ZHANG RUI

VP, CAO & Corporate Controller

ZHANG RUI has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Apr 21, 2026.

On the most recent filing, ZHANG RUI is listed as VP, CAO & Corporate Controller at PHOTRONICS INC. Inside the rolling window, ZHANG RUI reported no open-market purchases and 2 open-market sales totaling $289K in PLAB. The largest disclosed transaction in the window is a sale of 4,556 PLAB shares on Apr 17, 2026, worth $213K.

Companies traded

Other insiders at PLAB

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$289K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
PLABSale$213KApr 21SEC ↗
PLABSale$76KApr 10SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has ZHANG RUI made?

ZHANG RUI has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2026.

Which companies does ZHANG RUI trade?

ZHANG RUI has filed SEC Form 4 disclosures for 1 company, including PLAB.

When was ZHANG RUI's most recent SEC Form 4 filing?

ZHANG RUI's most recent SEC Form 4 filing on Tracefour is dated Apr 21, 2026.

What is ZHANG RUI's job title?

On the most recent SEC Form 4 filings tracked by Tracefour, ZHANG RUI is listed as VP, CAO & Corporate Controller.

What is ZHANG RUI's total buy and sell value in the current window?

Inside the rolling retention window, ZHANG RUI bought $0 and sold $289K based on SEC Form 4 filings.

What was ZHANG RUI's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 4,556 PLAB shares on 2026-04-17, worth $213K, per SEC Form 4 filings.