Shih-Yao David Lin
Shih-Yao David Lin has made 3 open-market purchases worth $1.3M since Oct 7, 2026, in 1 company. The latest: $439k of IRIX, filed Oct 7, 2026, scored 16 out of 100.
10% owner, IRIDEX CORP
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 7 Form 4 (opens sec.gov) |
IRIXIRIDEX CORP · 10% owner10% owner · Filed late · Penny stock: hard to trade | +42% stake | 16 | $439k 350,557 at $1.25 |
−6.2% | waiting |
| Oct 7 Form 4 (opens sec.gov) |
IRIXIRIDEX CORP · 10% owner10% owner · Near 52-week low · Filed late · Penny stock: hard to trade | +47% stake | 12 | $274k 266,068 at $1.03 |
−6.2% | waiting |
| Oct 7 Form 4 (opens sec.gov) |
IRIXIRIDEX CORP · 10% owner10% owner · Filed late · Penny stock: hard to trade | New position | 16 | $598k 570,184 at $1.05 |
−6.2% | waiting |
Track record (hypothetical): a week after the filing, these buys averaged −6.2% (0% up, 3 measured).
Questions
What stock has Shih-Yao David Lin bought?
IRIX (IRIDEX CORP), all on the open market and reported on SEC Form 4.
When did Shih-Yao David Lin last buy?
Oct 7, 2026: 350,557 shares of IRIX at $1.25, $439k in all (Form 4 (opens sec.gov)).
Has Shih-Yao David 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 Shih-Yao David Lin a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Oct 7, 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