Shih-Yao David Lin

CIK: 0002098041

Transaction Breakdown

Open Market Buys (P)90 (100.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

IRIX

IRIDEX CORP

10% Owner

Discretionary Trading P&L

Holdings

Transaction History (90 total)

IRIX
IRIDEX CORP
Mar 30, 2026
Purchase(P)
Indirect
7.4K shares at avg. $0.99$7K
IRIX
IRIDEX CORP
Mar 24, 2026
Purchase(P)
Indirect
4.5K shares at avg. $1.33$6K
IRIX
IRIDEX CORP
Mar 23, 2026
Purchase(P)
Indirect
17.5K shares at avg. $1.33$23K
IRIX
IRIDEX CORP
Mar 17, 2026
Purchase(P)
Indirect
22.8K shares at avg. $1.31$30K
IRIX
IRIDEX CORP
Mar 16, 2026
Purchase(P)
Indirect
1.7K shares at avg. $1.30$2K
IRIX
IRIDEX CORP
Mar 12, 2026
Purchase(P)
Indirect
967 shares at avg. $1.32$1K
IRIX
IRIDEX CORP
Mar 3, 2026
Purchase(P)
Indirect
752 shares at avg. $1.42$1K
IRIX
IRIDEX CORP
Mar 2, 2026
Purchase(P)
Indirect
1.4K shares at avg. $1.40$2K
IRIX
IRIDEX CORP
Feb 23, 2026
Purchase(P)
Indirect
14.9K shares at avg. $1.41$21K
IRIX
IRIDEX CORP
Feb 12, 2026
Purchase(P)
Indirect
100 shares at avg. $1.38$138
IRIX
IRIDEX CORP
Feb 11, 2026
Purchase(P)
Indirect
15.7K shares at avg. $1.43$22K
IRIX
IRIDEX CORP
Feb 9, 2026
Purchase(P)
Indirect
129 shares at avg. $1.46$188.34
IRIX
IRIDEX CORP
Feb 5, 2026
Purchase(P)
Indirect
40.5K shares at avg. $1.45$59K
IRIX
IRIDEX CORP
Feb 4, 2026
Purchase(P)
Indirect
19.3K shares at avg. $1.41$27K
IRIX
IRIDEX CORP
Feb 2, 2026
Purchase(P)
Indirect
637 shares at avg. $1.49$949.13
IRIX
IRIDEX CORP
Jan 30, 2026
Purchase(P)
Indirect
4.1K shares at avg. $1.48$6K
IRIX
IRIDEX CORP
Jan 27, 2026
Purchase(P)
Indirect
33K shares at avg. $1.48$49K
IRIX
IRIDEX CORP
Jan 23, 2026
Purchase(P)
Indirect
30K shares at avg. $1.48$44K
IRIX
IRIDEX CORP
Jan 8, 2026
Purchase(P)
Indirect
20K shares at avg. $1.20$24K
IRIX
IRIDEX CORP
Jan 7, 2026
Purchase(P)
Indirect
1.3K shares at avg. $1.19$2K
IRIX
IRIDEX CORP
Dec 30, 2025
Purchase(P)
Indirect
7K shares at avg. $1.15$8K
IRIX
IRIDEX CORP
Dec 22, 2025
Purchase(P)
Indirect
4K shares at avg. $1.00$4K
IRIX
IRIDEX CORP
Dec 19, 2025
Purchase(P)
Indirect
14.2K shares at avg. $0.97$14K
IRIX
IRIDEX CORP
Dec 16, 2025
Purchase(P)
Indirect
7.7K shares at avg. $0.99$8K
IRIX
IRIDEX CORP
Dec 15, 2025
Purchase(P)
Indirect
11.4K shares at avg. $0.94$11K

