Constantine S. Macricostas

CIK: 0000900574

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (22.2%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (44.4%)

Compensation grants

Other (G, F, J, C, D, …)3 (33.3%)

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

Companies & Roles (1)

PLAB

PHOTRONICS INC

Director

Discretionary Trading P&L

Holdings

Transaction History (9 total)

PLAB
PHOTRONICS INC
Apr 14, 2026
Sale(S)
Indirect
50K shares at avg. $45.35$2.3M
PLAB
PHOTRONICS INC
Apr 13, 2026
Award(A)
Direct
3.7K shares-
PLAB
PHOTRONICS INC
Apr 2, 2026
Gift(G)
Direct
37K shares-
PLAB
PHOTRONICS INC
Apr 1, 2026
Gift(G)
Direct
13K shares-
PLAB
PHOTRONICS INC
Jan 3, 2026
Award(A)
Direct
1.3K shares-
PLAB
PHOTRONICS INC
Jul 2, 2025
Sale(S)
Indirect
29.5K shares at avg. $20.20$596K
PLAB
PHOTRONICS INC
Feb 20, 2025
Gift(G)
Direct
1K shares-
PLAB
PHOTRONICS INC
Feb 13, 2025
Award(A)
Direct
7.5K shares-
PLAB
PHOTRONICS INC
Feb 13, 2025
Award(A)
Direct
3.1K shares at avg. $22.52$70K

		Type	Shares	Price		Ownership
Apr 14, 2026	PLAB PHOTRONICS INC	Sale(S)	50,000	$45.35	$2,267,500	Indirect
Apr 13, 2026	PLAB PHOTRONICS INC	Award(A)	3,722	-	$0	Direct
Apr 2, 2026	PLAB PHOTRONICS INC	Gift(G)	37,000	-	$0	Direct
Apr 1, 2026	PLAB PHOTRONICS INC	Gift(G)	13,000	-	$0	Direct
Jan 3, 2026	PLAB PHOTRONICS INC	Award(A)	1,272	-	$0	Direct
Jul 2, 2025	PLAB PHOTRONICS INC	Sale(S)	29,500	$20.20	$595,900	Indirect
Feb 20, 2025	PLAB PHOTRONICS INC	Gift(G)	1,000	-	-	Direct
Feb 13, 2025	PLAB PHOTRONICS INC	Award(A)	7,548	-	-	Direct
Feb 13, 2025	PLAB PHOTRONICS INC	Award(A)	3,108	$22.52	$69,992	Direct

1-9 of 9 transactions

About MACRICOSTAS CONSTANTINE S

MACRICOSTAS CONSTANTINE S (SEC CIK 0000900574) files insider reports with the SEC as Director of PHOTRONICS INC (PLAB).

Signal8 holds 8 ownership filings by MACRICOSTAS CONSTANTINE S, all Form 4s, filed between Feb 14, 2025 and Apr 15, 2026. Those filings report 9 transactions, from Feb 13, 2025 to Apr 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on MACRICOSTAS CONSTANTINE S's filings is in BROOKFIELD, CT.

Recent filings by MACRICOSTAS CONSTANTINE S

Apr 14, 2026: Open-market sale of PLAB shares (Form 4, code S).
Apr 13, 2026: Grant or award of PLAB shares (Form 4, code A).
Apr 2, 2026: Gift of PLAB shares (Form 4, code G).
Apr 1, 2026: Gift of PLAB shares (Form 4, code G).
Jan 3, 2026: Grant or award of PLAB shares (Form 4, code A).

Other insiders filing for PHOTRONICS INC (PLAB)

Rivera Eric, President, CFO
ZHANG RUI, VP, CAO & Corporate Controller
Lee Kang Jyh, Director
Park Han Kyung, SVP & GM of FPD Ops
Paladino Mary, Director
Wang Hsueh-Chun, SVP/COO IC & US/EU Mnstrm Ops

How to read Form 4 transaction codes