AMBQAmbiq Micro, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-17.
Insider buys (90d)
$0.00
Insider sells (90d)
$17.58M
Net flow
$-17.58M
Filings
10
Buy transactions
0
Sell transactions
34
Distinct insiders
4
Last close (cached)
$69.79
as of 2026-09-25
1d return
+1.3%
5d return
+6.6%
1m return
+18.3%
Top insiders trading AMBQ (90d)
Recent transactions (49)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-17 | 2026-09-15 | Hanson Scott McLean | Sale | 100 | $61.00 | $6.1K | open → |
| 2026-09-17 | 2026-09-15 | Hanson Scott McLean | Sale | 4,947 | $60.56 | $299.6K | open → |
| 2026-09-17 | 2026-09-15 | Hanson Scott McLean | Sale | 1,953 | $59.53 | $116.3K | open → |
| 2026-09-17 | 2026-09-15 | Hanson Scott McLean | Exer. | 7,000 | $8.12 | $56.8K | open → |
| 2026-09-15 | 2026-09-11 | ZHANG KER | Sale | 900 | $63.95 | $57.6K | open → |
| 2026-09-15 | 2026-09-11 | ZHANG KER | Sale | 9,100 | $63.39 | $576.8K | open → |
| 2026-09-15 | 2026-09-14 | Chen Sean Chihhsiang | Sale | 1,400 | $60.83 | $85.2K | open → |
| 2026-09-15 | 2026-09-14 | Chen Sean Chihhsiang | Sale | 11,000 | $60.24 | $662.6K | open → |
| 2026-09-15 | 2026-09-14 | Chen Sean Chihhsiang | Sale | 2,600 | $59.36 | $154.3K | open → |
| 2026-09-15 | 2026-09-14 | Chen Sean Chihhsiang | Exer. | 15,000 | $8.12 | $121.8K | open → |
| 2026-09-15 | 2026-09-15 | Esaka Fumihide | Sale | 100 | $61.00 | $6.1K | open → |
| 2026-09-15 | 2026-09-15 | Esaka Fumihide | Sale | 9,615 | $60.55 | $582.2K | open → |
| 2026-09-15 | 2026-09-15 | Esaka Fumihide | Sale | 3,785 | $59.56 | $225.4K | open → |
| 2026-09-15 | 2026-09-15 | Esaka Fumihide | Exer. | 13,500 | $8.12 | $109.6K | open → |
| 2026-09-15 | 2026-09-11 | Esaka Fumihide | Sale | 7,917 | $63.86 | $505.6K | open → |
| 2026-09-15 | 2026-09-11 | Esaka Fumihide | Sale | 42,083 | $63.27 | $2.66M | open → |
| 2026-09-15 | 2026-09-11 | Esaka Fumihide | Exer. | 50,000 | $12.60 | $630.0K | open → |
| 2026-09-09 | 2026-09-04 | Chen Sean Chihhsiang | Sale | 2,126 | $57.68 | $122.6K | open → |
| 2026-09-09 | 2026-09-04 | Chen Sean Chihhsiang | Sale | 12,874 | $57.09 | $734.9K | open → |
| 2026-09-09 | 2026-09-04 | Chen Sean Chihhsiang | Exer. | 15,000 | $8.12 | $121.8K | open → |
| 2026-09-09 | 2026-09-04 | ZHANG KER | Sale | 185 | $56.92 | $10.5K | open → |
| 2026-09-09 | 2026-09-04 | ZHANG KER | Exer. | 1,785 | $5.88 | $10.5K | open → |
| 2026-09-02 | 2026-09-02 | Esaka Fumihide | Sale | 9,575 | $56.77 | $543.6K | open → |
| 2026-09-02 | 2026-09-02 | Esaka Fumihide | Sale | 1,452 | $56.15 | $81.5K | open → |
| 2026-09-02 | 2026-09-02 | Esaka Fumihide | Exer. | 11,027 | $12.60 | $138.9K | open → |
| 2026-09-02 | 2026-09-01 | Esaka Fumihide | Sale | 48,973 | $56.39 | $2.76M | open → |
| 2026-09-02 | 2026-09-01 | Esaka Fumihide | Exer. | 48,973 | $12.60 | $617.1K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Sale | 5,600 | $58.46 | $327.4K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Sale | 13,800 | $57.70 | $796.3K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Sale | 15,600 | $56.81 | $886.2K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Exer. | 44,271 | $12.60 | $557.8K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Sale | 2,100 | $58.52 | $122.9K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Sale | 5,501 | $57.75 | $317.7K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Sale | 5,899 | $56.87 | $335.5K | open → |
| 2026-09-02 | 2026-08-31 | Esaka Fumihide | Exer. | 13,500 | $8.12 | $109.6K | open → |
| 2026-08-28 | 2026-08-27 | Hanson Scott McLean | Sale | 4,910 | $60.32 | $296.2K | open → |
| 2026-08-28 | 2026-08-27 | Hanson Scott McLean | Sale | 22,590 | $59.69 | $1.35M | open → |
| 2026-08-28 | 2026-08-27 | Hanson Scott McLean | Exer. | 27,500 | $8.12 | $223.3K | open → |
| 2026-08-28 | 2026-08-26 | Hanson Scott McLean | Sale | 27,500 | $59.58 | $1.64M | open → |
| 2026-08-28 | 2026-08-26 | Hanson Scott McLean | Exer. | 27,500 | $8.12 | $223.3K | open → |
| 2026-08-28 | 2026-08-26 | Hanson Scott McLean | Exer. | 10,000 | $8.12 | $81.2K | open → |
| 2026-08-18 | 2026-08-14 | Esaka Fumihide | Sale | 1,500 | $65.26 | $97.9K | open → |
| 2026-08-18 | 2026-08-14 | Esaka Fumihide | Sale | 10,718 | $64.40 | $690.2K | open → |
| 2026-08-18 | 2026-08-14 | Esaka Fumihide | Sale | 1,282 | $63.29 | $81.1K | open → |
| 2026-08-18 | 2026-08-14 | Esaka Fumihide | Exer. | 13,500 | $8.12 | $109.6K | open → |
| 2026-08-18 | 2026-08-14 | Hanson Scott McLean | Sale | 800 | $65.30 | $52.2K | open → |
| 2026-08-18 | 2026-08-14 | Hanson Scott McLean | Sale | 5,400 | $64.41 | $347.8K | open → |
| 2026-08-18 | 2026-08-14 | Hanson Scott McLean | Sale | 800 | $63.26 | $50.6K | open → |
| 2026-08-18 | 2026-08-14 | Hanson Scott McLean | Exer. | 7,000 | $8.12 | $56.8K | open → |
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