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person · Reporting owner

Lin Shih-Yao David

Disclosed activity across 1 company

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31520
SEC CIK
0002098041

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
IRIDEX CORPIRIX · Entity 788210% ownerOctober 02, 2026October 13, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

IRIDEX CORP

Report date October 02, 2026 · Filed October 13, 2026

Jointly reported with Novel Inspiration International Co., Ltd.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect697,742 Reported balance After 2026-10-02 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2026-10-02 · Other · Acquired 146,313 · Balance 697,742

F1: This Form 4 is filed jointly by Novel Inspiration International Co., Ltd. ("Novel Inspiration") and Shih-Yao David Lin. Mr. Lin is the sole officer, director and stockholder of Novel Inspiration.

F2: The shares were issued as a quarterly interest payment on the Convertible Promissory Note issued March 19, 2025 by the Issuer to Novel Inspiration.

F3: The shares are owned directly by Novel Inspiration.

Filing footnotes · ownership attribution and instrument terms

F1: This Form 4 is filed jointly by Novel Inspiration International Co., Ltd. ("Novel Inspiration") and Shih-Yao David Lin. Mr. Lin is the sole officer, director and stockholder of Novel Inspiration.

F2: The shares were issued as a quarterly interest payment on the Convertible Promissory Note issued March 19, 2025 by the Issuer to Novel Inspiration.

F3: The shares are owned directly by Novel Inspiration.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
July 29, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 20,000 $1.52 $30,400.00
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 15

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 725,461

F1 · ownership.nature: 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.

Read SEC document
July 18, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 20,000 $1.28 $25,564.00
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 14

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 705,461

F2 · price: 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.

F1 · ownership.nature: 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.

Read SEC document
July 11, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 7,302 $1.00 $7,302.00
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 13

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 685,461

F1 · ownership.nature: 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.

Read SEC document
July 09, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 2,139 $0.98 $2,085.53
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 12

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 678,159

F1 · ownership.nature: 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.

Read SEC document
July 01, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 100 $0.88 $88.00
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 11

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 676,020

F1 · ownership.nature: 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.

Read SEC document
July 01, 2025 Filed Jan 8, 2026 21:31 UTC IRIDEX CORP IRIX · Entity 7882 OtherCommon Stock 137,333 Not disclosed Not disclosed
Disclosure

SEC source: 0002097627-26-000009 · form4-01082026_090158.xml · nonDerivative · entry 1

Novel Inspiration International Co., Ltd. · CIK 0002097627 · 10% owner

Lin Shih-Yao David · CIK 0002098041 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,333

F1 · security: This Form 4 is filed jointly by Novel Inspiration International Co., Ltd. ("Novel Inspiration") and Shih-Yao David Lin. Mr. Lin is the sole officer, director and stockholder of Novel Inspiration.

F2 · kind: The shares were issued as a quarterly interest payment on the Convertible Promissory Note issued March 19, 2025 by the Issuer to Novel Inspiration.

F2 · price: The shares were issued as a quarterly interest payment on the Convertible Promissory Note issued March 19, 2025 by the Issuer to Novel Inspiration.

F3 · ownership.direct: The shares are owned directly by Novel Inspiration.

Read SEC document
June 30, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 253 $0.88 $222.64
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 10

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 675,920

F1 · ownership.nature: 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.

Read SEC document
June 27, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 50,000 $0.89 $44,370.00
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 9

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 675,667

F2 · price: 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.

F1 · ownership.nature: 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.

Read SEC document
June 23, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 1,192 $0.95 $1,132.40
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 8

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 625,667

F1 · ownership.nature: 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.

Read SEC document
June 18, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 3,744 $0.97 $3,645.53
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 7

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 624,475

F1 · ownership.nature: 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.

Read SEC document
June 17, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 101 $0.97 $97.47
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 6

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 620,731

F1 · ownership.nature: 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.

Read SEC document
June 16, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 14,712 $0.94 $13,830.75
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 5

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 620,630

F1 · ownership.nature: 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.

Read SEC document
June 13, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 1,582 $0.94 $1,487.24
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 4

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 605,918

F1 · ownership.nature: 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.

Read SEC document
June 12, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 236 $0.94 $221.86
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 3

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 604,336

F1 · ownership.nature: 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.

Read SEC document
June 09, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 15,755 $0.99 $15,534.43
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 2

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 604,100

F2 · price: 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.

F1 · ownership.nature: 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.

Read SEC document
June 06, 2025 Filed Oct 7, 2026 10:08 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 18,161 $0.97 $17,616.17
Disclosure

SEC source: 0001062993-26-005212 · form4.xml · nonDerivative · entry 1

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 588,345

F1 · ownership.nature: 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.

Read SEC document
June 05, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 50,000 $0.99 $49,330.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 30

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 570,184

F3 · balance_after: The amount reported in Column 5 reflects the shares held through Xinpo following the reported transaction. As of the date of this report, the Reporting Person beneficially owns an aggregate of 1,738,238 shares of Common Stock, consisting of 1,186,809 shares held through Xinpo and 551,429 shares held through Novel Inspiration International Co., Ltd.("Novel Inspiration"). The Reporting Person is the sole officer, director and stockholder of Novel Inspiration.

