LIN SHIH-YAO DAVID purchased 570.18K shares of IRIDEX CORP on the open market

Open‑market purchase worth $597.9K. The strongest form of insider conviction signal.

P · 30 purchases

LIN SHIH-YAO DAVID

Filed: 10/7/2026ACC: 0001062993-26-005210

InsiderLIN SHIH-YAO DAVIDCIK 2098041

→

IssuerIRIDEX CORPCIK 1006045

10% Owner

Since Mar 2025

+570.18K

Net shares

Net buyer

$597.9K

Total acquired

Open market trades

30B · 0S

Total transactions

570.18K acquired

Non-Derivative Transactions30

Common Stock

Indirect

P · Purchase

+5K

Price / share

$0.93

Trade value

$4.67K

% of position

New position

3/25/2025

0.00→5K

Common Stock

Indirect

P · Purchase

+8.83K

Price / share

$0.89

Trade value

$7.88K

% of position

176.7%

3/26/2025

5K→13.83K

Common Stock

Indirect

P · Purchase

+15K

Price / share

$0.89

Trade value

$13.35K

% of position

108.4%

4/4/2025

13.83K→28.83K

Common Stock

Indirect

P · Purchase

+10.67K

Price / share

$0.84

Trade value

$8.96K

% of position

37.0%

4/7/2025

28.83K→39.51K

Common Stock

Indirect

P · Purchase

+3K

Price / share

$0.85

Trade value

$2.55K

% of position

7.6%

4/8/2025

39.51K→42.50K

Common Stock

Indirect

P · Purchase

+6.23K

Price / share

$0.87

Trade value

$5.42K

% of position

14.6%

4/9/2025

42.50K→48.73K

Common Stock

Indirect

P · Purchase

+789.00

Price / share

$0.93

Trade value

$729.83

% of position

1.6%

4/10/2025

48.73K→49.52K

Common Stock

Indirect

P · Purchase

+879.00

Price / share

$0.97

Trade value

$852.63

% of position

1.8%

4/15/2025

49.52K→50.40K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$1.02

Trade value

$20.40K

% of position

39.7%

4/17/2025

50.40K→70.40K

Common Stock

Indirect

P · Purchase

+7.23K

Price / share

$1.02

Trade value

$7.37K

% of position

10.3%

4/21/2025

70.40K→77.63K

Common Stock

Indirect

P · Purchase

+1.23K

Price / share

$1.02

Trade value

$1.26K

% of position

1.6%

4/22/2025

77.63K→78.86K

Common Stock

Indirect

P · Purchase

+50K

Price / share

$1.20

Trade value

$60K

% of position

63.4%

4/24/2025

78.86K→128.86K

Common Stock

Indirect

P · Purchase

+6.25K

Price / share

$1.22

Trade value

$7.63K

% of position

4.9%

4/28/2025

128.86K→135.11K

Common Stock

Indirect

P · Purchase

+4.03K

Price / share

$1.18

Trade value

$4.76K

% of position

3.0%

4/30/2025

135.11K→139.14K

Common Stock

Indirect

P · Purchase

+11.77K

Price / share

$1.15

Trade value

$13.54K

% of position

8.5%

5/6/2025

139.14K→150.92K

Common Stock

Indirect

P · Purchase

+26.58K

Price / share

$1.16

Trade value

$30.82K

% of position

17.6%

5/7/2025

150.92K→177.50K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$1.15

Trade value

$23K

% of position

11.3%

5/8/2025

177.50K→197.50K

Common Stock

Indirect

P · Purchase

+851.00

Price / share

$1.15

Trade value

$978.65

% of position

0.4%

5/9/2025

197.50K→198.35K

Common Stock

Indirect

P · Purchase

+50K

Price / share

$1.16

Trade value

$57.98K

% of position

25.2%

5/12/2025

198.35K→248.35K

Common Stock

Indirect

P · Purchase

+50K

Price / share

$1.10

Trade value

$55K

% of position

20.1%

5/14/2025

248.35K→298.35K

Common Stock

Indirect

P · Purchase

+39.94K

Price / share

$1.00

Trade value

$39.94K

% of position

13.4%

5/15/2025

298.35K→338.29K

Common Stock

Indirect

P · Purchase

+3.18K

Price / share

$1.00

Trade value

$3.18K

% of position

0.9%

5/16/2025

338.29K→341.46K

Common Stock

Indirect

P · Purchase

+7.56K

Price / share

$1.01

Trade value

$7.64K

% of position

2.2%

5/19/2025

341.46K→349.02K

Common Stock

Indirect

