Lin Shih-Yao David Insider Trading Activity
Corporate Insider10%+ Owner · CIK 2098041
Lin Shih-Yao David has been net-buying over the last 12 months with 44 purchases and 0 sales across 1 company.
IRIX is the most-traded position with 44 trades. The largest single transaction was a purchase of IRIX for $59K on Feb 5, 2026.
Performance Scorecard
Forward stock performance after each transaction by Lin Shih-Yao David. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +6.5% | — | 44% | 90 |
| 90 days | +16.3% | — | 76% | 90 |
| 120 days | +10.7% | — | 74% | 90 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersIRIX · IRIDEX CORP
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Showing the 50 most recent of 90 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Mar 30, 2026 ⚠ Filed 137d late | IRIX | Buy | 7,371 | $0.99 | $7K | +0.6% | 10%+ Owner | |
Mar 24, 2026 ⚠ Filed 141d late | IRIX | Buy | 4,549 | $1.33 | $6K | +0.4% | 10%+ Owner | |
Mar 23, 2026 ⚠ Filed 142d late | IRIX | Buy | 17,526 | $1.33 | $23K | +1.5% | 10%+ Owner | |
Mar 17, 2026 ⚠ Filed 146d late | IRIX | Buy | 22,805 | $1.31 | $30K | +2.0% | 10%+ Owner | |
Mar 16, 2026 ⚠ Filed 147d late | IRIX | Buy | 1,682 | $1.30 | $2K | +0.1% | 10%+ Owner | |
Mar 12, 2026 ⚠ Filed 149d late | IRIX | Buy | 967 | $1.32 | $1K | +0.1% | 10%+ Owner | |
Mar 3, 2026 ⚠ Filed 156d late | IRIX | Buy | 752 | $1.42 | $1K | +0.1% | 10%+ Owner | |
Mar 2, 2026 ⚠ Filed 157d late | IRIX | Buy | 1,424 | $1.40 | $2K | +0.1% | 10%+ Owner | |
Feb 23, 2026 ⚠ Filed 162d late | IRIX | Buy | 14,943 | $1.41 | $21K | +1.3% | 10%+ Owner | |
Feb 12, 2026 ⚠ Filed 169d late | IRIX | Buy | 100 | $1.38 | $138 | +0.0% | 10%+ Owner | |
Feb 11, 2026 ⚠ Filed 170d late | IRIX | Buy | 15,703 | $1.43 | $22K | +1.4% | 10%+ Owner | |
Feb 9, 2026 ⚠ Filed 172d late | IRIX | Buy | 129 | $1.46 | $188.34 | +0.0% | 10%+ Owner | |
Feb 5, 2026 ⚠ Filed 174d late | IRIX | Buy | 40,535 | $1.45 | $59K | +3.8% | 10%+ Owner | |
Feb 4, 2026 ⚠ Filed 175d late | IRIX | Buy | 19,324 | $1.41 | $27K | +1.9% | 10%+ Owner | |
Feb 2, 2026 ⚠ Filed 177d late | IRIX | Buy | 637 | $1.49 | $949.13 | +0.1% | 10%+ Owner | |
Jan 30, 2026 ⚠ Filed 178d late | IRIX | Buy | 4,050 | $1.48 | $6K | +0.4% | 10%+ Owner | |
Jan 27, 2026 ⚠ Filed 181d late | IRIX | Buy | 33,013 | $1.48 | $49K | +3.3% | 10%+ Owner | |
Jan 23, 2026 ⚠ Filed 183d late | IRIX | Buy | 30,000 | $1.48 | $44K | +3.1% | 10%+ Owner | |
Jan 8, 2026 ⚠ Filed 194d late | IRIX | Buy | 20,000 | $1.20 | $24K | +2.1% | 10%+ Owner | |
Jan 7, 2026 ⚠ Filed 195d late | IRIX | Buy | 1,330 | $1.19 | $2K | +0.1% | 10%+ Owner | |
Dec 30, 2025 ⚠ Filed 201d late | IRIX | Buy | 7,009 | $1.15 | $8K | +0.7% | 10%+ Owner | |
Dec 22, 2025 ⚠ Filed 207d late | IRIX | Buy | 4,031 | $1.00 | $4K | +0.4% | 10%+ Owner | |
