buyModerate cluster of 3
Shih-Yao David Lin bought $439k of IRIX
owner at IRIDEX CORP. 350,557 shares at an average of $1.25, traded Dec 3, 2025, filed Oct 7, 2026.
Conviction score
53Value
$439k
350,557 shares
Holdings after
1,186,809
+42% from before
From 52-week low
+19%
low $0.79, close $0.94
From 52-week high
-50%
high $1.88, as of Dec 3, 2025
Score components
- +12Role10% owner
- +17Trade size$439k at market
- +6Relative to holdingsHoldings up 42%
- +8Price context50% below the 52-week high
- +15Cluster3 insiders 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 0001062993-26-005214, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 3, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +244 | $0.93 | $227 | 836,496 | 5 d ago |
| Dec 5, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +10,260 | $0.94 | $9,644 | 846,756 | 5 d ago |
| Dec 9, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +20,000 | $0.94 | $19k | 866,756 | 5 d ago |
| Dec 10, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +18,892 | $0.94 | $18k | 885,648 | 5 d ago |
| Dec 12, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +20,000 | $0.97 | $19k | 905,648 | 5 d ago |
| Dec 15, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +11,404 | $0.94 | $11k | 917,052 | 5 d ago |
| Dec 16, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +7,675 | $0.99 | $7,598 | 924,727 | 5 d ago |
| Dec 19, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +14,202 | $0.97 | $14k | 938,929 | 5 d ago |
| Dec 22, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +4,031 | $1.00 | $4,031 | 942,960 | 5 d ago |
| Dec 30, 2025 | POpen-market purchase Common Stockindirect: By Xinpo | +7,009 | $1.15 | $8,060 | 949,969 | 5 d ago |
| Jan 7, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +1,330 | $1.19 | $1,583 | 951,299 | 5 d ago |
| Jan 8, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +20,000 | $1.20 | $24k | 971,299 | 5 d ago |
| Jan 23, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +30,000 | $1.48 | $44k | 1,001,299 | 5 d ago |
| Jan 27, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +33,013 | $1.48 | $49k | 1,034,312 | 5 d ago |
| Jan 30, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +4,050 | $1.48 | $5,994 | 1,038,362 | 5 d ago |
| Feb 2, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +637 | $1.49 | $949 | 1,038,999 | 5 d ago |
| Feb 4, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +19,324 | $1.41 | $27k | 1,058,323 | 5 d ago |
| Feb 5, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +40,535 | $1.45 | $59k | 1,098,858 | 5 d ago |
| Feb 9, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +129 | $1.46 | $188 | 1,098,987 | 5 d ago |
| Feb 11, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +15,703 | $1.43 | $22k | 1,114,690 | 5 d ago |
| Feb 12, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +100 | $1.38 | $138 | 1,114,790 | 5 d ago |
| Feb 23, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +14,943 | $1.41 | $21k | 1,129,733 | 5 d ago |
| Mar 2, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +1,424 | $1.40 | $1,994 | 1,131,157 | 5 d ago |
| Mar 3, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +752 | $1.42 | $1,068 | 1,131,909 | 5 d ago |
| Mar 12, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +967 | $1.32 | $1,276 | 1,132,876 | 5 d ago |
| Mar 16, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +1,682 | $1.30 | $2,187 | 1,134,558 | 5 d ago |
| Mar 17, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +22,805 | $1.31 | $30k | 1,157,363 | 5 d ago |
| Mar 23, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +17,526 | $1.33 | $23k | 1,174,889 | 5 d ago |
| Mar 24, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +4,549 | $1.33 | $6,050 | 1,179,438 | 5 d ago |
| Mar 30, 2026 | POpen-market purchase Common Stockindirect: By Xinpo | +7,371 | $0.99 | $7,297 | 1,186,809 | 5 d ago |
Related signals
Other insiders at IRIDEX CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 42Moderate | IRIXbuy IRIDEX CORP | Shih-Yao David Lin owner | $598k 570,184 shares | - | |
| 54Moderate | IRIDEX CORP | Shih-Yao David Lin owner | $274k 266,068 shares | +47% | |
| 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.