White Marvin L

White Marvin L is listed in filings as Director at Emergent Biosolutions Inc. This profile follows SEC Form 4 activity through May 4, 2026, including sale activity. Recent filings connect the profile to Emergent Biosolutions Inc (EBS) and Aptevo Therapeutics Inc. (APVO). The current snapshot covers public activity from Jul 19, 2024 to May 4, 2026. Reported amounts are shown as $90.3K to $171.0K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.