// company-profile
Photronics Inc
PLABExchangeNasdaqSectorSemiconductors & Related DevicesInc.CTFilings135Insiders18
// api This Photronics Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Photronics Inc insiders bought $289K (20 transactions) and sold $16.0M (26 transactions).
- Most active insider: Lee Kang Jyh with 21 transactions totaling $2.9M.
- Largest single sale: $4.7M by MACRICOSTAS GEORGE on Apr 8, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Photronics Inc as of 2026-03-31
Total reported AUM
$1.93B
QoQ change
+41.9%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$257.7M
6.4M shares
#2
DIMENSIONAL FUND ADVISORS LP
CIK 354204
$153.7M
3.8M shares
#3
AMERICAN CENTURY COMPANIES INC
CIK 748054
$114.0M
2.8M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 17, 2026 | Paladino Mary | PLAB | Disposition | 22,548 | $47.77 | $1.08M |
| Apr 17, 2026 | ZHANG RUI | PLAB | Sale | 4,556 | $46.70 | $213K |
| Apr 16, 2026 | Lee Kang Jyh | PLAB | Sale | 10,000 | $45.80 | $458K |
| Apr 16, 2026 | Lee Kang Jyh | PLAB | Sale | 10,000 | $46.05 | $461K |
| Apr 15, 2026 | Lee Kang Jyh | PLAB | Sale | 10,000 | $45.10 | $451K |
45 more transactions hidden
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