IRIDEX CORP (IRIX) insider trading
IRIDEX CORP insiders have made 4 open-market purchases worth $1.3M since Sep 16, 2026, by 2 different insiders. The latest: Shih-Yao David Lin (10% owner) bought $439k, filed Oct 7, 2026, scored 16 out of 100. The biggest: $598k by Shih-Yao David Lin, filed Oct 7, 2026.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 7 Form 4 (opens sec.gov) |
Shih-Yao David Lin10% owner · filed late10% 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) |
Shih-Yao David Lin10% owner · filed late10% 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) |
Shih-Yao David Lin10% owner · filed late10% owner · Filed late · Penny stock: hard to trade | New position | 16 | $598k 570,184 at $1.05 |
−6.2% | waiting |
| Sep 16 Form 4 (opens sec.gov) |
Romeo R. DizonCFOCFO · Near 52-week low · Penny stock: hard to trade | +5% stake | 34 | $5k 7,900 at $0.63 |
— | — |
Track record (hypothetical): a week after the filing, these buys averaged −6.2% (0% up, 3 measured).
Insiders who bought IRIX
- Shih-Yao David Lin 10% owner
- Romeo R. Dizon CFO
Questions
Are insiders buying IRIX stock?
Yes. In the last 90 days, 4 open-market purchases were filed, worth $1.3M.
Who bought IRIX stock most recently?
Shih-Yao David Lin, 10% owner, bought 350,557 shares for $439k (Form 4 (opens sec.gov), filed Oct 7, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
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