LIN SHIH-YAO DAVID purchased 41.9% of their position (350.56K shares) of IRIDEX CORP on the open market

Open‑market purchase worth $438.8K — a major conviction buy. The strongest form of insider conviction signal.

P · 30 purchases

LIN SHIH-YAO DAVID

Filed: 10/7/2026ACC: 0001062993-26-005214

InsiderLIN SHIH-YAO DAVIDCIK 2098041

→

IssuerIRIDEX CORPCIK 1006045

10% Owner

Since Mar 2025

+350.56K

Net shares

Net buyer

$438.8K

Total acquired

Open market trades

30B · 0S

Total transactions

350.56K acquired

Non-Derivative Transactions30

Common Stock

Indirect

P · Purchase

+244.00

Price / share

$0.93

Trade value

$226.92

% of position

0.0%

12/3/2025

836.25K→836.50K

Common Stock

Indirect

P · Purchase

+10.26K

Price / share

$0.94

Trade value

$9.64K

% of position

1.2%

12/5/2025

836.50K→846.76K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$0.94

Trade value

$18.80K

% of position

2.4%

12/9/2025

846.76K→866.76K

Common Stock

Indirect

P · Purchase

+18.89K

Price / share

$0.94

Trade value

$17.66K

% of position

2.2%

12/10/2025

866.76K→885.65K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$0.97

Trade value

$19.40K

% of position

2.3%

12/12/2025

885.65K→905.65K

Common Stock

Indirect

P · Purchase

+11.40K

Price / share

$0.94

Trade value

$10.72K

% of position

1.3%

12/15/2025

905.65K→917.05K

Common Stock

Indirect

P · Purchase

+7.67K

Price / share

$0.99

Trade value

$7.60K

% of position

0.8%

12/16/2025

917.05K→924.73K

Common Stock

Indirect

P · Purchase

+14.20K

Price / share

$0.97

Trade value

$13.78K

% of position

1.5%

12/19/2025

924.73K→938.93K

Common Stock

Indirect

P · Purchase

+4.03K

Price / share

$1.00

Trade value

$4.03K

% of position

0.4%

12/22/2025

938.93K→942.96K

Common Stock

Indirect

P · Purchase

+7.01K

Price / share

$1.15

Trade value

$8.06K

% of position

0.7%

12/30/2025

942.96K→949.97K

Common Stock

Indirect

P · Purchase

+1.33K

Price / share

$1.19

Trade value

$1.58K

% of position

0.1%

1/7/2026

949.97K→951.30K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$1.20

Trade value

$24K

% of position

2.1%

1/8/2026

951.30K→971.30K

Common Stock

Indirect

P · Purchase

+30K

Price / share

$1.48

Trade value

$44.39K

% of position

3.1%

1/23/2026

971.30K→1M

Common Stock

Indirect

P · Purchase

+33.01K

Price / share

$1.48

Trade value

$49.01K

% of position

3.3%

1/27/2026

1M→1.03M

Common Stock

Indirect

P · Purchase

+4.05K

Price / share

$1.48

Trade value

$5.99K

% of position

0.4%

1/30/2026

1.03M→1.04M

Common Stock

Indirect

P · Purchase

+637.00

Price / share

$1.49

Trade value

$949.13

% of position

0.1%

2/2/2026

1.04M→1.04M

Common Stock

Indirect

P · Purchase

+19.32K

Price / share

$1.41

Trade value

$27.25K

% of position

1.9%

2/4/2026

1.04M→1.06M

Common Stock

Indirect

P · Purchase

+40.53K

Price / share

$1.45

Trade value

$58.76K

% of position

3.8%

2/5/2026

1.06M→1.10M

Common Stock

Indirect

P · Purchase

+129.00

Price / share

$1.46

Trade value

$188.34

% of position

0.0%

2/9/2026

1.10M→1.10M

Common Stock

Indirect

P · Purchase

+15.70K

Price / share

$1.43

Trade value

$22.46K

% of position

1.4%

2/11/2026

1.10M→1.11M

Common Stock

Indirect

P · Purchase

+100.00

Price / share

$1.38

Trade value

$138.00

% of position

0.0%

2/12/2026

1.11M→1.11M

Common Stock

Indirect

P · Purchase

+14.94K

Price / share

$1.41

Trade value

$21.07K

% of position

1.3%

2/23/2026

1.11M→1.13M

Common Stock

Indirect

P · Purchase

+1.42K

Price / share

$1.40

Trade value

$1.99K

% of position

0.1%

3/2/2026

