Ethan PhD Shen
Ethan PhD Shen has made 1 open-market purchase worth $49k since Sep 16, 2026, in 1 company. The latest: $49k of YDES, filed Sep 16, 2026, scored 32 out of 100.
CEO, YD Bio Ltd
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 16 Form 4 (opens sec.gov) |
YDESYD Bio Ltd · CEOCEO · Near 52-week low | +0% stake | 32 | $49k 12,700 at $3.85 |
+47.2% | +88.9% |
Track record (hypothetical): a week after the filing, these buys averaged +47.2% (100% up, 1 measured); a month after, +88.9% (100% up, 1 measured).
Questions
What stock has Ethan PhD Shen bought?
YDES (YD Bio Ltd), all on the open market and reported on SEC Form 4.
When did Ethan PhD Shen last buy?
Sep 16, 2026: 12,700 shares of YDES at $3.85, $49k in all (Form 4 (opens sec.gov)).
Has Ethan PhD Shen 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 Ethan PhD Shen a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Sep 16, 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