PLAB
PHOTRONICS INC
NASDAQ · Technology · Semiconductors · US
$28.35
+3.02%0
Insider buys (3m)
4
Insider sells (3m)
-$1.1M
Net value (3m)
-1.7%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 2, 2026 | Rivera Eric · officer: President, CFO | F-InKind | 2,897 | $31 |
| Oct 2, 2026 | ZHANG RUI · officer: VP, CAO & Corporate Controller | F-InKind | 392 | $31 |
| Oct 1, 2026 | Lee Kang Jyh · director | Sale | 10,000 | $31 |
| Sep 29, 2026 | Park Han Kyung · officer: SVP & GM of FPD Ops | Sale | 9,500 | $30 |
| Sep 28, 2026 | Lee Kang Jyh · director | Sale | 7,500 | $30 |
| Sep 24, 2026 | Lee Kang Jyh · director | Sale | 10,000 | $30 |
| Apr 21, 2026 | ZHANG RUI · officer: VP, CAO & Corporate Controller | Sale | 4,556 | $47 |
| Apr 20, 2026 | Lee Kang Jyh · director | Sale | 10,000 | $46 |
| Apr 17, 2026 | Lee Kang Jyh · director | Sale | 10,000 | $45 |
| Apr 16, 2026 | Wang Hsueh-Chun · officer: SVP/COO IC & US/EU Mnstrm Ops | Sale | 19,250 | $45 |
| Apr 15, 2026 | Almeida Michelle · director | A-Award | 3,722 | $0.00 |
| Apr 15, 2026 | Rivera Eric · officer: President, CFO | M-Exempt | 1,000 | $9.78 |
| Apr 15, 2026 | Garcia David A. · director | A-Award | 3,722 | $0.00 |
| Apr 15, 2026 | TYSON MITCHELL G · director | A-Award | 3,722 | $0.00 |
| Apr 15, 2026 | Rivera Eric · officer: President, CFO | Sale | 1,000 | $45 |
| Apr 15, 2026 | LEWIS ADAM M · director | A-Award | 3,722 | $0.00 |
| Apr 15, 2026 | Lee Kang Jyh · director | M-Exempt | 5,000 | $8.60 |
| Apr 15, 2026 | Liao Daniel JL · director | A-Award | 3,722 | $0.00 |
| Apr 15, 2026 | MACRICOSTAS CONSTANTINE S · director | A-Award | 3,722 | $0.00 |
| Apr 15, 2026 | Lee Kang Jyh · director | Sale | 5,000 | $45 |
| Apr 14, 2026 | MACRICOSTAS CONSTANTINE S · director | Sale | 50,000 | $45 |
| Apr 13, 2026 | Rivera Eric · officer: President, CFO | Sale | 40,635 | $44 |
| Apr 13, 2026 | Rivera Eric · officer: President, CFO | Sale | 882 | $44 |
| Apr 13, 2026 | Lee Kang Jyh · director | Sale | 5,000 | $44 |
| Apr 13, 2026 | Wang Hsueh-Chun · officer: SVP/COO IC & US/EU Mnstrm Ops | Sale | 11,875 | $44 |
| Apr 13, 2026 | Lee Kang Jyh · director | M-Exempt | 5,000 | $8.60 |
| Apr 10, 2026 | MACRICOSTAS GEORGE · officer: CEO | Sale | 5,500 | $43 |
| Apr 10, 2026 | MACRICOSTAS GEORGE · officer: CEO | Sale | 6,500 | $43 |
| Apr 10, 2026 | Lee Kang Jyh · director | M-Exempt | 5,000 | $8.60 |
| Apr 10, 2026 | MACRICOSTAS GEORGE · officer: CEO | Sale | 109,194 | $43 |
Institutional positioning
13F filings over the trailing two quarters
New 141Increased 212Reduced 234Sold out 74
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 9,486,185 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 9,387,060 | May 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 3,962,665 | May 7, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 3,642,585 | Aug 11, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 3,387,380 | Aug 12, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2,972,130 | Aug 13, 2026 |
| LSV ASSET MANAGEMENT | Reduced | 2,882,518 | May 11, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2,844,737 | May 8, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2,819,927 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,503,091 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 2,501,565 | Aug 13, 2026 |
| STATE STREET CORP | Increased | 2,339,871 | Sep 22, 2026 |
| STATE STREET CORP | Reduced | 2,239,770 | May 15, 2026 |
| LSV ASSET MANAGEMENT | Reduced | 2,185,268 | Aug 6, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2,167,677 | Aug 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 2, 2026