Zhang John Z

Exec. Vice President & CCDO

Zhang John Z has filed 5 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2026. 5 of those filings fall inside the rolling window. Most recent filing: May 12, 2026.

Companies traded

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$5.0M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
GLWSale$2.0MMay 12SEC ↗
GLWSale$2.8MMay 6SEC ↗
GLWSale$205KFeb 12SEC ↗