SEC Form 4
Iridex Corp (IRIX) insider trading
In the 12 months to Oct 26, 2026, 3 IRIX insiders reported open-market purchases of $1.5M across 36 filings; no open-market sales were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $1.5M
- 36 filings
$ excludes 3 trades without a price.
Who traded IRIX, and when
- Purchase
IRIX daily close from Oct 27, 2025 to Oct 26, 2026, between $0.61 and $1.56, last $0.74. 0 sale and 36 purchase filings by 3 insiders, marked at their filing dates. Shih-Yao David Lin, 10% owner: bought $1.3M across 3 filings, first filed Oct 7, 2026, last Oct 7, 2026. Romeo R. Dizon, Chief Financial Officer: bought $100.6K across 29 filings, first filed Nov 17, 2025, last Sep 16, 2026. William M. Moore, Director: bought $50.4K across 4 filings, first filed Nov 18, 2025, last Dec 18, 2025.
Largest mark · tap a row for others
Shih-Yao David Lin · 10% owner
Filing 1 of 3 within a week · $1,310,276 total
Purchase $597,903
570,184 shares at $1.05 avg
Filed Oct 7, 2026 · traded Mar 25
Close on filing date $0.88
Shih-Yao David Lin · 10% owner
10% owner
$1.3M boughtRomeo R. Dizon · Chief Financial Officer
Chief Financial Officer
$100.6K boughtWilliam M. Moore · Director
Director
$50.4K boughtOpen-market trades
36 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Shih-Yao David Lin | 10% owner | — | $1.3M | 3 | — | |
| Romeo R. Dizon | Chief Financial Officer | — | $100.6K | 29 | — | |
| William M. Moore | Director | — | $50.4K | 4 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Shih-Yao David Lin 10% owner | Purchase | 570,184 | $1.05 | $597.9K | 570,184 | |
traded | Shih-Yao David Lin 10% owner | Purchase | 266,068 | $1.03 | $273.6K | 836,252 | |
traded | Shih-Yao David Lin 10% owner | Purchase | 350,557 | $1.25 | $438.8K | 1,186,809 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 7,900 | $0.63 | $5.0K | 185,306 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,354 | $0.65 | $1.5K | 177,406 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 5,100 | $0.68 | $3.5K | 175,052 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 6,668 | $0.75 | $5.0K | 164,584 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 975 | $1.14 | $1.1K | 135,975 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,675 | $1.14 | $1.9K | 135,000 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,400 | $1.12 | $2.7K | 133,325 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,521 | $1.15 | $2.9K | 130,925 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,400 | $1.17 | $2.8K | 128,404 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 5,004 | $1.00 | $5.0K | 126,004 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,110 | $1.26 | $1.4K | 121,000 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,200 | $1.34 | $2.9K | 118,690 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,500 | $1.43 | $2.1K | 117,690 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,000 | $1.46 | $1.5K | 116,190 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,500 | $1.38 | $3.4K | 115,190 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,101 | $1.44 | $1.6K | 112,690 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,300 | $1.46 | $1.9K | 111,589 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 3,385 | $1.48 | $5.0K | 110,289 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,243 | $1.52 | $1.9K | 106,904 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 5,221 | $1.48 | $7.7K | 105,661 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 4,259 | $1.50 | $6.4K | 98,690 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 3,496 | $1.43 | $5.0K | 96,181 | |
traded | William M. Moore Director | Purchase | 2,000 | $1.01 | $2.0K | 251,550 | |
traded | William M. Moore Director | Purchase | 20,000 | — | — | 249,550 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,365 | $0.97 | $2.3K | 92,685 | |
traded | William M. Moore Director | Purchase | 30,000 | — | — | 280,674 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,584 | $0.95 | $1.5K | 89,056 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 5,760 | $0.96 | $5.5K | 88,736 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 1,000 | $0.96 | $960 | 82,976 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 2,133 | $0.94 | $2.0K | 81,976 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 3,124 | $0.96 | $3.0K | 79,843 | |
traded | William M. Moore Director | Purchase | 50,000 | $0.97 | $48.3K | 250,674 | |
traded | Romeo R. Dizon Chief Financial Officer | Purchase | 14,769 | $0.88 | $13.0K | 76,719 |
