Photronics Inc (PLAB)

Photronics Inc. experienced significant insider trading activity during mid-April 2026. Multiple directors and officers, including Lee Kang Jyh and Wang Hsueh-Chun, executed various sell orders. These transactions, occurring over several days, involved substantial share volumes. As the most recent activity dates back over three months, no current market performance analysis is provided.
Ticker: PLAB Exchange: NSM


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Insider trades have triggered activity signals for Photronics Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.8
ZHANG RUI VP, CAO & Corporate Controller Officer
Transaction date
Sale
Price
336.70
Quantity 9,316 +32.2%
Value US$46,362
1.3
Paladino Mary Director Non-Executive Director
Transaction date
Proposed sale
Price
375.24
Quantity 45,137
Value US$3,284,639
2.8
ZHANG RUI Officer Officer
Transaction date
Proposed sale
Price
173.29
Quantity 73,413
Value US$441,070
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
45.80
Quantity 10,000 -2.7%
Value US$458,000
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
46.05
Quantity 10,000 -2.7%
Value US$460,500
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
45.80
Quantity 10,000
Value US$458,000
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
46.05
Quantity 10,000
Value US$460,511
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
45.10
Quantity 10,000 -2.6%
Value US$451,000
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
45.10
Quantity 10,000
Value US$451,000
2.7
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Officer
Transaction date
Sale
Price
45.30
Quantity 19,250 -14.5%
Value US$872,025
2.6
MACRICOSTAS CONSTANTINE S Non-Executive Director
Transaction date
Sale
Price
45.35
Quantity 50,000 -100.0%
Value US$2,267,500
2.7
Wang Hsueh-Chun Officer Officer
Transaction date
Proposed sale
Price
45.30
Quantity 19,250
Value US$872,110
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
45.00
Quantity 5,000 -1.3%
Value US$225,000
2.6
Rivera Eric President, CFO Officer
Transaction date
Sale
Price
44.77
Quantity 1,000 -0.7%
Value US$44,770
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
45.00
Quantity 5,000
Value US$225,000
2.6
Rivera Eric Officer Officer
Transaction date
Proposed sale
Price
44.77
Quantity 1,000
Value US$44,770
2.7
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Officer
Transaction date
Sale
Price
44.25
Quantity 11,875 -8.2%
Value US$525,469
2.6
Rivera Eric President, CFO Officer
Transaction date
Sale
Price
44.00
Quantity 40,635 -23.0%
Value US$1,787,940
2.6
Rivera Eric President, CFO Officer
Transaction date
Sale
Price
44.00
Quantity 882 -0.5%
Value US$38,808
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
44.00
Quantity 5,000 -1.3%
Value US$220,000
2.7
Wang Hsueh-Chun Officer Officer
Transaction date
Proposed sale
Price
44.25
Quantity 11,875
Value US$525,483
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
44.00
Quantity 5,000
Value US$220,000
2.6
Rivera Eric Officer Officer
Transaction date
Proposed sale
Price
44.00
Quantity 41,517
Value US$1,826,748
3.0
MACRICOSTAS GEORGE CEO Officer
Transaction date
Sale
Price
42.90
Quantity 109,194 -24.6%
Value US$4,684,423
3.0
MACRICOSTAS GEORGE CEO Officer
Transaction date
Sale
Price
43.28
Quantity 5,500 -1.2%
Value US$238,040
3.0
MACRICOSTAS GEORGE CEO Officer
Transaction date
Sale
Price
43.27
Quantity 6,500 -1.4%
Value US$281,255
2.8
ZHANG RUI VP, CAO & Corporate Controller Officer
Transaction date
Sale
Price
43.50
Quantity 1,752 -5.2%
Value US$76,212
2.7
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Officer
Transaction date
Sale
Price
42.69
Quantity 10,000 -6.5%
Value US$426,900
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
43.27
Quantity 5,000 -1.3%
Value US$216,350
2.7
Wang Hsueh-Chun Officer Officer
Transaction date
Proposed sale
Price
42.69
Quantity 10,000
Value US$426,897
2.8
ZHANG RUI Officer Officer
Transaction date
Proposed sale
Price
43.50
Quantity 1,752
Value US$76,212
3.0
George Macricostas Chairman
Transaction date
Proposed sale
Price
43.64
Quantity 5,500
Value US$240,000
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
43.27
Quantity 5,000
Value US$216,350
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
40.53
Quantity 5,000 -1.3%
