Yi-Chien Lin
Yi-Chien Lin has made 2 open-market purchases worth $62k since Oct 3, 2026, in 1 company. The latest: $6k of XAIR, filed Oct 14, 2026, scored 12 out of 100.
10% owner, Beyond Air, Inc.
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 14 Form 4 (opens sec.gov) |
XAIRBeyond Air, Inc. · 10% owner10% owner | +2% stake | 12 | $6k 2,607 at $2.21 |
— | — |
| Oct 3 Form 4 (opens sec.gov) |
XAIRBeyond Air, Inc. · 10% owner10% owner | +16% stake | 21 | $57k 20,393 at $2.77 |
−18.7% | waiting |
Track record (hypothetical): a week after the filing, these buys averaged −18.7% (0% up, 1 measured).
Questions
What stock has Yi-Chien Lin bought?
XAIR (Beyond Air, Inc.), all on the open market and reported on SEC Form 4.
When did Yi-Chien Lin last buy?
Oct 14, 2026: 2,607 shares of XAIR at $2.21, $6k in all (Form 4 (opens sec.gov)).
Has Yi-Chien Lin filed a notice of a planned sale?
Not in the filings on record. A Form 144 is the notice an insider must file before selling restricted or control shares, and it lands on EDGAR before the sale is reported.
Is Yi-Chien Lin a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Oct 14, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer