, but Semiconductor Sector Gains. There is no recent announcement specifically about Ambiq Micro. The latest headlines focus on Fortinet's performance, Solana's ranking, and a general rise in semiconductor shares amid potential chip shortages. These stories reflect broader market sentiment for the sector, which could influence Ambiq Micro's stock as a chip maker. The company remains within its 52‑week range and is trading near the middle of its support level.