Insider · CIK 0001818099
Timothy Chen
Files at AMBQ (Ambiq Micro, Inc.). First filing May 29, 2026, latest May 29, 2026.
In brief
Timothy Chen files SEC Form 4 as director at AMBQ (Ambiq Micro, Inc.). Since May 29, 2026, Timothy Chen has reported 0 open-market buys worth $0 and 1 open-market sell worth $5.6M, the latest filed on May 29, 2026.
A track record needs three past buys with six months of prices behind them; Timothy Chen has 0, so none is measured yet.
The newest scored trade: sold $5.6M of AMBQ on May 27, 2026, filed May 29, 2026, scored 75 (notable). In the last 12 months: 0 buys worth $0 and 1 sell worth $5.6M.
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.
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 |
|---|---|---|---|---|---|
| 75Notable | Ambiq Micro, Inc. | $5.6M 70,592 shares | -100% | +254% from low-4% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 27, 2026 | AMBQ Ambiq Micro, Inc | 70,592 0.33% of outstanding | $5.6M | May 27, 2026 | none |
Transactions
Every row this insider has filed, 8 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | AMBQ Ambiq Micro, Inc. | AGrant or award Common Stock | +4,957 | $0.00 | $0 | 52,575 | Jun 10, 2026 |
| May 27, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stockindirect: By: Triumph Way Investment Inc. | -22,414 | $78.85 | $1.8M | 48,178 | May 29, 2026 |
| Jul 31, 2025 | AMBQ Ambiq Micro, Inc. | CConversion Common Stockindirect: By: Triumph Way Investment Inc. | +70,592 | - | - | 70,592 | May 29, 2026 |
| May 27, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stockindirect: By: Triumph Way Investment Inc. | -24,248 | $79.72 | $1.9M | 23,930 | May 29, 2026 |
| Jul 31, 2025 | AMBQ Ambiq Micro, Inc. | CConversion Series F-1 Convertible Preferred Stockderivativeindirect: By: Triumph Way Investment Inc. | -1,707,853 | $0.00 | $0 | 0 | May 29, 2026 |
| May 27, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stockindirect: By: Triumph Way Investment Inc. | -20,666 | $80.61 | $1.7M | 3,264 | May 29, 2026 |
| May 27, 2026 | AMBQ Ambiq Micro, Inc. | SOpen-market sale Common Stockindirect: By: Triumph Way Investment Inc. | -3,264 | $81.57 | $266k | 0 | May 29, 2026 |
| Jul 29, 2025 | AMBQ Ambiq Micro, Inc. | AGrant or award Common Stock | +47,618 | $0.00 | $0 | 47,618 | Jul 31, 2025 |
Questions about Timothy Chen
Answered from the filings on this page, as of the latest one.
Is Timothy Chen buying or selling?
In the last 12 months Timothy Chen reported 0 open-market buys worth $0 and 1 open-market sell worth $5.6M on SEC Form 4; the latest was sold $5.6M of AMBQ on May 27, 2026. Grants, option exercises and tax withholding are not counted.
How did Timothy Chen's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Timothy Chen has 0.
Where does Timothy Chen file Form 4?
Timothy Chen has filed Form 4 at AMBQ (Ambiq Micro, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.