Dec 19, 2025 ⚠ Filed 208d late | IRIX | Buy | 14,202 | $0.97 | $14K | +1.5% | 10%+ Owner | |
Dec 16, 2025 ⚠ Filed 211d late | IRIX | Buy | 7,675 | $0.99 | $8K | +0.8% | 10%+ Owner | |
Dec 15, 2025 ⚠ Filed 212d late | IRIX | Buy | 11,404 | $0.94 | $11K | +1.3% | 10%+ Owner | |
Dec 12, 2025 ⚠ Filed 213d late | IRIX | Buy | 20,000 | $0.97 | $19K | +2.3% | 10%+ Owner | |
Dec 10, 2025 ⚠ Filed 215d late | IRIX | Buy | 18,892 | $0.94 | $18K | +2.2% | 10%+ Owner | |
Dec 9, 2025 ⚠ Filed 216d late | IRIX | Buy | 20,000 | $0.94 | $19K | +2.4% | 10%+ Owner | |
Dec 5, 2025 ⚠ Filed 218d late | IRIX | Buy | 10,260 | $0.94 | $10K | +1.2% | 10%+ Owner | |
Dec 3, 2025 ⚠ Filed 220d late | IRIX | Buy | 244 | $0.93 | $226.92 | +0.0% | 10%+ Owner | |
Dec 1, 2025 ⚠ Filed 222d late | IRIX | Buy | 20,000 | $0.96 | $19K | +2.5% | 10%+ Owner | |
Nov 28, 2025 ⚠ Filed 223d late | IRIX | Buy | 3,885 | $0.96 | $4K | +0.5% | 10%+ Owner | |
Nov 26, 2025 ⚠ Filed 225d late | IRIX | Buy | 3,033 | $0.93 | $3K | +0.4% | 10%+ Owner | |
Nov 25, 2025 ⚠ Filed 226d late | IRIX | Buy | 69 | $0.91 | $62.79 | +0.0% | 10%+ Owner | |
Nov 20, 2025 ⚠ Filed 229d late | IRIX | Buy | 925 | $0.94 | $869.5 | +0.1% | 10%+ Owner | |
Nov 14, 2025 ⚠ Filed 233d late | IRIX | Buy | 24,626 | $0.88 | $22K | +3.1% | 10%+ Owner | |
Nov 12, 2025 ⚠ Filed 235d late | IRIX | Buy | 20,000 | $1.04 | $21K | +2.6% | 10%+ Owner | |
Nov 7, 2025 ⚠ Filed 238d late | IRIX | Buy | 115 | $1.04 | $119.6 | +0.0% | 10%+ Owner | |
Nov 6, 2025 ⚠ Filed 239d late | IRIX | Buy | 1,496 | $1.04 | $2K | +0.2% | 10%+ Owner | |
Oct 27, 2025 ⚠ Filed 247d late | IRIX | Buy | 10,000 | $1.09 | $11K | +1.3% | 10%+ Owner | |
Oct 22, 2025 ⚠ Filed 250d late | IRIX | Buy | 6,120 | $1.06 | $6K | +0.8% | 10%+ Owner | |
Oct 21, 2025 ⚠ Filed 251d late | IRIX | Buy | 10,000 | $1.08 | $11K | +1.4% | 10%+ Owner | |
Oct 20, 2025 ⚠ Filed 252d late | IRIX | Buy | 422 | $1.04 | $438.88 | +0.1% | 10%+ Owner | |
Oct 16, 2025 ⚠ Filed 254d late | IRIX | Buy | 10,000 | $1.05 | $11K | +1.4% | 10%+ Owner | |
Oct 14, 2025 ⚠ Filed 256d late | IRIX | Buy | 100 | $1.05 | $105 | +0.0% | 10%+ Owner | |
Jul 29, 2025 ⚠ Filed 311d late | IRIX | Buy | 20,000 | $1.52 | $30K | +2.8% | 10%+ Owner | |
Jul 18, 2025 ⚠ Filed 318d late | IRIX | Buy | 20,000 | $1.28 | $26K | +2.9% | 10%+ Owner | |
Jul 11, 2025 ⚠ Filed 323d late | IRIX | Buy | 7,302 | $1.00 | $7K | +1.1% | 10%+ Owner | |
Jul 9, 2025 ⚠ Filed 325d late | IRIX | Buy | 2,139 | $0.97 | $2K | +0.3% | 10%+ Owner | |
Jul 1, 2025 ⚠ Filed 331d late | IRIX | Buy | 100 | $0.88 | $88 | +0.0% | 10%+ Owner |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| IRIX | IRIDEX CORP | 90 | $1.3M |
Other insiders at IRIDEX CORP
2 other tracked filers at IRIX.