Value US$202,650
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
40.53
Quantity 5,000
Value US$202,657
3.2
TYSON MITCHELL G Non-Executive Director
Transaction date
Sale
Price
42.31
Quantity 10,000 -23.1%
Value US$423,100
2.7
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Officer
Transaction date
Sale
Price
42.15
Quantity 1,714 -1.1%
Value US$72,245
2.7
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Officer
Transaction date
Sale
Price
42.14
Quantity 4,100 -2.6%
Value US$172,774
2.7
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Officer
Transaction date
Sale
Price
42.00
Quantity 4,186 -2.5%
Value US$175,812
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
42.00
Quantity 5,000 -1.3%
Value US$210,000
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
42.00
Quantity 5,000 -1.3%
Value US$210,000
3.2
TYSON MITCHELL G Director Non-Executive Director
Transaction date
Proposed sale
Price
42.31
Quantity 10,000
Value US$423,106
2.7
Wang Hsueh-Chun Officer Officer
Transaction date
Proposed sale
Price
42.08
Quantity 10,000
Value US$420,841
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
42.00
Quantity 5,000
Value US$210,000
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
40.80
Quantity 5,000 -1.3%
Value US$204,000
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
40.80
Quantity 5,000
Value US$204,000
3.0
George Macricostas Chairman
Transaction date
Proposed sale
Price
43.13
Quantity 6,500
Value US$280,345
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
39.00
Quantity 10,000 -2.5%
Value US$390,000
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
39.00
Quantity 10,000
Value US$390,000
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
35.80
Quantity 10,000 -2.4%
Value US$358,000
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
35.80
Quantity 10,000
Value US$358,024
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
34.51
Quantity 10,000 -2.4%
Value US$345,100
2.8
Park Han Kyung SVP & GM of FPD Ops Officer
Transaction date
Sale
Price
34.89
Quantity 6,250 -7.6%
Value US$218,062
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
34.51
Quantity 10,000
Value US$345,091
2.8
Park Han Kyung Officer Officer
Transaction date
Proposed sale
Price
34.89
Quantity 6,250
Value US$218,062
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
34.13
Quantity 10,000 -2.3%
Value US$341,300
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
34.14
Quantity 10,000
Value US$341,360
2.8
Park Han Kyung SVP & GM of FPD Ops Officer
Transaction date
Sale
Price
33.70
Quantity 7,500 -8.4%
Value US$252,750
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
34.42
Quantity 10,000 -2.3%
Value US$344,200
3.5
Progler Christopher J Former Officer Officer
Transaction date
Proposed sale
Price
33.23
Quantity 72,591
Value US$2,411,855
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
34.42
Quantity 10,000
Value US$344,157
2.8
Park Han Kyung Officer Officer
Transaction date
Proposed sale
Price
33.70
Quantity 7,500
Value US$252,750
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
33.05
Quantity 10,000 -2.2%
Value US$330,500
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
33.05
Quantity 10,000
Value US$330,500
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
34.83
Quantity 10,000 -2.2%
Value US$348,300
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
34.83
Quantity 10,000
Value US$348,285
3.2
TYSON MITCHELL G Non-Executive Director
Transaction date
Sale
Price
35.21
Quantity 5,000 -10.4%
Value US$176,050
1.3
Paladino Mary Non-Executive Director
Transaction date
Sale
Price
35.11
Quantity 11,250 -32.1%
Value US$394,988
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
35.41
Quantity 10,000 -2.1%
Value US$354,100
3.2
TYSON MITCHELL G Director Non-Executive Director
Transaction date
Proposed sale
Price
35.21
Quantity 5,000
Value US$176,050
1.3
Paladino Mary Director Non-Executive Director
Transaction date
Proposed sale
Price
35.11
Quantity 11,250
Value US$395,026
3.1
Lee Kang Jyh Officer; Director Executive Director
Transaction date
Proposed sale
Price
35.41
Quantity 10,000
Value US$354,058
3.1
Lee Kang Jyh Non-Executive Director
Transaction date
Sale
Price
33.90
Quantity 10,000 -2.1%
Value US$339,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-04-21 2026-04-17 S Sale

