Walker April

Walker April is listed in filings as Director at Universal Display Corp. This profile follows SEC Form 4 activity through Apr 2, 2026, including 5 public disclosures. Recent filings connect the profile to Universal Display Corp (OLED). The current snapshot covers public activity from Apr 2, 2025 to Apr 2, 2026. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.