SEC ownership of PHOTRONICS INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000810136.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

17 Apr 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
17 Apr 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000810136
Issuer location
Brookfield, CT

Ownership snapshot

Top shareholders of PHOTRONICS INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
17 Apr 2026
13F 13D/G 3/4/5 Lead comparable stake: 15% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 15%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 15%
Constantine S. Macricostas 0.71%
Kang Jyh Lee 0.61%
George Macricostas 0.58%
Christopher J. Progler 0.29%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
15%
from 13D/G
$379,331,094
9,387,060 shares
31 Mar 2026
Constantine S. Macricostas
3/4/5
Director
0.71%
$16,604,266
410,895 shares
-$2,863,400 14 Apr 2026
Kang Jyh Lee
3/4/5
Director
0.61%
$16,297,929
355,850 shares
-$8,347,588 16 Apr 2026
George Macricostas
3/4/5
CEO
0.58%
$14,331,517
334,068 shares
-$5,203,718 08 Apr 2026
Christopher J. Progler
3/4/5
EVP, Chief Technology Officer
0.29%
$5,924,845
165,591 shares
-$1,128,250 12 Dec 2025
Eric Rivera
3/4/5
President, CFO
0.23%
$6,096,465
136,173 shares
-$1,871,518 13 Apr 2026
Wang Hsueh-Chun
3/4/5
SVP/COO IC & US/EU Mnstrm Ops
0.2%
$5,144,268
113,560 shares
-$2,245,225 14 Apr 2026
Han Kyung Park
3/4/5
SVP & GM of FPD Ops
0.13%
$2,634,195
75,500 shares
-$1,323,175 13 Jan 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$25,897,588.

Buys
$210,700
Insiders: 1
Sells
$26,108,288
Insiders: 10
Net
-$25,897,588
Shares: -698,394
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 10,000 Shares: 708,394
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 336,144 $0 $14,743,538 -$14,743,538
3-6 0 133,750 $0 $4,689,825 -$4,689,825
6-9 0 160,250 $0 $5,027,175 -$5,027,175
9-12 10,000 78,250 $210,700 $1,647,750 -$1,437,050

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-19 of 19 reporting-owner rows connected to PHOTRONICS INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
19
Largest Forms 3/4/5 holder
Constantine S. Macricostas
Net 12M change
-$25,897,589
Latest report
17 Apr 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Constantine S. Macricostas Director $16,604,266 -$2,863,400 -15% Median 14 Apr 2026
Kang Jyh Lee Director $16,297,929 -$8,347,588 -34% Filing P/S 16 Apr 2026
George Macricostas Ceo $14,331,517 -$5,203,718 -27% Filing P/S 08 Apr 2026
Peter S. Kirlin Chief Executive Officer $13,056,259 Mixed 28 Feb 2022
Richelle E. Burr EVP, CAO, GC & Secretary $7,714,299 Mixed 20 May 2024
Eric Rivera President, CFO $6,096,465 -$1,871,518 -23% Filing P/S 13 Apr 2026
Christopher J. Progler EVP, Chief Technology Officer $5,924,845 -$1,128,250 -16% Filing P/S 12 Dec 2025
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops $5,144,268 -$2,245,225 -30% Filing P/S 14 Apr 2026
John P. Jordan Evp, Cfo $3,886,556 Mixed 23 Feb 2024
Daniel Jl Liao Director $2,929,886 Median 13 Apr 2026
Han Kyung Park SVP & GM of FPD Ops $2,634,195 -$1,323,175 -33% Filing P/S 13 Jan 2026
Mitchell G. Tyson Director $1,491,977 -$1,204,750 -45% Median 13 Apr 2026
Adam M. Lewis Director $1,405,944 Median 13 Apr 2026
Rui Zhang VP, CAO & Corporate Controller $1,264,589 -$288,977 -19% Filing P/S 17 Apr 2026
Todd Anthony Alesio Svp, Cao $625,597 Mixed 09 Feb 2026
David A. Garcia Director $613,908 Median 13 Apr 2026
Michelle Almeida Director $200,271 Median 13 Apr 2026
Walter M. Fiederowicz Former Director $88,970 Filing P/S 15 Apr 2025
Mary Paladino Director $51,401 -$1,420,988 -97% Median 17 Apr 2026