P · Purchase

+20K

Price / share

$1.05

Trade value

$21K

% of position

5.7%

5/20/2025

349.02K→369.02K

Common Stock

Indirect

P · Purchase

+3.80K

Price / share

$1.02

Trade value

$3.88K

% of position

1.0%

5/21/2025

369.02K→372.82K

Common Stock

Indirect

P · Purchase

+80K

Price / share

$1.00

Trade value

$79.98K

% of position

21.5%

5/23/2025

372.82K→452.82K

Common Stock

Indirect

P · Purchase

+23.53K

Price / share

$0.94

Trade value

$22.11K

% of position

5.2%

5/28/2025

452.82K→476.35K

Common Stock

Indirect

P · Purchase

+3.72K

Price / share

$0.97

Trade value

$3.60K

% of position

0.8%

5/29/2025

476.35K→480.07K

Common Stock

Indirect

P · Purchase

+40.11K

Price / share

$1.00

Trade value

$40.11K

% of position

8.4%

6/2/2025

480.07K→520.18K

Common Stock

Indirect

P · Purchase

+50K

Price / share

$0.99

Trade value

$49.33K

% of position

9.6%

6/5/2025

520.18K→570.18K

Total

Net shares

+570.18K

Net value

$597.90K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	3/25/2025	P · Purchase	+5K	$0.93	$4.67K	New position	0.00	5K
Common Stock Indirect	3/26/2025	P · Purchase	+8.83K	$0.89	$7.88K	176.7%	5K	13.83K
Common Stock Indirect	4/4/2025	P · Purchase	+15K	$0.89	$13.35K	108.4%	13.83K	28.83K
Common Stock Indirect	4/7/2025	P · Purchase	+10.67K	$0.84	$8.96K	37.0%	28.83K	39.51K
Common Stock Indirect	4/8/2025	P · Purchase	+3K	$0.85	$2.55K	7.6%	39.51K	42.50K
Common Stock Indirect	4/9/2025	P · Purchase	+6.23K	$0.87	$5.42K	14.6%	42.50K	48.73K
Common Stock Indirect	4/10/2025	P · Purchase	+789.00	$0.93	$729.83	1.6%	48.73K	49.52K
Common Stock Indirect	4/15/2025	P · Purchase	+879.00	$0.97	$852.63	1.8%	49.52K	50.40K
Common Stock Indirect	4/17/2025	P · Purchase	+20K	$1.02	$20.40K	39.7%	50.40K	70.40K
Common Stock Indirect	4/21/2025	P · Purchase	+7.23K	$1.02	$7.37K	10.3%	70.40K	77.63K
Common Stock Indirect	4/22/2025	P · Purchase	+1.23K	$1.02	$1.26K	1.6%	77.63K	78.86K
Common Stock Indirect	4/24/2025	P · Purchase	+50K	$1.20	$60K	63.4%	78.86K	128.86K
Common Stock Indirect	4/28/2025	P · Purchase	+6.25K	$1.22	$7.63K	4.9%	128.86K	135.11K
Common Stock Indirect	4/30/2025	P · Purchase	+4.03K	$1.18	$4.76K	3.0%	135.11K	139.14K
Common Stock Indirect	5/6/2025	P · Purchase	+11.77K	$1.15	$13.54K	8.5%	139.14K	150.92K
Common Stock Indirect	5/7/2025	P · Purchase	+26.58K	$1.16	$30.82K	17.6%	150.92K	177.50K
Common Stock Indirect	5/8/2025	P · Purchase	+20K	$1.15	$23K	11.3%	177.50K	197.50K
Common Stock Indirect	5/9/2025	P · Purchase	+851.00	$1.15	$978.65	0.4%	197.50K	198.35K
Common Stock Indirect	5/12/2025	P · Purchase	+50K	$1.16	$57.98K	25.2%	198.35K	248.35K
Common Stock Indirect	5/14/2025	P · Purchase	+50K	$1.10	$55K	20.1%	248.35K	298.35K
Common Stock Indirect	5/15/2025	P · Purchase	+39.94K	$1.00	$39.94K	13.4%	298.35K	338.29K
Common Stock Indirect	5/16/2025	P · Purchase	+3.18K	$1.00	$3.18K	0.9%	338.29K	341.46K
Common Stock Indirect	5/19/2025	P · Purchase	+7.56K	$1.01	$7.64K	2.2%	341.46K	349.02K
Common Stock Indirect	5/20/2025	P · Purchase	+20K	$1.05	$21K	5.7%	349.02K	369.02K
Common Stock Indirect	5/21/2025	P · Purchase	+3.80K	$1.02	$3.88K	1.0%	369.02K	372.82K
Common Stock Indirect	5/23/2025	P · Purchase	+80K	$1.00	$79.98K	21.5%	372.82K	452.82K
Common Stock Indirect	5/28/2025	P · Purchase	+23.53K	$0.94	$22.11K	5.2%	452.82K	476.35K
Common Stock Indirect	5/29/2025	P · Purchase	+3.72K	$0.97	$3.60K	0.8%	476.35K	480.07K
Common Stock Indirect	6/2/2025	P · Purchase	+40.11K	$1.00	$40.11K	8.4%	480.07K	520.18K
Common Stock Indirect	6/5/2025	P · Purchase	+50K	$0.99	$49.33K	9.6%	520.18K	570.18K
Total			+570.18K		$597.90K

Derivative Transactions0

No derivative transactions reported