LIN SHIH-YAO DAVID purchased 46.7% of their position (266.07K shares) of IRIDEX CORP on the open market

Open‑market purchase worth $273.6K — a major conviction buy. The strongest form of insider conviction signal.

P · 30 purchases

LIN SHIH-YAO DAVID

Filed: 10/7/2026ACC: 0001062993-26-005212

InsiderLIN SHIH-YAO DAVIDCIK 2098041

→

IssuerIRIDEX CORPCIK 1006045

10% Owner

Since Mar 2025

+266.07K

Net shares

Net buyer

$273.6K

Total acquired

Open market trades

30B · 0S

Total transactions

266.07K acquired

Non-Derivative Transactions30

Common Stock

Indirect

P · Purchase

+18.16K

Price / share

$0.97

Trade value

$17.62K

% of position

3.2%

6/6/2025

570.18K→588.35K

Common Stock

Indirect

P · Purchase

+15.76K

Price / share

$0.99

Trade value

$15.53K

% of position

2.7%

6/9/2025

588.35K→604.10K

Common Stock

Indirect

P · Purchase

+236.00

Price / share

$0.94

Trade value

$221.86

% of position

0.0%

6/12/2025

604.10K→604.34K

Common Stock

Indirect

P · Purchase

+1.58K

Price / share

$0.94

Trade value

$1.49K

% of position

0.3%

6/13/2025

604.34K→605.92K

Common Stock

Indirect

P · Purchase

+14.71K

Price / share

$0.94

Trade value

$13.83K

% of position

2.4%

6/16/2025

605.92K→620.63K

Common Stock

Indirect

P · Purchase

+101.00

Price / share

$0.96

Trade value

$97.47

% of position

0.0%

6/17/2025

620.63K→620.73K

Common Stock

Indirect

P · Purchase

+3.74K

Price / share

$0.97

Trade value

$3.65K

% of position

0.6%

6/18/2025

620.73K→624.48K

Common Stock

Indirect

P · Purchase

+1.19K

Price / share

$0.95

Trade value

$1.13K

% of position

0.2%

6/23/2025

624.48K→625.67K

Common Stock

Indirect

P · Purchase

+50K

Price / share

$0.89

Trade value

$44.37K

% of position

8.0%

6/27/2025

625.67K→675.67K

Common Stock

Indirect

P · Purchase

+253.00

Price / share

$0.88

Trade value

$222.64

% of position

0.0%

6/30/2025

675.67K→675.92K

Common Stock

Indirect

P · Purchase

+100.00

Price / share

$0.88

Trade value

$88.00

% of position

0.0%

7/1/2025

675.92K→676.02K

Common Stock

Indirect

P · Purchase

+2.14K

Price / share

$0.97

Trade value

$2.09K

% of position

0.3%

7/9/2025

676.02K→678.16K

Common Stock

Indirect

P · Purchase

+7.30K

Price / share

$1.00

Trade value

$7.30K

% of position

1.1%

7/11/2025

678.16K→685.46K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$1.28

Trade value

$25.56K

% of position

2.9%

7/18/2025

685.46K→705.46K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$1.52

Trade value

$30.40K

% of position

2.8%

7/29/2025

705.46K→725.46K

Common Stock

Indirect

P · Purchase

+100.00

Price / share

$1.05

Trade value

$105.00

% of position

0.0%

10/14/2025

725.46K→725.56K

Common Stock

Indirect

P · Purchase

+10K

Price / share

$1.05

Trade value

$10.50K

% of position

1.4%

10/16/2025

725.56K→735.56K

Common Stock

Indirect

P · Purchase

+422.00

Price / share

$1.04

Trade value

$438.88

% of position

0.1%

10/20/2025

735.56K→735.98K

Common Stock

Indirect

P · Purchase

+10K

Price / share

$1.08

Trade value

$10.80K

% of position

1.4%

10/21/2025

735.98K→745.98K

Common Stock

Indirect

P · Purchase

+6.12K

Price / share

$1.06

Trade value

$6.49K

% of position

0.8%

10/22/2025

745.98K→752.10K

Common Stock

Indirect

P · Purchase

+10K

Price / share

$1.09

Trade value

$10.90K

% of position

1.3%

10/27/2025

752.10K→762.10K

Common Stock

Indirect

P · Purchase

+1.50K

Price / share

$1.04

Trade value

$1.56K

% of position

0.2%

11/6/2025

762.10K→763.60K

Common Stock

Indirect

P · Purchase

+115.00

Price / share

$1.04

Trade value

$119.60

% of position

0.0%

11/7/2025

