buyModerate
Shih-Yao David Lin bought $598k of IRIX
owner at IRIDEX CORP. 570,184 shares at an average of $1.05, traded Mar 25, 2025, filed Oct 7, 2026.
Conviction score
42Value
$598k
570,184 shares
Holdings after
570,184
change unknown
From 52-week low
+13%
low $0.79, close $0.89
From 52-week high
-56%
high $2.03, as of Mar 25, 2025
Score components
- +12Role10% owner
- +19Trade size$598k at market
- +8Relative to holdingsFirst purchase: no shares before this trade
- +8Price context56% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
- -5Outside holderA 10% owner who is not an officer or director
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
IRIXOct 9, 2026 · close 0.89
Since filing Oct 7, 2026: +1.1%SPY +0.2% · excess +1.0%
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001062993-26-005210, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 25, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +5,000 | $0.93 | $4,673 | 5,000 | 5 d ago |
| Mar 26, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +8,834 | $0.89 | $7,882 | 13,834 | 5 d ago |
| Apr 4, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +15,000 | $0.89 | $13k | 28,834 | 5 d ago |
| Apr 7, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +10,674 | $0.84 | $8,961 | 39,508 | 5 d ago |
| Apr 8, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +2,995 | $0.85 | $2,546 | 42,503 | 5 d ago |
| Apr 9, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +6,226 | $0.87 | $5,417 | 48,729 | 5 d ago |
| Apr 10, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +789 | $0.93 | $730 | 49,518 | 5 d ago |
| Apr 15, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +879 | $0.97 | $853 | 50,397 | 5 d ago |
| Apr 17, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +20,000 | $1.02 | $20k | 70,397 | 5 d ago |
| Apr 21, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +7,230 | $1.02 | $7,375 | 77,627 | 5 d ago |
| Apr 22, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +1,231 | $1.02 | $1,256 | 78,858 | 5 d ago |
| Apr 24, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +50,000 | $1.20 | $60k | 128,858 | 5 d ago |
| Apr 28, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +6,253 | $1.22 | $7,629 | 135,111 | 5 d ago |
| Apr 30, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +4,032 | $1.18 | $4,758 | 139,143 | 5 d ago |
| May 6, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +11,773 | $1.15 | $14k | 150,916 | 5 d ago |
| May 7, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +26,581 | $1.16 | $31k | 177,497 | 5 d ago |
| May 8, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +20,000 | $1.15 | $23k | 197,497 | 5 d ago |
| May 9, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +851 | $1.15 | $979 | 198,348 | 5 d ago |
| May 12, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +50,000 | $1.16 | $58k | 248,348 | 5 d ago |
| May 14, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +50,000 | $1.10 | $55k | 298,348 | 5 d ago |
| May 15, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +39,937 | $1.00 | $40k | 338,285 | 5 d ago |
| May 16, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +3,176 | $1.00 | $3,176 | 341,461 | 5 d ago |
| May 19, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +7,562 | $1.01 | $7,638 | 349,023 | 5 d ago |
| May 20, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +20,000 | $1.05 | $21k | 369,023 | 5 d ago |
| May 21, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +3,802 | $1.02 | $3,878 | 372,825 | 5 d ago |
| May 23, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +80,000 | $1.00 | $80k | 452,825 | 5 d ago |
| May 28, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +23,526 | $0.94 | $22k | 476,351 | 5 d ago |
| May 29, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +3,719 | $0.97 | $3,600 | 480,070 | 5 d ago |
| Jun 2, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +40,114 | $1.00 | $40k | 520,184 | 5 d ago |
| Jun 5, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +50,000 | $0.99 | $49k | 570,184 | 5 d ago |
Related signals
Other insiders at IRIDEX CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 54Moderate | IRIDEX CORP | Shih-Yao David Lin owner | $274k 266,068 shares | +47% | |
| 53Moderate | IRIDEX CORP | Shih-Yao David Lin owner | $439k 350,557 shares | +42% | |
| 27Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $4,977 7,900 shares | +4% | |
| 27Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $1,530 2,354 shares | +1% | |
| 22Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $3,468 5,100 shares | +3% | |
| 26Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $1,399 1,110 shares | +1% | |
| 31Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $2,942 2,200 shares | +2% | |
| 27Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $2,145 1,500 shares | +1% | |
| 22Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $1,460 1,000 shares | +1% | |
| 27Weak | IRIXbuy IRIDEX CORP | Romeo R Dizon Chief Financial Officer | $3,450 2,500 shares | +2% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.