PLABNasdaq

PHOTRONICS INC

Alert me on PLAB

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 2 Sale Lee Kang Jyh Insider

1 week

−5.9%S&P +1.2%

1 month

−13.0%S&P −2.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 30 Sale Park Han Kyung Insider

1 week

−2.2%S&P +1.9%

1 month

−5.4%S&P +0.9%

3 months

Result in35 trading days

6 months

Result in98 trading days

Sep 29 Sale Lee Kang Jyh Insider

1 week

−0.8%S&P +1.9%

1 month

−5.6%S&P +1.1%

3 months

Result in34 trading days

6 months

Result in97 trading days

Sep 25 Sale Lee Kang Jyh Insider

1 week

+3.6%S&P −0.2%

1 month

−8.3%S&P −0.8%

3 months

Result in32 trading days

6 months

Result in95 trading days

Apr 22 Sale ZHANG RUI Insider

1 week

−4.6%S&P +0.1%

1 month

+2.0%S&P +4.4%

3 months

−38.2%S&P +4.1%

6 months

−42.2%S&P +9.2%

Show all 47

Apr 21 Sale Lee Kang Jyh Insider

1 week

−2.8%S&P +1.1%

1 month

+0.6%S&P +5.3%

3 months

−36.9%S&P +6.4%

6 months

−42.2%S&P +9.8%

Apr 18 Sale Lee Kang Jyh Insider

1 week

+4.3%S&P +0.9%

1 month

−7.1%S&P +3.5%

3 months

−36.4%S&P +5.9%

6 months

−42.5%S&P +8.7%

Apr 17 Sale Wang Hsueh-Chun Insider

1 week

+8.0%S&P +0.5%

1 month

−1.8%S&P +4.0%

3 months

−40.2%S&P +4.8%

6 months

−43.1%S&P +8.0%

Apr 16 Sale Lee Kang Jyh Insider

1 week

+10.1%S&P +1.0%

1 month

+9.1%S&P +5.3%

3 months

−37.1%S&P +6.2%

6 months

−37.8%S&P +10.5%

Apr 16 Sale Rivera Eric Insider

1 week

+10.1%S&P +1.0%

1 month

+9.1%S&P +5.3%

3 months

−37.1%S&P +6.2%

6 months

−37.8%S&P +10.5%

Apr 15 Sale MACRICOSTAS CONSTANTINE S Insider

1 week

+9.2%S&P +1.6%

1 month

+13.4%S&P +6.9%

3 months

−36.7%S&P +7.5%

6 months

−38.2%S&P +10.5%

Apr 14 Sale Rivera Eric Insider

1 week

+8.4%S&P +1.4%

1 month

+13.5%S&P +6.9%

3 months

−34.9%S&P +9.0%

6 months

−36.3%S&P +12.6%

Apr 14 Sale Wang Hsueh-Chun Insider

1 week

+8.4%S&P +1.4%

1 month

+13.5%S&P +6.9%

3 months

−34.9%S&P +9.0%

6 months

−36.3%S&P +12.6%

Apr 14 Sale Lee Kang Jyh Insider

1 week

+8.4%S&P +1.4%

1 month

+13.5%S&P +6.9%

3 months

−34.9%S&P +9.0%

6 months

−36.3%S&P +12.6%

Apr 11 Sale MACRICOSTAS GEORGE Insider

1 week

+7.9%S&P +3.3%

1 month

+13.8%S&P +7.6%

3 months

−35.5%S&P +9.9%

6 months

−36.0%S&P +14.0%

Apr 11 Sale ZHANG RUI Insider

1 week

+7.9%S&P +3.3%

1 month

+13.8%S&P +7.6%

3 months

−35.5%S&P +9.9%

6 months

−36.0%S&P +14.0%

Apr 10 Sale Lee Kang Jyh Insider

1 week

+7.8%S&P +4.5%

1 month

+22.4%S&P +8.8%

3 months

−36.4%S&P +10.5%

6 months

−34.0%S&P +15.2%

Apr 10 Sale Wang Hsueh-Chun Insider