GET /stocks/filings/vX/form-4?tickers=IRIX&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"IRIX"
],
"issuer_cik": "0001006045",
"owner_cik": "0002098041",
"accession_number": "0001062993-26-005212",
"form_type": "4",
"filing_date": "2026-10-07",
"period_of_report": "2025-03-25",
"issuer_name": "IRIDEX CORP",
"issuer_trading_symbol": "IRIX",
"owner_name": "Lin Shih-Yao David",
"is_director": false,
"is_officer": false,
"is_ten_percent_owner": true,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2025-06-27",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 50000,
"transaction_price_per_share": 0.8874,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 675667,
"transaction_value": 44370,
"direct_or_indirect": "I",
"nature_of_ownership": "By Xinpo",
"footnotes": [
{
"id": "F2",
"description": "Each price marked with this footnote is a weighted average price for multiple open-market purchases on the stated date. The execution prices were as follows: 06/09/2025: $0.9832 to $0.9866, inclusive; 06/27/2025: $0.88 to $0.89, inclusive; 07/18/2025: $1.269236 to $1.28, inclusive; 11/14/2025: $0.87 to $0.88, inclusive. The Reporting Person undertakes to provide IRIDEX CORP, any security holder of IRIDEX CORP, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth above."
},
{
"id": "F1",
"description": "The shares are held directly by Xinpo Venture Capital Co., Ltd. (\"Xinpo\") and indirectly by the Reporting Person. The Reporting Person controls the entire ownership interest in Xinpo, both directly and through family members, and has a pecuniary interest in the shares held by Xinpo."
}
],
"remarks": "This Form 4 is the second of three Form 4 filings being filed solely by the Reporting Person to report previously unreported open-market purchases of the Issuer's Common Stock by Xinpo from March 25, 2025 through March 30, 2026. The transactions are divided among three Form 4 filings because SEC's EDGAR filing system permits no more than 30 entries in Table I. The Reporting Person's holdings through Novel Inspiration are disclosed in the Explanation of Responses solely to reconcile the Reporting Person's aggregate beneficial ownership and do not represent transactions reported on this Form 4. This Form 4 is being filed late."
},
{
"tickers": [
"IRIX"
],
"issuer_cik": "0001006045",
"owner_cik": "0002098041",
"accession_number": "0001062993-26-005212",
"form_type": "4",
"filing_date": "2026-10-07",
"period_of_report": "2025-03-25",
"issuer_name": "IRIDEX CORP",
"issuer_trading_symbol": "IRIX",
"owner_name": "Lin Shih-Yao David",
"is_director": false,
"is_officer": false,
"is_ten_percent_owner": true,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2025-07-11",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 7302,
"transaction_price_per_share": 1,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 685461,
"transaction_value": 7302,
"direct_or_indirect": "I",
"nature_of_ownership": "By Xinpo",
"footnotes": [
{
"id": "F1",
"description": "The shares are held directly by Xinpo Venture Capital Co., Ltd. (\"Xinpo\") and indirectly by the Reporting Person. The Reporting Person controls the entire ownership interest in Xinpo, both directly and through family members, and has a pecuniary interest in the shares held by Xinpo."
}
],
"remarks": "This Form 4 is the second of three Form 4 filings being filed solely by the Reporting Person to report previously unreported open-market purchases of the Issuer's Common Stock by Xinpo from March 25, 2025 through March 30, 2026. The transactions are divided among three Form 4 filings because SEC's EDGAR filing system permits no more than 30 entries in Table I. The Reporting Person's holdings through Novel Inspiration are disclosed in the Explanation of Responses solely to reconcile the Reporting Person's aggregate beneficial ownership and do not represent transactions reported on this Form 4. This Form 4 is being filed late."
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 12 records
- Tax withholding4 records
- Grants and awards2 records
- Other6 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Iridex Corp's CEO sold stock?
No. Patrick Mercer (CEO) made no open-market sales filed as CEO in the last 12 months.
How current is IRIX’s insider data?
These are IRIX Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
Build with AI
Track IRIX insider trades with your agent
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for IRIX every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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