Photronics (PLAB) director’s foundation sells 50,000 common shares

Rhea-AI Filing Summary

Photronics Inc. director Constantine S. Macricostas reported an insider transaction involving company common stock. An entity associated with him, Macricostas Family Foundation Inc., sold 50,000 shares of Photronics common stock in an open-market sale at $45.35 per share. These shares were held indirectly through the foundation. After this activity, Macricostas’ direct ownership is reported at 410,895 shares of Photronics common stock.

Insider Trade Summary

Net Seller: 50,000 shares ($2,267,500)

Net Sell 2 txns

Insider MACRICOSTAS CONSTANTINE S

Role Director

Sold 50,000 shs ($2.27M)

Type	Security	Shares	Price	Value
Sale	COMMON STOCK	50,000	$45.35	$2.27M
holding	COMMON STOCK	--	--	--

Holdings After Transaction: COMMON STOCK — 0 shares (Indirect, By Macricostas Family Foundation Inc.); COMMON STOCK — 410,895 shares (Direct)

Footnotes (1)

Key Figures

Shares sold: 50,000 shares Sale price: $45.35 per share Direct holdings after transaction: 410,895 shares

3 metrics

Shares sold 50,000 shares Open-market sale of Photronics common stock

Sale price $45.35 per share Price for the 50,000-share open-market sale

Direct holdings after transaction 410,895 shares Common stock directly owned by Constantine S. Macricostas

Key Terms

open-market sale, indirect, direct ownership, Form 4

4 terms

open-market sale financial

"sold 50,000 shares of Photronics common stock in an open-market sale at $45.35 per share"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect financial

"These shares were held indirectly through the foundation"

direct ownership financial

"After this activity, Macricostas’ direct ownership is reported at 410,895 shares"

Form 4 regulatory

"as disclosed in the insider Form 4 filing"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MACRICOSTAS CONSTANTINE S

(Last) (First) (Middle)

15 SECOR ROAD

(Street)

BROOKFIELD CONNECTICUT 06804

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
PHOTRONICS INC [ PLAB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
COMMON STOCK	04/14/2026		S		50,000	D	$45.35	0	I	By Macricostas Family Foundation Inc.
COMMON STOCK								410,895	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/Brandon DeSocio, attorney-in-fact for Constantine S. Macricostas	04/14/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did PLAB director Constantine Macricostas report?

He reported an indirect sale of Photronics shares. Macricostas disclosed that Macricostas Family Foundation Inc. sold 50,000 shares of Photronics common stock in an open-market transaction at $45.35 per share, while his separate direct holdings remain intact.

Who actually sold the Photronics (PLAB) shares in this Form 4 filing?

The seller was Macricostas Family Foundation Inc. The 50,000 Photronics common shares were held indirectly through this foundation, which executed the open-market sale, rather than Constantine S. Macricostas personally disposing of directly held shares.

At what price were the Photronics (PLAB) shares sold in the reported transaction?

The reported sale price was $45.35 per share. Macricostas Family Foundation Inc. sold 50,000 shares of Photronics common stock at this price in an open-market transaction, as disclosed in the insider Form 4 filing.

How many Photronics (PLAB) shares does Constantine Macricostas hold after the sale?

His direct holdings are 410,895 shares. Following the reported indirect sale by Macricostas Family Foundation Inc., the Form 4 shows Constantine S. Macricostas directly owns 410,895 shares of Photronics common stock.

Does the Form 4 show any derivative securities for Photronics (PLAB)?

No derivative positions are listed in this filing. The derivative section is empty, indicating no options, warrants, or other derivative securities are reported for Constantine S. Macricostas in this particular Form 4.