AMBQAmbiq Micro, Inc.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-05-29.
Insider buys (90d)
$0.00
Insider sells (90d)
$16.30M
Net flow
$-16.30M
Filings
6
Buy transactions
0
Sell transactions
12
Distinct insiders
5
Last close (cached)
$82.81
as of 2026-06-02
1d return
+7.0%
5d return
-0.9%
1m return
+105.0%
Top insiders trading AMBQ (90d)
Recent transactions (21)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-29 | 2026-05-27 | Chen Timothy | Sale | 3,264 | $81.57 | $266.2K | open → |
| 2026-05-29 | 2026-05-27 | Chen Timothy | Sale | 20,666 | $80.61 | $1.67M | open → |
| 2026-05-29 | 2026-05-27 | Chen Timothy | Sale | 24,248 | $79.72 | $1.93M | open → |
| 2026-05-29 | 2026-05-27 | Chen Timothy | Sale | 22,414 | $78.85 | $1.77M | open → |
| 2026-05-29 | 2025-07-31 | Chen Timothy | C | 70,592 | $0.00 | $0.00 | open → |
| 2026-05-18 | 2026-05-15 | Winzeler Jeffrey G | Exer. | 5,952 | $16.80 | $100.0K | open → |
| 2026-05-18 | 2026-05-14 | Winzeler Jeffrey G | Sale | 82 | $70.65 | $5.8K | open → |
| 2026-05-18 | 2026-05-14 | Winzeler Jeffrey G | Sale | 25,918 | $69.90 | $1.81M | open → |
| 2026-05-18 | 2026-05-14 | Winzeler Jeffrey G | Exer. | 26,000 | $16.80 | $436.8K | open → |
| 2026-05-18 | 2026-05-15 | Hanson Scott McLean | Exer. | 8,100 | $8.12 | $65.8K | open → |
| 2026-05-18 | 2026-05-14 | Hanson Scott McLean | Sale | 200 | $70.50 | $14.1K | open → |
| 2026-05-18 | 2026-05-14 | Hanson Scott McLean | Sale | 6,100 | $69.59 | $424.5K | open → |
| 2026-05-18 | 2026-05-14 | Hanson Scott McLean | Sale | 3,900 | $68.62 | $267.6K | open → |
| 2026-05-18 | 2026-05-14 | Hanson Scott McLean | Exer. | 10,200 | $8.12 | $82.8K | open → |
| 2026-05-18 | 2026-05-15 | Chen Sean Chihhsiang | Sale | 23,334 | $71.37 | $1.67M | open → |
| 2026-05-18 | 2026-05-15 | Chen Sean Chihhsiang | Sale | 32,351 | $70.53 | $2.28M | open → |
| 2026-05-18 | 2026-05-15 | Chen Sean Chihhsiang | Exer. | 55,685 | $5.88 | $327.4K | open → |
| 2026-05-18 | 2026-05-15 | Esaka Fumihide | Exer. | 14,537 | $12.60 | $183.2K | open → |
| 2026-05-18 | 2026-05-15 | Esaka Fumihide | Exer. | 45,463 | $8.12 | $369.2K | open → |
| 2026-05-18 | 2026-05-14 | Esaka Fumihide | Sale | 60,000 | $70.02 | $4.20M | open → |
| 2026-05-18 | 2026-05-14 | Esaka Fumihide | Exer. | 60,000 | $8.12 | $487.2K | open → |
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