VP, CAO & Corporate Controller

Officer
9,316 +32.2%
336.70
US$46,362
9,316 +32.2% 336.70 US$46,362
2026-04-17 2026-04-17 PrS Proposed sale

Director

Non-Executive Director
45,137
375.24
US$3,284,639
45,137 375.24 US$3,284,639
2026-04-17 2026-04-17 PrS Proposed sale

Officer

Officer
73,413
173.29
US$441,070
73,413 173.29 US$441,070
2026-04-20 2026-04-16 S Sale Non-Executive Director
10,000 -2.7%
45.80
US$458,000
10,000 -2.7% 45.80 US$458,000
2026-04-20 2026-04-16 S Sale Non-Executive Director
10,000 -2.7%
46.05
US$460,500
10,000 -2.7% 46.05 US$460,500
2026-04-16 2026-04-16 PrS Proposed sale

Officer; Director

Executive Director
10,000
45.80
US$458,000
10,000 45.80 US$458,000
2026-04-16 2026-04-16 PrS Proposed sale

Officer; Director

Executive Director
10,000
46.05
US$460,511
10,000 46.05 US$460,511
2026-04-17 2026-04-15 S Sale Non-Executive Director
10,000 -2.6%
45.10
US$451,000
10,000 -2.6% 45.10 US$451,000
2026-04-15 2026-04-15 PrS Proposed sale

Officer; Director

Executive Director
10,000
45.10
US$451,000
10,000 45.10 US$451,000
2026-04-16 2026-04-14 S Sale

SVP/COO IC & US/EU Mnstrm Ops

Officer
19,250 -14.5%
45.30
US$872,025
19,250 -14.5% 45.30 US$872,025
2026-04-14 2026-04-14 S Sale Non-Executive Director
50,000 -100.0%
45.35
US$2,267,500
50,000 -100.0% 45.35 US$2,267,500
2026-04-14 2026-04-14 PrS Proposed sale

Officer

Officer
19,250
45.30
US$872,110
19,250 45.30 US$872,110
2026-04-14 2026-04-14 PrS Proposed sale

Director

Non-Executive Director
50,000
45.71
US$2,285,500
50,000 45.71 US$2,285,500
2026-04-15 2026-04-13 S Sale Non-Executive Director
5,000 -1.3%
45.00
US$225,000
5,000 -1.3% 45.00 US$225,000
2026-04-15 2026-04-13 S Sale

President, CFO

Officer
1,000 -0.7%
44.77
US$44,770
1,000 -0.7% 44.77 US$44,770
2026-04-13 2026-04-13 PrS Proposed sale

Officer; Director

Executive Director
5,000
45.00
US$225,000
5,000 45.00 US$225,000
2026-04-13 2026-04-13 PrS Proposed sale

Officer

Officer
1,000
44.77
US$44,770
1,000 44.77 US$44,770
2026-04-13 2026-04-09 S Sale

SVP/COO IC & US/EU Mnstrm Ops

Officer
11,875 -8.2%
44.25
US$525,469
11,875 -8.2% 44.25 US$525,469
2026-04-13 2026-04-09 S Sale

President, CFO

Officer
40,635 -23.0%
44.00
US$1,787,940
40,635 -23.0% 44.00 US$1,787,940
2026-04-13 2026-04-09 S Sale

President, CFO

Officer
882 -0.5%
44.00
US$38,808
882 -0.5% 44.00 US$38,808
2026-04-13 2026-04-09 S Sale Non-Executive Director
5,000 -1.3%
44.00
US$220,000
5,000 -1.3% 44.00 US$220,000
2026-04-09 2026-04-09 PrS Proposed sale

Officer

Officer
11,875
44.25
US$525,483
11,875 44.25 US$525,483
2026-04-09 2026-04-09 PrS Proposed sale

Officer; Director

Executive Director
5,000
44.00
US$220,000
5,000 44.00 US$220,000
2026-04-09 2026-04-09 PrS Proposed sale

Officer

Officer
41,517
44.00
US$1,826,748
41,517 44.00 US$1,826,748
2026-04-10 2026-04-08 S Sale

CEO

Officer
109,194 -24.6%
42.90
US$4,684,423
109,194 -24.6% 42.90 US$4,684,423
2026-04-10 2026-04-08 S Sale

