Comparable stake leader
BlackRock, 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
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.
Quick read
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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| 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 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$25,897,588.
| 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
Showing 1-19 of 19 reporting-owner rows connected to PHOTRONICS INC. Open a relationship link for the CIK-to-CIK filing trail.
| 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 |
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 |