Photronics director proposes sale of 10,000 shares

Fidelity Brokerage Services LLC is listed as broker, with Nasdaq identified as the exchange for the proposed sale.

Rhea-AI Filing Summary

Photronics Inc.'s officer and director Kang Jyh Lee, also identified as Frank K. Lee, reported a proposed sale of 10,000 common shares with an aggregate market value of $307,578.64 through Fidelity Brokerage Services LLC. The approximate sale date is September 29, 2026, on Nasdaq. Earlier reported sales were 10,000 shares for $297,000.00 on September 22, 2026, and 7,500 shares for $221,250.00 on September 24, 2026.

Key Figures

Proposed common shares: 10,000 shares Aggregate market value: $307,578.64 Shares outstanding: 58,997,167 shares +2 more

5 metrics

Proposed common shares 10,000 shares Proposed sale; approximate sale date September 29, 2026

Aggregate market value $307,578.64 Proposed sale

Shares outstanding 58,997,167 shares Issuer securities information

Reported prior sale 10,000 shares; $297,000.00 September 22, 2026

Reported prior sale 7,500 shares; $221,250.00 September 24, 2026

Key Terms

Rule 144, Stock Option Exercise, attorney-in-fact

3 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Stock Option Exercise financial

"Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

attorney-in-fact regulatory

"as attorney-in-fact for Frank K. Lee"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many PLAB shares does Kang Jyh Lee plan to sell?

Kang Jyh Lee, also identified as Frank K. Lee, reported a proposed sale of 10,000 common shares with an aggregate market value of $307,578.64. Fidelity Brokerage Services LLC is listed as broker, and Nasdaq is listed as the exchange.

What recent PLAB share sales did Kang Jyh Lee report?

The reported sales were 10,000 common shares for $297,000.00 on September 22, 2026, and 7,500 common shares for $221,250.00 on September 24, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/29/2026 - 12:57 PM Accepted by SEC EDGAR 09/29/2026 - 12:57 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001748668
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PHOTRONICS INC
SEC File Number	001-39063
Address of Issuer	15 SECOR ROAD PO BOX 5226 BROOKFIELD CONNECTICUT 06804
Phone	2037759000
Name of Person for Whose Account the Securities are To Be Sold	Lee Kang Jyh
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	10000	307578.64	58997167	09/29/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	12/19/2024	Stock Option Exercise	Issuer			10000	12/19/2024	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	09/22/2026	10000	297000.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	09/24/2026	7500	221250.00

144: Remarks and Signature

Remarks	Kang Jyh Lee and Frank K. Lee are one and the same person.
Date of Notice	09/29/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Frank K. Lee
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)