Recent insider transactions for PHOTRONICS INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Rui Zhang PLAB COMMON STOCK Sale -14.4% $212,765 $46.70 -4,556 27,079 17 Apr 2026 Direct
Mary Paladino PLAB COMMON STOCK Disposed to Issuer -94.7% -22,548 1,272 17 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -5.32% $918,500 $45.92 -20,000 355,850 16 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -2.59% $451,000 $45.10 -10,000 375,850 15 Apr 2026 Direct
Wang Hsueh-Chun PLAB COMMON STOCK Sale -14.5% $872,025 $45.30 -19,250 113,560 14 Apr 2026 Direct
Constantine S. Macricostas PLAB COMMON STOCK Sale -100% $2,267,500 $45.35 -50,000 0 14 Apr 2026 By Macricostas Family Foundation Inc.
Mitchell G. Tyson PLAB COMMON STOCK Award 11.2% 3,722 36,921 13 Apr 2026 Direct
David A. Garcia PLAB COMMON STOCK Award 32.4% 3,722 15,192 13 Apr 2026 Direct
Michelle Almeida PLAB COMMON STOCK Award 301.6% 3,722 4,956 13 Apr 2026 Direct
Daniel Jl Liao PLAB COMMON STOCK Award 5.41% 3,722 72,504 13 Apr 2026 Direct
Adam M. Lewis PLAB COMMON STOCK Award 12% 3,722 34,792 13 Apr 2026 Direct
Constantine S. Macricostas PLAB COMMON STOCK Award 0.91% 3,722 414,617 13 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -1.28% $225,000 $45.00 -5,000 385,850 13 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Options Exercise 1.3% 5,000 390,850 13 Apr 2026 Direct
Kang Jyh Lee PLAB PHOTRONICS STOCK OPTIONS Options Exercise -100% -5,000 0 13 Apr 2026 Direct
Eric Rivera PLAB COMMON STOCK Sale -0.73% $44,770 $44.77 -1,000 136,173 13 Apr 2026 Direct
Eric Rivera PLAB COMMON STOCK Options Exercise 0.73% 1,000 137,173 13 Apr 2026 Direct
Eric Rivera PLAB PHOTRONICS STOCK OPTIONS Options Exercise -100% -1,000 0 13 Apr 2026 Direct
Wang Hsueh-Chun PLAB COMMON STOCK Sale -8.21% $525,469 $44.25 -11,875 132,810 09 Apr 2026 Direct
Eric Rivera PLAB COMMON STOCK Sale -23.4% $1,826,748 $44.00 -41,517 136,173 09 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -1.28% $220,000 $44.00 -5,000 385,850 09 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Options Exercise 1.3% 5,000 390,850 09 Apr 2026 Direct
Kang Jyh Lee PLAB PHOTRONICS STOCK OPTIONS Options Exercise -50% -5,000 5,000 09 Apr 2026 Direct
George Macricostas PLAB COMMON STOCK Sale -26.6% $5,203,718 $42.94 -121,194 334,068 08 Apr 2026 Direct
Rui Zhang PLAB COMMON STOCK Sale -5.25% $76,212 $43.50 -1,752 31,635 08 Apr 2026 Direct
Wang Hsueh-Chun PLAB COMMON STOCK Sale -6.46% $426,900 $42.69 -10,000 144,685 08 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -1.28% $216,350 $43.27 -5,000 385,850 08 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Options Exercise 1.3% 5,000 390,850 08 Apr 2026 Direct
Kang Jyh Lee PLAB PHOTRONICS STOCK OPTIONS Options Exercise -33.3% -5,000 10,000 06 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -1.28% $202,650 $40.53 -5,000 385,850 06 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Options Exercise 1.3% 5,000 390,850 06 Apr 2026 Direct
Kang Jyh Lee PLAB PHOTRONICS STOCK OPTIONS Options Exercise -25% -5,000 15,000 06 Apr 2026 Direct
Constantine S. Macricostas PLAB COMMON STOCK Gift -8.26% -37,000 410,895 02 Apr 2026 Direct
Constantine S. Macricostas PLAB COMMON STOCK Gift -2.82% -13,000 447,895 01 Apr 2026 Direct
Mitchell G. Tyson PLAB COMMON STOCK Sale -23.2% $423,100 $42.31 -10,000 33,199 01 Apr 2026 Direct
Wang Hsueh-Chun PLAB COMMON STOCK Sale -6.07% $420,831 $42.08 -10,000 154,685 01 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -1.28% $210,000 $42.00 -5,000 385,850 01 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Options Exercise 1.3% 5,000 390,850 01 Apr 2026 Direct
Kang Jyh Lee PLAB PHOTRONICS STOCK OPTIONS Options Exercise -100% -5,000 0 01 Apr 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -1.28% $204,000 $40.80 -5,000 385,850 26 Mar 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Options Exercise 1.3% 5,000 390,850 26 Mar 2026 Direct
Kang Jyh Lee PLAB PHOTRONICS STOCK OPTIONS Options Exercise -50% -5,000 5,000 26 Mar 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -2.53% $390,000 $39.00 -10,000 385,850 23 Mar 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -2.43% $358,000 $35.80 -10,000 400,850 19 Mar 2026 Direct
Rui Zhang PLAB COMMON STOCK Award 4.6% 1,467 33,387 09 Feb 2026 Direct
Todd Anthony Alesio PLAB COMMON STOCK Award 5.79% 983 17,946 09 Feb 2026 Direct
Eric Rivera PLAB COMMON STOCK Award 14.6% 22,641 177,690 09 Feb 2026 Direct
Daniel Jl Liao PLAB COMMON STOCK Award 1.83% 1,234 68,782 20 Jan 2026 Direct
Michelle Almeida PLAB COMMON STOCK Award 1,234 1,234 20 Jan 2026 Direct
Kang Jyh Lee PLAB COMMON STOCK Sale -2.38% $345,100 $34.51 -10,000 410,850 16 Jan 2026 Direct
* marks a reported price that did not pass the local price check.
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