Lin Shih-Yao David: insider buys
Every open-market stock purchase reported by Lin Shih-Yao David to the SEC on Form 4.
Total bought$1.31M
Purchases3
Companies1
Last purchase filedOct 7, 2026
Return on these buys-43%
Lin Shih-Yao David has made 3 open-market purchases worth $1.31M in 1 company since Oct 7, 2026, according to SEC Form 4 filings. The most recent was filed on Oct 7, 2026: 350,557 shares of IRIX at $1.25 (10% Owner), worth $438.76K. The largest was $597.90K of IRIX on Mar 25, 2025. Taken together, these purchases are down 43% at the latest closing prices (split-adjusted, weighted by amount).
Companies Lin Shih-Yao David bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| IRIX | Iridex Corp | 10% Owner | 3 | $1.31M | -43% | Oct 7 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Oct 7 | IRIXIridex Corp | Lin Shih-Yao David10% Owner | $438.76K | 350,557 | $1.25 | -43% | +42% | Dec 3 | SEC |
| Oct 7 | IRIXIridex Corp | Lin Shih-Yao David10% Owner | $273.61K | 266,068 | $1.03 | — | +47% | Jun 6 | SEC |
| Oct 7 | IRIXIridex Corp | Lin Shih-Yao David10% Owner | $597.90K | 570,184 | $1.05 | — | new | Mar 25 | SEC |