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Company profile

Photronics Inc Insider Trading

PLAB

Every SEC Form 4 insider trading filing for Photronics Inc (PLAB) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
CIK
0000810136
Filings
135
Insiders
18
Last filing
2026-04-17
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on April 17, 2026, when Mary Paladino sold 22,548 shares. 135 filings from 18 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q3 23 to Q2 26. Photronics Inc insiders are net sellers across the period shown.

PurchasesSales
Q3 23Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26$15.8MQ2 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $15.8M.

No insider activity recorded for PLAB in the last 90 days.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Apr 17, 2026Mary PaladinoPLAB
Disposition
22,548$47.77$1.08M-36.9% 3m
Apr 17, 2026Rui ZhangPLAB
Sale
4,556$46.70$213K-36.9% 3m
Apr 16, 2026Kang Jyh LeePLAB
Sale
10,000$46.05$461K-36.4% 3m
Apr 16, 2026Kang Jyh LeePLAB
Sale
10,000$45.80$458K-36.4% 3m
Apr 15, 2026Kang Jyh LeePLAB
Sale
10,000$45.10$451K-40.2% 3m

45 more transactions hidden

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Top insiders

By total value filed.

George MacricostasEXECUTIVE CHAIRMAN3 filings−$5.2M
Kang Jyh LeeCHIEF EXECUTIVE OFFICER17 filings−$3.1M
Constantine S Macricostas1 filing−$2.3M
Hsueh-Chun WangSVP/COO IC & US/EU Mnstrm Ops6 filings−$2.2M
Eric RiveraEVP, CFO4 filings−$1.9M

Institutional Ownership

Top 13F-HR holders of Photronics Inc as of 2026-06-30

↓ decreasing
Total reported AUM
$636.0M
QoQ change
-67.1%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$211.2M
6.5M shares
#2
State Street Corp
CIK 0000093751
$76.1M
2.3M shares
#3
BlackRock, Inc.
CIK 0002012383
$63.0M
1.9M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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