1 week

+7.8%S&P +4.5%

1 month

+22.4%S&P +8.8%

3 months

−36.4%S&P +10.5%

6 months

−34.0%S&P +15.2%

Apr 9 Sale Lee Kang Jyh Insider

1 week

+3.1%S&P +3.2%

1 month

+20.6%S&P +8.5%

3 months

−32.8%S&P +11.3%

6 months

−33.2%S&P +14.4%

Apr 4 Sale Lee Kang Jyh Insider

1 week

+12.8%S&P +4.1%

1 month

+26.0%S&P +9.8%

3 months

−32.0%S&P +13.8%

6 months

−23.3%S&P +18.2%

Apr 4 Sale Wang Hsueh-Chun Insider

1 week

+12.8%S&P +4.1%

1 month

+26.0%S&P +9.8%

3 months

−32.0%S&P +13.8%

6 months

−23.3%S&P +18.2%

Apr 4 Sale TYSON MITCHELL G Insider

1 week

+12.8%S&P +4.1%

1 month

+26.0%S&P +9.8%

3 months

−32.0%S&P +13.8%

6 months

−23.3%S&P +18.2%

Mar 31 Sale Lee Kang Jyh Insider

1 week

+7.1%S&P +3.9%

1 month

+22.4%S&P +10.5%

3 months

−25.0%S&P +15.0%

6 months

−23.8%S&P +17.9%

Mar 26 Sale Lee Kang Jyh Insider

1 week

+2.7%S&P +1.7%

1 month

+29.3%S&P +10.9%

3 months

−22.8%S&P +13.3%

6 months

−23.5%S&P +20.2%

Mar 24 Sale Lee Kang Jyh Insider

1 week

−5.0%S&P −0.4%

1 month

+18.7%S&P +8.5%

3 months

−25.6%S&P +12.5%

6 months

−28.6%S&P +18.1%

Jan 21 Sale Park Han Kyung Insider

1 week

−0.9%S&P +1.5%

1 month

+4.8%S&P +0.6%

3 months

+38.1%S&P +4.1%

6 months

−14.6%S&P +8.3%

Jan 21 Sale Lee Kang Jyh Insider

1 week

−0.9%S&P +1.5%

1 month

+4.8%S&P +0.6%

3 months

+38.1%S&P +4.1%

6 months

−14.6%S&P +8.3%

Jan 17 Sale Lee Kang Jyh Insider

1 week

+3.4%S&P +2.6%

1 month

+8.2%S&P +1.0%

3 months

+43.8%S&P +4.2%

6 months

−9.3%S&P +10.9%

Jan 16 Sale Lee Kang Jyh Insider

1 week

+0.5%S&P +0.2%

1 month

+8.7%S&P −0.8%

3 months

+42.7%S&P +2.8%

6 months

−9.2%S&P +8.8%

Jan 15 Sale Lee Kang Jyh Insider

1 week

+1.4%S&P −0.4%

1 month

+12.9%S&P −1.4%

3 months

+41.4%S&P +2.9%

6 months

−15.4%S&P +7.8%

Jan 10 Sale Lee Kang Jyh Insider

1 week

+2.2%S&P −2.5%

1 month

+13.1%S&P −0.5%

3 months

+35.6%S&P +0.2%

6 months

−11.7%S&P +9.2%

Jan 8 Sale Lee Kang Jyh Insider

1 week

+7.7%S&P +0.4%

1 month

+18.1%S&P +0.6%

3 months

+41.3%S&P −1.2%

6 months

−10.1%S&P +9.2%

Jan 8 Sale TYSON MITCHELL G Insider

1 week

+7.7%S&P +0.4%

1 month

+18.1%S&P +0.6%

3 months

+41.3%S&P −1.2%

6 months

−10.1%S&P +9.2%

Jan 8 Sale Paladino Mary Insider

1 week

+7.7%S&P +0.4%

1 month

+18.1%S&P +0.6%

3 months

+41.3%S&P −1.2%

6 months

−10.1%S&P +9.2%

Jan 7 Sale Lee Kang Jyh Insider

1 week

−9.9%S&P +0.1%

1 month

+6.8%S&P +0.2%

3 months

+27.6%S&P −1.1%

6 months

−14.2%S&P +10.1%

Dec 24, 2025 Sale Lee Kang Jyh Insider

1 week

−0.8%S&P −1.0%

