Insider · CIK 0002078559
Sean Chihhsiang Chen
coopresidentofficer
Files at AMBQ (Ambiq Micro, Inc.). First filing Sep 9, 2026, latest Oct 6, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 3
$0 bought, $2.7M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
AMBQ: Ambiq Micro, Inc.
AMBQOct 9, 2026 · close 58.56
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 44Moderate | Ambiq Micro, Inc. | $952k 14,007 shares | -12% | +200% from low-25% from high | |
| 29Weak | Ambiq Micro, Inc. | $902k 15,000 shares | -11% | - | |
| 28Weak | Ambiq Micro, Inc. | $858k 15,000 shares | -11% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -2,492 | $69.11 | $172k | 117,783 | 6 d ago |
| Oct 2, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -3,008 | $69.77 | $210k | 114,775 | 6 d ago |
| Oct 2, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -302 | $71.86 | $22k | 114,473 | 6 d ago |
| Oct 5, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -5,508 | $66.38 | $366k | 108,965 | 6 d ago |
| Oct 5, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -1,797 | $67.29 | $121k | 107,168 | 6 d ago |
| Oct 5, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -800 | $68.08 | $54k | 106,368 | 6 d ago |
| Oct 5, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -100 | $69.51 | $6,951 | 106,268 | 6 d ago |
| Sep 14, 2026 | AMBQ Ambiq Micro, Inc. | MOption exercise Common Stock10b5-1 | +15,000 | $8.12 | $122k | 135,275 | 27 d ago |
| Sep 14, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -2,600 | $59.36 | $154k | 132,675 | 27 d ago |
| Sep 14, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -11,000 | $60.24 | $663k | 121,675 | 27 d ago |
| Sep 14, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -1,400 | $60.83 | $85k | 120,275 | 27 d ago |
| Sep 14, 2026 | AMBQ Ambiq Micro, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -15,000 | $0.00 | $0 | 134,423 | 27 d ago |
| Sep 4, 2026 | AMBQ Ambiq Micro, Inc. | MOption exercise Common Stock10b5-1 | +15,000 | $8.12 | $122k | 135,275 | 33 d ago |
| Sep 4, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -12,874 | $57.09 | $735k | 122,401 | 33 d ago |
| Sep 4, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stock10b5-1 | -2,126 | $57.68 | $123k | 120,275 | 33 d ago |
| Sep 4, 2026 | AMBQ Ambiq Micro, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -15,000 | $0.00 | $0 | 149,423 | 33 d ago |
| Oct 2, 2025 | AMBQ Ambiq Micro, Inc. | AGrant or award Common Stock | +56,029 | $0.00 | $0 | 56,029 | Oct 6, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.