Photronics, Inc. (PLAB)
Nasdaq: PLAB · Semiconductors & Related Devices · Brookfield, CT · filing with the SEC since 1995
Grade5.4
◀ Past 6.1● Present 5.7▶ Future 4.3
Who owns Photronics, Inc.
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 15% of Common Stock, as its SCHEDULE 13G/A filed Apr 29, 2025 says.
Directors and officers
15
report now, of 22 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 29, 2025 · Common Stock
Dimensional Fund Advisors LP
SCHEDULE 13G/A · filed Jul 14, 2026 · Common Stock
American Century Investment Management, Inc.
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 10.1% in Mar 5, 2026
What PLAB reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
PDMCXMember
An entity · consolidated entity · owns, named in the 10-K filed Dec 17, 2025
14 subsidiaries in 7 countries, from the list filed with the 10-K filed Dec 19, 2024.
Insider tradesForm 4
52sales
0purchases
1sales on a scheduled plan
10people selling
$24.5Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 2, 2025 to Oct 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window10 of 22 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 26 | $9.0M | 0 | 0 | $0 |
| Macricostas George | CEO | 3 | $5.2M | 0 | 0 | $0 |
| Macricostas Constantine S | Executive Chairman | 1 | $2.3M | 0 | 0 | $0 |
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | 6 | $2.2M | 0 | 0 | $0 |
| Rivera Eric | President, CFO | 3 | $1.9M | 0 | 0 | $0 |
| Paladino Mary | director | 2 | $1.4M | 0 | 0 | $0 |
| Park Han Kyung | SVP & GM of FPD Ops | 4 | $1.3M | 0 | 0 | $0 |
| Progler Christopher J | EVP, Chief Technology Officer | 2 | $1.1M | 1 | 0 | $0 |
| Tyson Mitchell G | director | 4 | $900,000 | 0 | 0 | $0 |
| Zhang Rui | VP, CAO & Corporate Controller | 2 | $300,000 | 0 | 0 | $0 |