1 month

+5.8%S&P +0.7%

3 months

+17.6%S&P −7.9%

6 months

−7.1%S&P +7.9%

Dec 17, 2025 Sale Park Han Kyung Insider

1 week

+2.2%S&P +3.1%

1 month

+4.5%S&P +1.2%

3 months

+10.3%S&P −2.8%

6 months

+3.3%S&P +11.8%

Dec 17, 2025 Sale Progler Christopher J Insider

1 week

+2.2%S&P +3.1%

1 month

+4.5%S&P +1.2%

3 months

+10.3%S&P −2.8%

6 months

+3.3%S&P +11.8%

Dec 17, 2025 Sale Lee Kang Jyh Insider

1 week

+2.2%S&P +3.1%

1 month

+4.5%S&P +1.2%

3 months

+10.3%S&P −2.8%

6 months

+3.3%S&P +11.8%

Dec 17, 2025 Sale TYSON MITCHELL G Insider

1 week

+2.2%S&P +3.1%

1 month

+4.5%S&P +1.2%

3 months

+10.3%S&P −2.8%

6 months

+3.3%S&P +11.8%

Dec 3, 2025 Sale Progler Christopher J Insider

1 week

+54.1%S&P +0.5%

1 month

+37.7%S&P +0.9%

3 months

+35.3%S&P −1.4%

6 months

+20.3%S&P +8.5%

Oct 10, 2025 Sale TYSON MITCHELL G Insider

1 week

+5.8%S&P +1.7%

1 month

+3.0%S&P +4.4%

3 months

+54.4%S&P +6.8%

6 months

+109.5%S&P +7.0%

Oct 9, 2025 Sale Lee Kang Jyh Insider

1 week

−2.5%S&P −1.6%

1 month

−9.5%S&P 0.0%

3 months

+38.9%S&P +3.7%

6 months

+90.4%S&P +2.8%

Oct 7, 2025 Sale Paladino Mary Insider

1 week

−0.6%S&P −1.0%

1 month

−0.1%S&P +1.3%

3 months

+49.7%S&P +3.4%

6 months

+91.1%S&P +2.2%

Sep 6, 2025 Sale Park Han Kyung Insider

1 week

+0.8%S&P +1.9%

1 month

+2.8%S&P +3.4%

3 months

+6.7%S&P +6.0%

6 months

+50.6%S&P +5.0%

Sep 4, 2025 Sale Progler Christopher J Insider

1 week

+2.6%S&P +1.3%

1 month

+9.8%S&P +3.4%

3 months

+9.1%S&P +5.6%

6 months

+47.6%S&P +4.2%

Sep 4, 2025 Sale Lee Kang Jyh Insider

1 week

+2.6%S&P +1.3%

1 month

+9.8%S&P +3.4%

3 months

+9.1%S&P +5.6%

6 months

+47.6%S&P +4.2%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for PLAB

128 held · newest 5128 held · newest 2

Loading the filings.

See all 128 filings for PLAB

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G

American Century Investment Management, Inc.: 5.7%, 3,387,380 shares

Jun 30, 2026 Schedule 13G

Vanguard Portfolio Management: 5.1%, 3,007,264 shares

Jun 30, 2026 Schedule 13G, amended

Dimensional Fund Advisors LP: 6.2%, 3,642,585 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Feb 27, 2026 Schedule 13G, amended

The Vanguard Group: 10.1%, 5,847,277 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

NoneQ4 2025

NoneQ1 2026

NoneQ2 2026

$10KQ3 2026

The first quarter on file. Reported to the Senate each quarter by the firms it hires.Original report ↗

Read from LDA.gov on Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.