F1 · ownership.nature: 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.

Read SEC document
June 02, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 40,114 $1.00 $40,114.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 29

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 520,184

F1 · ownership.nature: 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.

Read SEC document
May 29, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 3,719 $0.97 $3,599.99
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 28

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 480,070

F1 · ownership.nature: 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.

Read SEC document
May 28, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 23,526 $0.94 $22,114.44
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 27

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 476,351

F1 · ownership.nature: 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.

Read SEC document
May 23, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 80,000 $1.00 $79,984.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 26

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 452,825

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

Read SEC document
May 21, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 3,802 $1.02 $3,878.04
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 25

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 372,825

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

Read SEC document
May 20, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 20,000 $1.05 $20,998.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 24

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 369,023

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

Read SEC document
May 19, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 7,562 $1.01 $7,637.62
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 23

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 349,023

F1 · ownership.nature: 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.

Read SEC document
May 16, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 3,176 $1.00 $3,176.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 22

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 341,461

F1 · ownership.nature: 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.

Read SEC document
May 15, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 39,937 $1.00 $39,937.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 21

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 338,285

F1 · ownership.nature: 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.

Read SEC document
May 14, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 50,000 $1.10 $55,000.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 20

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 298,348

F1 · ownership.nature: 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.

Read SEC document
May 12, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 50,000 $1.16 $57,975.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 19

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 248,348

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

Read SEC document
May 09, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 851 $1.15 $978.65
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 18

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 198,348

F1 · ownership.nature: 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.

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May 08, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 20,000 $1.15 $23,000.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 17

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 197,497

F1 · ownership.nature: 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.

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May 07, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 26,581 $1.16 $30,815.35
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 16

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 177,497

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

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May 06, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 11,773 $1.15 $13,538.95
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 15

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 150,916

F1 · ownership.nature: 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.

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April 30, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 4,032 $1.18 $4,757.76
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 14

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 139,143

F1 · ownership.nature: 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.

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April 28, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 6,253 $1.22 $7,628.66
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 13

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 135,111

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

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April 24, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 50,000 $1.20 $60,000.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 12

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 128,858

F1 · ownership.nature: 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.

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April 22, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 1,231 $1.02 $1,255.62
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 11

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 78,858

F1 · ownership.nature: 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.

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April 21, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 7,230 $1.02 $7,374.60
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 10

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 77,627

F1 · ownership.nature: 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.

Read SEC document
April 17, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 20,000 $1.02 $20,400.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 9

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 70,397

F1 · ownership.nature: 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.

Read SEC document
April 15, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 879 $0.97 $852.63
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 8

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 50,397

F1 · ownership.nature: 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.

Read SEC document
April 10, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 789 $0.93 $729.83
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 7

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 49,518

F1 · ownership.nature: 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.

Read SEC document
April 09, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 6,226 $0.87 $5,416.62
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 6

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 48,729

F1 · ownership.nature: 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.

Read SEC document
April 08, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 2,995 $0.85 $2,545.75
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 5

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 42,503

F1 · ownership.nature: 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.

Read SEC document
April 07, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 10,674 $0.84 $8,960.82
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 4

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 39,508

F1 · ownership.nature: 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.

Read SEC document
April 04, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 15,000 $0.89 $13,348.50
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 3

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 28,834

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

Read SEC document
March 26, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 8,834 $0.89 $7,881.69
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 2

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 13,834

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F1 · ownership.nature: 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.

Read SEC document
March 25, 2025 Filed Oct 7, 2026 10:04 UTC IRIDEX CORP IRIX · Entity 7882 PurchaseCommon Stock 5,000 $0.93 $4,673.00
Disclosure

SEC source: 0001062993-26-005210 · form4.xml · nonDerivative · entry 1

Lin Shih-Yao David · CIK 0002098041 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Xinpo

Disclosed balance after: 5,000

F2 · price: 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: 03/25/2025: $0.931 to $0.94, inclusive; 03/26/2025: $0.8875 to $0.893, inclusive; 04/04/2025: $0.885 to $0.89, inclusive; 04/28/2025: $1.22 per share; 05/07/2025: $1.15 to $1.16, inclusive; 05/12/2025: $1.159 to $1.16, inclusive; 05/20/2025: $1.0498 to $1.05, inclusive; 05/21/2025: $1.02 per share; 05/23/2025: $0.9998 to $1, 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.

F3 · balance_after: The amount reported in Column 5 reflects the shares held through Xinpo following the reported transaction. As of the date of this report, the Reporting Person beneficially owns an aggregate of 1,738,238 shares of Common Stock, consisting of 1,186,809 shares held through Xinpo and 551,429 shares held through Novel Inspiration International Co., Ltd.("Novel Inspiration"). The Reporting Person is the sole officer, director and stockholder of Novel Inspiration.

F1 · ownership.nature: 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.