CEO

Officer
5,500 -1.2%
43.28
US$238,040
5,500 -1.2% 43.28 US$238,040
2026-04-10 2026-04-08 S Sale

CEO

Officer
6,500 -1.4%
43.27
US$281,255
6,500 -1.4% 43.27 US$281,255
2026-04-10 2026-04-08 S Sale

VP, CAO & Corporate Controller

Officer
1,752 -5.2%
43.50
US$76,212
1,752 -5.2% 43.50 US$76,212
2026-04-10 2026-04-08 S Sale

SVP/COO IC & US/EU Mnstrm Ops

Officer
10,000 -6.5%
42.69
US$426,900
10,000 -6.5% 42.69 US$426,900
2026-04-10 2026-04-08 S Sale Non-Executive Director
5,000 -1.3%
43.27
US$216,350
5,000 -1.3% 43.27 US$216,350
2026-04-08 2026-04-08 PrS Proposed sale

Officer

Officer
109,194
43.56
US$4,756,491
109,194 43.56 US$4,756,491
2026-04-08 2026-04-08 PrS Proposed sale

Officer

Officer
10,000
42.69
US$426,897
10,000 42.69 US$426,897
2026-04-08 2026-04-08 PrS Proposed sale

Officer

Officer
1,752
43.50
US$76,212
1,752 43.50 US$76,212
2026-04-08 2026-04-08 PrS Proposed sale

Chairman

5,500
43.64
US$240,000
5,500 43.64 US$240,000
2026-04-08 2026-04-08 PrS Proposed sale

Officer; Director

Executive Director
5,000
43.27
US$216,350
5,000 43.27 US$216,350
2026-04-08 2026-04-06 S Sale Non-Executive Director
5,000 -1.3%
40.53
US$202,650
5,000 -1.3% 40.53 US$202,650
2026-04-06 2026-04-06 PrS Proposed sale

Officer; Director

Executive Director
5,000
40.53
US$202,657
5,000 40.53 US$202,657
2026-04-03 2026-04-01 S Sale Non-Executive Director
10,000 -23.1%
42.31
US$423,100
10,000 -23.1% 42.31 US$423,100
2026-04-03 2026-04-01 S Sale

SVP/COO IC & US/EU Mnstrm Ops

Officer
1,714 -1.1%
42.15
US$72,245
1,714 -1.1% 42.15 US$72,245
2026-04-03 2026-04-01 S Sale

SVP/COO IC & US/EU Mnstrm Ops

Officer
4,100 -2.6%
42.14
US$172,774
4,100 -2.6% 42.14 US$172,774
2026-04-03 2026-04-01 S Sale

SVP/COO IC & US/EU Mnstrm Ops

Officer
4,186 -2.5%
42.00
US$175,812
4,186 -2.5% 42.00 US$175,812
2026-04-03 2026-04-01 S Sale Non-Executive Director
5,000 -1.3%
42.00
US$210,000
5,000 -1.3% 42.00 US$210,000
2026-04-03 2026-04-01 S Sale Non-Executive Director
5,000 -1.3%
42.00
US$210,000
5,000 -1.3% 42.00 US$210,000
2026-04-01 2026-04-01 PrS Proposed sale

Director

Non-Executive Director
10,000
42.31
US$423,106
10,000 42.31 US$423,106
2026-04-01 2026-04-01 PrS Proposed sale

Officer

Officer
10,000
42.08
US$420,841
10,000 42.08 US$420,841
2026-04-01 2026-04-01 PrS Proposed sale

Officer; Director

Executive Director
5,000
42.00
US$210,000
5,000 42.00 US$210,000
2026-03-30 2026-03-26 S Sale Non-Executive Director
5,000 -1.3%
40.80
US$204,000
5,000 -1.3% 40.80 US$204,000
2026-03-26 2026-03-26 PrS Proposed sale

Officer; Director

Executive Director
5,000
40.80
US$204,000
5,000 40.80 US$204,000
2026-03-26 2026-03-26 PrS Proposed sale

Chairman

6,500
43.13
US$280,345
6,500 43.13 US$280,345
2026-03-25 2026-03-23 S Sale Non-Executive Director
10,000 -2.5%
39.00
US$390,000
10,000 -2.5% 39.00 US$390,000
2026-03-23 2026-03-23 PrS Proposed sale

