Insider · CIK 0001185981
Chuang I Lin
Files at RBB (RBB Bancorp). First filing May 8, 2026, latest May 8, 2026.
In brief
Chuang I Lin files SEC Form 4 as director at RBB (RBB Bancorp). Since May 8, 2026, Chuang I Lin has reported 0 open-market buys worth $0 and 1 open-market sell worth $242k, the latest filed on May 8, 2026.
A track record needs three past buys with six months of prices behind them; Chuang I Lin has 0, so none is measured yet.
The newest scored trade: sold $242k of RBB on May 7, 2026, filed May 8, 2026, scored 33 (weak). In the last 12 months: 0 buys worth $0 and 1 sell worth $242k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RBB: RBB Bancorp
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 |
|---|---|---|---|---|---|
| 33Weak | RBB Bancorp | $242k 10,000 shares | -16% | +58% from low-0% 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 7, 2026 | RBB RBB Bancorp | 10,000 0.06% of outstanding | $243k | May 7, 2026 | none |
Transactions
Every row this insider has filed, 19 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +700 | $0.00 | $0 | 52,047 | May 26, 2026 |
| May 21, 2026 | RBB RBB Bancorp | MOption exercise Restricted Stock Unitsderivative | -700 | $0.00 | $0 | 0 | May 26, 2026 |
| May 7, 2026 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +10,000 | $18.25 | $183k | 61,347 | May 8, 2026 |
| May 7, 2026 | RBB RBB Bancorp | SOpen-market sale Common Stock, No Par Value | -10,000 | $24.23 | $242k | 51,347 | May 8, 2026 |
| May 7, 2026 | RBB RBB Bancorp | MOption exercise Option (right to buy)derivative | -10,000 | $18.25 | $183k | 0 | May 8, 2026 |
| May 20, 2025 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +10,000 | $0.00 | $0 | 48,826 | May 22, 2025 |
| May 21, 2025 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +2,521 | $0.00 | $0 | 51,347 | May 22, 2025 |
| May 17, 2024 | RBB RBB Bancorp | MOption exercise Option (right to buy)derivative | -10,250 | $0.00 | $0 | 10,250 | May 22, 2025 |
| May 20, 2025 | RBB RBB Bancorp | MOption exercise Option (right to buy)derivative | -10,000 | $0.00 | $0 | 0 | May 22, 2025 |
| May 21, 2025 | RBB RBB Bancorp | MOption exercise Restricted Stock Unitsderivative | -2,521 | $0.00 | $0 | 700 | May 22, 2025 |
| May 15, 2025 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +700 | $0.00 | $0 | 38,826 | May 16, 2025 |
| May 17, 2024 | RBB RBB Bancorp | MOption exercise Option (right to buy)derivative | -10,250 | $0.00 | $0 | 10,250 | May 16, 2025 |
| May 15, 2025 | RBB RBB Bancorp | MOption exercise Restricted Stock Unitsderivative | -700 | $0.00 | $0 | 0 | May 16, 2025 |
| May 17, 2024 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +10,250 | $0.00 | $0 | 38,126 | May 20, 2024 |
| May 17, 2024 | RBB RBB Bancorp | MOption exercise Option (right to buy)derivative | -10,250 | $0.00 | $0 | 10,250 | May 20, 2024 |
| May 16, 2024 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +900 | $0.00 | $0 | 27,876 | May 17, 2024 |
| May 16, 2024 | RBB RBB Bancorp | MOption exercise Restricted Stock Unitsderivative | -900 | $0.00 | $0 | 700 | May 17, 2024 |
| Jan 18, 2024 | RBB RBB Bancorp | MOption exercise Common Stock, No Par Value | +600 | $0.00 | $0 | 26,976 | Jan 19, 2024 |
| Jan 18, 2024 | RBB RBB Bancorp | MOption exercise Restricted Stock Unitsderivative | -600 | $0.00 | $0 | 0 | Jan 19, 2024 |
Questions about Chuang I Lin
Answered from the filings on this page, as of the latest one.
Is Chuang I Lin buying or selling?
In the last 12 months Chuang I Lin reported 0 open-market buys worth $0 and 1 open-market sell worth $242k on SEC Form 4; the latest was sold $242k of RBB on May 7, 2026. Grants, option exercises and tax withholding are not counted.
How did Chuang I Lin's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Chuang I Lin has 0.
Where does Chuang I Lin file Form 4?
Chuang I Lin has filed Form 4 at RBB (RBB Bancorp). 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.