Ambiq Micro, Inc. (AMBQ)
NYSE · Semiconductors & Related Devices · Inc. DE
What they're doing
Between 2026-08-02 and 2026-10-31, public records show 4 signals for Ambiq Micro, Inc.. Most notable: 2026-09-01: Esaka Fumihide (director) sold $2.8M of stock; 2026-09-11: Esaka Fumihide (director) sold $2.7M of stock; 2026-08-26: Hanson Scott McLean (director) sold $1.6M of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-10-31 from public records.
Signals, last 12 months
- Large insider saleEsaka Fumihide (director) sold $2.7M of stock
- Large insider saleEsaka Fumihide (director) sold $2.8M of stock
- Large insider saleHanson Scott McLean (director) sold $1.3M of stock
- Large insider saleHanson Scott McLean (director) sold $1.6M of stock
- Large insider saleChen Timothy (director) sold $1.7M of stock
- Large insider saleChen Timothy (director) sold $1.9M of stock
- Large insider saleChen Timothy (director) sold $1.8M of stock
- Large insider saleChen Sean Chihhsiang (officer) sold $2.3M of stock
- Large insider saleChen Sean Chihhsiang (officer) sold $1.7M of stock
- Large insider saleEsaka Fumihide (director) sold $4.2M of stock
- Large insider saleEsaka Fumihide (director) sold $4.2M of stock
- Large insider saleWinzeler Jeffrey G (officer) sold $1.8M of stock
- Large insider saleWinzeler Jeffrey G (officer) sold $1.8M of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-15 | Esaka Fumihide | director | S | 1,200 | 51.85 | $62,226 |
| 2026-10-15 | Esaka Fumihide | director | S | 2,800 | 51.15 | $143,214 |
| 2026-10-15 | Esaka Fumihide | director | S | 500 | 50.02 | $25,011 |
| 2026-10-15 | Esaka Fumihide | director | S | 500 | 49.13 | $24,567 |
| 2026-10-15 | Esaka Fumihide | director | M | 5,000 | 8.12 | $40,600 |
| 2026-10-15 | Hanson Scott McLean | director | S | 1,800 | 51.86 | $93,351 |
| 2026-10-15 | Hanson Scott McLean | director | S | 3,700 | 51.12 | $189,148 |
| 2026-10-15 | Hanson Scott McLean | director | S | 900 | 50.08 | $45,074 |
| 2026-10-15 | Hanson Scott McLean | director | S | 600 | 49.06 | $29,436 |
| 2026-10-15 | Hanson Scott McLean | director | M | 7,000 | 8.12 | $56,840 |
| 2026-10-14 | Chen Sean Chihhsiang | officer | S | 200 | 54.27 | $10,854 |
| 2026-10-14 | Chen Sean Chihhsiang | officer | S | 4,000 | 53.44 | $213,745 |
| 2026-10-14 | Chen Sean Chihhsiang | officer | S | 2,000 | 52.47 | $104,936 |
| 2026-10-14 | Chen Sean Chihhsiang | officer | S | 1,261 | 51.53 | $64,980 |
| 2026-10-14 | Chen Sean Chihhsiang | officer | S | 7,539 | 50.13 | $377,923 |
| 2026-10-14 | Chen Sean Chihhsiang | officer | M | 15,000 | 8.12 | $121,800 |
| 2026-10-05 | Chen Sean Chihhsiang | officer | S | 100 | 69.51 | $6,951 |
| 2026-10-05 | Chen Sean Chihhsiang | officer | S | 800 | 68.08 | $54,461 |
| 2026-10-05 | Chen Sean Chihhsiang | officer | S | 1,797 | 67.29 | $120,913 |
| 2026-10-05 | Chen Sean Chihhsiang | officer | S | 5,508 | 66.38 | $365,625 |
| 2026-10-02 | Chen Sean Chihhsiang | officer | S | 302 | 71.86 | $21,701 |
| 2026-10-02 | Chen Sean Chihhsiang | officer | S | 3,008 | 69.77 | $209,875 |
| 2026-10-02 | Chen Sean Chihhsiang | officer | S | 2,492 | 69.11 | $172,218 |
| 2026-10-02 | Hanson Scott McLean | director | S | 452 | 71.86 | $32,480 |
| 2026-10-02 | Hanson Scott McLean | director | S | 4,500 | 69.77 | $313,975 |
| 2026-10-02 | Hanson Scott McLean | director | S | 3,728 | 69.11 | $257,636 |
| 2026-10-02 | Esaka Fumihide | director | S | 862 | 71.86 | $61,943 |
| 2026-10-02 | Esaka Fumihide | director | S | 8,585 | 69.77 | $598,994 |
| 2026-10-02 | Esaka Fumihide | director | S | 7,113 | 69.11 | $491,567 |
| 2026-10-02 | Winzeler Jeffrey G | officer | S | 284 | 71.86 | $20,408 |
| 2026-10-02 | Winzeler Jeffrey G | officer | S | 2,343 | 69.11 | $161,921 |
| 2026-10-02 | Winzeler Jeffrey G | officer | S | 2,828 | 69.77 | $197,316 |
| 2026-09-15 | Esaka Fumihide | director | M | 13,500 | 8.12 | $109,620 |
| 2026-09-15 | Esaka Fumihide | director | S | 3,785 | 59.56 | $225,444 |
| 2026-09-15 | Esaka Fumihide | director | S | 9,615 | 60.55 | $582,171 |
| 2026-09-15 | Esaka Fumihide | director | S | 100 | 61 | $6,100 |
| 2026-09-15 | Hanson Scott McLean | director | M | 7,000 | 8.12 | $56,840 |
| 2026-09-15 | Hanson Scott McLean | director | S | 1,953 | 59.53 | $116,270 |
| 2026-09-15 | Hanson Scott McLean | director | S | 4,947 | 60.56 | $299,573 |
| 2026-09-15 | Hanson Scott McLean | director | S | 100 | 61 | $6,100 |
| 2026-09-14 | Chen Sean Chihhsiang | officer | M | 15,000 | 8.12 | $121,800 |
| 2026-09-14 | Chen Sean Chihhsiang | officer | S | 2,600 | 59.36 | $154,346 |
| 2026-09-14 | Chen Sean Chihhsiang | officer | S | 11,000 | 60.24 | $662,618 |
| 2026-09-14 | Chen Sean Chihhsiang | officer | S | 1,400 | 60.83 | $85,166 |
| 2026-09-11 | ZHANG KER | director | S | 9,100 | 63.39 | $576,809 |
| 2026-09-11 | ZHANG KER | director | S | 900 | 63.95 | $57,552 |
| 2026-09-11 | Esaka Fumihide | director | M | 50,000 | 12.6 | $630,000 |
| 2026-09-11 | Esaka Fumihide | director | S | 42,083 | 63.27 | $2,662,427 |
| 2026-09-11 | Esaka Fumihide | director | S | 7,917 | 63.86 | $505,566 |
| 2026-09-04 | Chen Sean Chihhsiang | officer | M | 15,000 | 8.12 | $121,800 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
No Wikipedia pageview data linked to this company.