Officer; Director

Executive Director
10,000
39.00
US$390,000
10,000 39.00 US$390,000
2026-03-24 2026-03-19 S Sale Non-Executive Director
10,000 -2.4%
35.80
US$358,000
10,000 -2.4% 35.80 US$358,000
2026-03-19 2026-03-19 PrS Proposed sale

Officer; Director

Executive Director
10,000
35.80
US$358,024
10,000 35.80 US$358,024
2026-01-20 2026-01-16 S Sale Non-Executive Director
10,000 -2.4%
34.51
US$345,100
10,000 -2.4% 34.51 US$345,100
2026-01-20 2026-01-16 S Sale

SVP & GM of FPD Ops

Officer
6,250 -7.6%
34.89
US$218,062
6,250 -7.6% 34.89 US$218,062
2026-01-16 2026-01-16 PrS Proposed sale

Officer; Director

Executive Director
10,000
34.51
US$345,091
10,000 34.51 US$345,091
2026-01-16 2026-01-16 PrS Proposed sale

Officer

Officer
6,250
34.89
US$218,062
6,250 34.89 US$218,062
2026-01-16 2026-01-15 S Sale Non-Executive Director
10,000 -2.3%
34.13
US$341,300
10,000 -2.3% 34.13 US$341,300
2026-01-15 2026-01-15 PrS Proposed sale

Officer; Director

Executive Director
10,000
34.14
US$341,360
10,000 34.14 US$341,360
2026-01-20 2026-01-13 S Sale

SVP & GM of FPD Ops

Officer
7,500 -8.4%
33.70
US$252,750
7,500 -8.4% 33.70 US$252,750
2026-01-15 2026-01-13 S Sale Non-Executive Director
10,000 -2.3%
34.42
US$344,200
10,000 -2.3% 34.42 US$344,200
2026-01-13 2026-01-13 PrS Proposed sale

Former Officer

Officer
72,591
33.23
US$2,411,855
72,591 33.23 US$2,411,855
2026-01-13 2026-01-13 PrS Proposed sale

Officer; Director

Executive Director
10,000
34.42
US$344,157
10,000 34.42 US$344,157
2026-01-13 2026-01-13 PrS Proposed sale

Officer

Officer
7,500
33.70
US$252,750
7,500 33.70 US$252,750
2026-01-14 2026-01-12 S Sale Non-Executive Director
10,000 -2.2%
33.05
US$330,500
10,000 -2.2% 33.05 US$330,500
2026-01-12 2026-01-12 PrS Proposed sale

Officer; Director

Executive Director
10,000
33.05
US$330,500
10,000 33.05 US$330,500
2026-01-09 2026-01-07 S Sale Non-Executive Director
10,000 -2.2%
34.83
US$348,300
10,000 -2.2% 34.83 US$348,300
2026-01-07 2026-01-07 PrS Proposed sale

Officer; Director

Executive Director
10,000
34.83
US$348,285
10,000 34.83 US$348,285
2026-01-07 2026-01-06 S Sale Non-Executive Director
5,000 -10.4%
35.21
US$176,050
5,000 -10.4% 35.21 US$176,050
2026-01-07 2026-01-06 S Sale Non-Executive Director
11,250 -32.1%
35.11
US$394,988
11,250 -32.1% 35.11 US$394,988
2026-01-07 2026-01-06 S Sale Non-Executive Director
10,000 -2.1%
35.41
US$354,100
10,000 -2.1% 35.41 US$354,100
2026-01-06 2026-01-06 PrS Proposed sale

Director

Non-Executive Director
5,000
35.21
US$176,050
5,000 35.21 US$176,050
2026-01-06 2026-01-06 PrS Proposed sale

Director

Non-Executive Director
11,250
35.11
US$395,026
11,250 35.11 US$395,026
2026-01-06 2026-01-06 PrS Proposed sale

Officer; Director

Executive Director
10,000
35.41
US$354,058
10,000 35.41 US$354,058
2026-01-07 2026-01-05 S Sale Non-Executive Director
10,000 -2.1%
33.90
US$339,000
10,000 -2.1% 33.90 US$339,000