763.60K→763.71K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$1.04

Trade value

$20.80K

% of position

2.6%

11/12/2025

763.71K→783.71K

Common Stock

Indirect

P · Purchase

+24.63K

Price / share

$0.88

Trade value

$21.62K

% of position

3.1%

11/14/2025

783.71K→808.34K

Common Stock

Indirect

P · Purchase

+925.00

Price / share

$0.94

Trade value

$869.50

% of position

0.1%

11/20/2025

808.34K→809.26K

Common Stock

Indirect

P · Purchase

+69.00

Price / share

$0.91

Trade value

$62.79

% of position

0.0%

11/25/2025

809.26K→809.33K

Common Stock

Indirect

P · Purchase

+3.03K

Price / share

$0.93

Trade value

$2.82K

% of position

0.4%

11/26/2025

809.33K→812.37K

Common Stock

Indirect

P · Purchase

+3.88K

Price / share

$0.96

Trade value

$3.73K

% of position

0.5%

11/28/2025

812.37K→816.25K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$0.96

Trade value

$19.20K

% of position

2.5%

12/1/2025

816.25K→836.25K

Total

Net shares

+266.07K

Net value

$273.61K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	6/6/2025	P · Purchase	+18.16K	$0.97	$17.62K	3.2%	570.18K	588.35K
Common Stock Indirect	6/9/2025	P · Purchase	+15.76K	$0.99	$15.53K	2.7%	588.35K	604.10K
Common Stock Indirect	6/12/2025	P · Purchase	+236.00	$0.94	$221.86	0.0%	604.10K	604.34K
Common Stock Indirect	6/13/2025	P · Purchase	+1.58K	$0.94	$1.49K	0.3%	604.34K	605.92K
Common Stock Indirect	6/16/2025	P · Purchase	+14.71K	$0.94	$13.83K	2.4%	605.92K	620.63K
Common Stock Indirect	6/17/2025	P · Purchase	+101.00	$0.96	$97.47	0.0%	620.63K	620.73K
Common Stock Indirect	6/18/2025	P · Purchase	+3.74K	$0.97	$3.65K	0.6%	620.73K	624.48K
Common Stock Indirect	6/23/2025	P · Purchase	+1.19K	$0.95	$1.13K	0.2%	624.48K	625.67K
Common Stock Indirect	6/27/2025	P · Purchase	+50K	$0.89	$44.37K	8.0%	625.67K	675.67K
Common Stock Indirect	6/30/2025	P · Purchase	+253.00	$0.88	$222.64	0.0%	675.67K	675.92K
Common Stock Indirect	7/1/2025	P · Purchase	+100.00	$0.88	$88.00	0.0%	675.92K	676.02K
Common Stock Indirect	7/9/2025	P · Purchase	+2.14K	$0.97	$2.09K	0.3%	676.02K	678.16K
Common Stock Indirect	7/11/2025	P · Purchase	+7.30K	$1.00	$7.30K	1.1%	678.16K	685.46K
Common Stock Indirect	7/18/2025	P · Purchase	+20K	$1.28	$25.56K	2.9%	685.46K	705.46K
Common Stock Indirect	7/29/2025	P · Purchase	+20K	$1.52	$30.40K	2.8%	705.46K	725.46K
Common Stock Indirect	10/14/2025	P · Purchase	+100.00	$1.05	$105.00	0.0%	725.46K	725.56K
Common Stock Indirect	10/16/2025	P · Purchase	+10K	$1.05	$10.50K	1.4%	725.56K	735.56K
Common Stock Indirect	10/20/2025	P · Purchase	+422.00	$1.04	$438.88	0.1%	735.56K	735.98K
Common Stock Indirect	10/21/2025	P · Purchase	+10K	$1.08	$10.80K	1.4%	735.98K	745.98K
Common Stock Indirect	10/22/2025	P · Purchase	+6.12K	$1.06	$6.49K	0.8%	745.98K	752.10K
Common Stock Indirect	10/27/2025	P · Purchase	+10K	$1.09	$10.90K	1.3%	752.10K	762.10K
Common Stock Indirect	11/6/2025	P · Purchase	+1.50K	$1.04	$1.56K	0.2%	762.10K	763.60K
Common Stock Indirect	11/7/2025	P · Purchase	+115.00	$1.04	$119.60	0.0%	763.60K	763.71K
Common Stock Indirect	11/12/2025	P · Purchase	+20K	$1.04	$20.80K	2.6%	763.71K	783.71K
Common Stock Indirect	11/14/2025	P · Purchase	+24.63K	$0.88	$21.62K	3.1%	783.71K	808.34K
Common Stock Indirect	11/20/2025	P · Purchase	+925.00	$0.94	$869.50	0.1%	808.34K	809.26K
Common Stock Indirect	11/25/2025	P · Purchase	+69.00	$0.91	$62.79	0.0%	809.26K	809.33K
Common Stock Indirect	11/26/2025	P · Purchase	+3.03K	$0.93	$2.82K	0.4%	809.33K	812.37K
Common Stock Indirect	11/28/2025	P · Purchase	+3.88K	$0.96	$3.73K	0.5%	812.37K	816.25K
Common Stock Indirect	12/1/2025	P · Purchase	+20K	$0.96	$19.20K	2.5%	816.25K	836.25K
Total			+266.07K		$273.61K

Derivative Transactions0

No derivative transactions reported