1.13M→1.13M

Common Stock

Indirect

P · Purchase

+752.00

Price / share

$1.42

Trade value

$1.07K

% of position

0.1%

3/3/2026

1.13M→1.13M

Common Stock

Indirect

P · Purchase

+967.00

Price / share

$1.32

Trade value

$1.28K

% of position

0.1%

3/12/2026

1.13M→1.13M

Common Stock

Indirect

P · Purchase

+1.68K

Price / share

$1.30

Trade value

$2.19K

% of position

0.1%

3/16/2026

1.13M→1.13M

Common Stock

Indirect

P · Purchase

+22.80K

Price / share

$1.31

Trade value

$29.87K

% of position

2.0%

3/17/2026

1.13M→1.16M

Common Stock

Indirect

P · Purchase

+17.53K

Price / share

$1.33

Trade value

$23.31K

% of position

1.5%

3/23/2026

1.16M→1.17M

Common Stock

Indirect

P · Purchase

+4.55K

Price / share

$1.33

Trade value

$6.05K

% of position

0.4%

3/24/2026

1.17M→1.18M

Common Stock

Indirect

P · Purchase

+7.37K

Price / share

$0.99

Trade value

$7.30K

% of position

0.6%

3/30/2026

1.18M→1.19M

Total

Net shares

+350.56K

Net value

$438.76K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	12/3/2025	P · Purchase	+244.00	$0.93	$226.92	0.0%	836.25K	836.50K
Common Stock Indirect	12/5/2025	P · Purchase	+10.26K	$0.94	$9.64K	1.2%	836.50K	846.76K
Common Stock Indirect	12/9/2025	P · Purchase	+20K	$0.94	$18.80K	2.4%	846.76K	866.76K
Common Stock Indirect	12/10/2025	P · Purchase	+18.89K	$0.94	$17.66K	2.2%	866.76K	885.65K
Common Stock Indirect	12/12/2025	P · Purchase	+20K	$0.97	$19.40K	2.3%	885.65K	905.65K
Common Stock Indirect	12/15/2025	P · Purchase	+11.40K	$0.94	$10.72K	1.3%	905.65K	917.05K
Common Stock Indirect	12/16/2025	P · Purchase	+7.67K	$0.99	$7.60K	0.8%	917.05K	924.73K
Common Stock Indirect	12/19/2025	P · Purchase	+14.20K	$0.97	$13.78K	1.5%	924.73K	938.93K
Common Stock Indirect	12/22/2025	P · Purchase	+4.03K	$1.00	$4.03K	0.4%	938.93K	942.96K
Common Stock Indirect	12/30/2025	P · Purchase	+7.01K	$1.15	$8.06K	0.7%	942.96K	949.97K
Common Stock Indirect	1/7/2026	P · Purchase	+1.33K	$1.19	$1.58K	0.1%	949.97K	951.30K
Common Stock Indirect	1/8/2026	P · Purchase	+20K	$1.20	$24K	2.1%	951.30K	971.30K
Common Stock Indirect	1/23/2026	P · Purchase	+30K	$1.48	$44.39K	3.1%	971.30K	1M
Common Stock Indirect	1/27/2026	P · Purchase	+33.01K	$1.48	$49.01K	3.3%	1M	1.03M
Common Stock Indirect	1/30/2026	P · Purchase	+4.05K	$1.48	$5.99K	0.4%	1.03M	1.04M
Common Stock Indirect	2/2/2026	P · Purchase	+637.00	$1.49	$949.13	0.1%	1.04M	1.04M
Common Stock Indirect	2/4/2026	P · Purchase	+19.32K	$1.41	$27.25K	1.9%	1.04M	1.06M
Common Stock Indirect	2/5/2026	P · Purchase	+40.53K	$1.45	$58.76K	3.8%	1.06M	1.10M
Common Stock Indirect	2/9/2026	P · Purchase	+129.00	$1.46	$188.34	0.0%	1.10M	1.10M
Common Stock Indirect	2/11/2026	P · Purchase	+15.70K	$1.43	$22.46K	1.4%	1.10M	1.11M
Common Stock Indirect	2/12/2026	P · Purchase	+100.00	$1.38	$138.00	0.0%	1.11M	1.11M
Common Stock Indirect	2/23/2026	P · Purchase	+14.94K	$1.41	$21.07K	1.3%	1.11M	1.13M
Common Stock Indirect	3/2/2026	P · Purchase	+1.42K	$1.40	$1.99K	0.1%	1.13M	1.13M
Common Stock Indirect	3/3/2026	P · Purchase	+752.00	$1.42	$1.07K	0.1%	1.13M	1.13M
Common Stock Indirect	3/12/2026	P · Purchase	+967.00	$1.32	$1.28K	0.1%	1.13M	1.13M
Common Stock Indirect	3/16/2026	P · Purchase	+1.68K	$1.30	$2.19K	0.1%	1.13M	1.13M
Common Stock Indirect	3/17/2026	P · Purchase	+22.80K	$1.31	$29.87K	2.0%	1.13M	1.16M
Common Stock Indirect	3/23/2026	P · Purchase	+17.53K	$1.33	$23.31K	1.5%	1.16M	1.17M
Common Stock Indirect	3/24/2026	P · Purchase	+4.55K	$1.33	$6.05K	0.4%	1.17M	1.18M
Common Stock Indirect	3/30/2026	P · Purchase	+7.37K	$0.99	$7.30K	0.6%	1.18M	1.19M
Total			+350.56K		$438.76K

Derivative Transactions0

No derivative transactions reported