Insider · CIK 0002144385
Yi-Chien Lin
Files at XAIR (Beyond Air, Inc.). First filing Oct 2, 2026, latest Oct 2, 2026.
In brief
Yi-Chien Lin files SEC Form 4 as 10% owner at XAIR (Beyond Air, Inc.). Since Oct 2, 2026, Yi-Chien Lin has reported 1 open-market buy worth $57k and 0 open-market sells worth $0, the latest filed on Oct 2, 2026.
A track record needs three past buys with six months of prices behind them; Yi-Chien Lin has 0, so none is measured yet.
The newest scored trade: bought $57k of XAIR on Sep 29, 2026, filed Oct 2, 2026, scored 35 (weak). In the last 12 months: 1 buy worth $57k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
XAIR: Beyond Air, 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 |
|---|---|---|---|---|---|
| 35Weak | XAIRbuy Beyond Air, Inc. | $57k 20,393 shares | +16% | +9% from low-95% from high |
Transactions
Every row this insider has filed, 3 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | XAIR Beyond Air, Inc. | POpen-market purchase Common Stock | +3,000 | $2.69 | $8,070 | 128,000 | 12 d ago |
| Sep 30, 2026 | XAIR Beyond Air, Inc. | POpen-market purchase Common Stock | +2,000 | $2.71 | $5,420 | 130,000 | 12 d ago |
| Oct 1, 2026 | XAIR Beyond Air, Inc. | POpen-market purchase Common Stock | +15,393 | $2.80 | $43k | 145,393 | 12 d ago |
Questions about Yi-Chien Lin
Answered from the filings on this page, as of the latest one.
Is Yi-Chien Lin buying or selling?
In the last 12 months Yi-Chien Lin reported 1 open-market buy worth $57k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $57k of XAIR on Sep 29, 2026. Grants, option exercises and tax withholding are not counted.
How did Yi-Chien Lin's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Yi-Chien Lin has 0.
Where does Yi-Chien Lin file Form 4?
Yi-Chien Lin has filed Form 4 at XAIR (Beyond Air, 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.