		Type	Shares	Price		Ownership
Mar 30, 2026	IRIX IRIDEX CORP	Purchase(P)	7,371	$0.99	$7,297	Indirect
Mar 24, 2026	IRIX IRIDEX CORP	Purchase(P)	4,549	$1.33	$6,050	Indirect
Mar 23, 2026	IRIX IRIDEX CORP	Purchase(P)	17,526	$1.33	$23,310	Indirect
Mar 17, 2026	IRIX IRIDEX CORP	Purchase(P)	22,805	$1.31	$29,872	Indirect
Mar 16, 2026	IRIX IRIDEX CORP	Purchase(P)	1,682	$1.30	$2,187	Indirect
Mar 12, 2026	IRIX IRIDEX CORP	Purchase(P)	967	$1.32	$1,276	Indirect
Mar 3, 2026	IRIX IRIDEX CORP	Purchase(P)	752	$1.42	$1,068	Indirect
Mar 2, 2026	IRIX IRIDEX CORP	Purchase(P)	1,424	$1.40	$1,994	Indirect
Feb 23, 2026	IRIX IRIDEX CORP	Purchase(P)	14,943	$1.41	$21,070	Indirect
Feb 12, 2026	IRIX IRIDEX CORP	Purchase(P)	100	$1.38	$138	Indirect
Feb 11, 2026	IRIX IRIDEX CORP	Purchase(P)	15,703	$1.43	$22,455	Indirect
Feb 9, 2026	IRIX IRIDEX CORP	Purchase(P)	129	$1.46	$188	Indirect
Feb 5, 2026	IRIX IRIDEX CORP	Purchase(P)	40,535	$1.45	$58,755	Indirect
Feb 4, 2026	IRIX IRIDEX CORP	Purchase(P)	19,324	$1.41	$27,247	Indirect
Feb 2, 2026	IRIX IRIDEX CORP	Purchase(P)	637	$1.49	$949	Indirect
Jan 30, 2026	IRIX IRIDEX CORP	Purchase(P)	4,050	$1.48	$5,994	Indirect
Jan 27, 2026	IRIX IRIDEX CORP	Purchase(P)	33,013	$1.48	$49,014	Indirect
Jan 23, 2026	IRIX IRIDEX CORP	Purchase(P)	30,000	$1.48	$44,394	Indirect
Jan 8, 2026	IRIX IRIDEX CORP	Purchase(P)	20,000	$1.20	$24,000	Indirect
Jan 7, 2026	IRIX IRIDEX CORP	Purchase(P)	1,330	$1.19	$1,583	Indirect
Dec 30, 2025	IRIX IRIDEX CORP	Purchase(P)	7,009	$1.15	$8,060	Indirect
Dec 22, 2025	IRIX IRIDEX CORP	Purchase(P)	4,031	$1.00	$4,031	Indirect
Dec 19, 2025	IRIX IRIDEX CORP	Purchase(P)	14,202	$0.97	$13,776	Indirect
Dec 16, 2025	IRIX IRIDEX CORP	Purchase(P)	7,675	$0.99	$7,598	Indirect
Dec 15, 2025	IRIX IRIDEX CORP	Purchase(P)	11,404	$0.94	$10,720	Indirect

1-25 of 90 transactions

About Lin Shih-Yao David

Lin Shih-Yao David (SEC CIK 0002098041) files insider reports with the SEC as 10% Owner of IRIDEX CORP (IRIX).

Signal8 holds 3 ownership filings by Lin Shih-Yao David, all Form 4s, filed on Oct 7, 2026. Those filings report 90 transactions, from Mar 25, 2025 to Mar 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Lin Shih-Yao David's filings is in ROAD TOWN.

Recent filings by Lin Shih-Yao David

Mar 30, 2026: Open-market purchase of IRIX shares (Form 4, code P).
Mar 24, 2026: Open-market purchase of IRIX shares (Form 4, code P).
Mar 23, 2026: Open-market purchase of IRIX shares (Form 4, code P).
Mar 17, 2026: Open-market purchase of IRIX shares (Form 4, code P).
Mar 16, 2026: Open-market purchase of IRIX shares (Form 4, code P).

Other insiders filing for IRIDEX CORP (IRIX)

Novel Inspiration International Co., Ltd., 10% Owner
Mercer Patrick, President and CEO
Dizon Romeo R, Chief Financial Officer
MOORE WILLIAM M, Director
Shuda Scott, Director
HUSS BEVERLY A, Director

How to read Form 4 transaction codes