Moulder Leon O Jr

Zenas BioPharma, Inc. · Chief Executive Officer

Moulder Leon O Jr is listed in filings as Chief Executive Officer at Zenas BioPharma, Inc.. This profile follows SEC Form 4 activity through May 18, 2026, including purchase activity. Recent filings connect the profile to Zenas BioPharma, Inc. (ZBIO) and Zai Lab Limited (ZLAB). The current snapshot covers public activity from Jun 20, 2024 to May 18, 2026. Reported amounts are shown as $1.0M to $450.5K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.

Data sources and methodology

History Trades

CompanyValueActionPriceLast Price
Zenas BioPharma, Inc.ZBIO$617k35k sharesBuyApr 29, 2026$17.62$18.09
Zenas BioPharma, Inc.ZBIO$451k25k sharesBuyApr 28, 2026$18.02$18.09
Zenas BioPharma, Inc.ZBIO$657k34k sharesBuyMar 31, 2026$19.31$18.09
Zenas BioPharma, Inc.ZBIO$365k20k sharesBuyMar 30, 2026$18.23$18.09
Zenas BioPharma, Inc.ZBIO$1.0M57k sharesBuyFeb 2, 2026$17.96$18.09
Zenas BioPharma, Inc.ZBIO$331k20k sharesBuyJan 9, 2026$16.55$18.09
Zenas BioPharma, Inc.ZBIO$489k30k sharesBuyJan 8, 2026$16.30$18.09
Zenas BioPharma, Inc.ZBIO$819k50k sharesBuyJan 7, 2026$16.38$18.09
Zenas BioPharma, Inc.ZBIO$770k36.9k sharesBuyOct 7, 2025$20.85$18.09
Zenas BioPharma, Inc.ZBIO$167k25k sharesBuyFeb 18, 2025$6.67$18.09
Zenas BioPharma, Inc.ZBIO$449k45k sharesBuyDec 4, 2024$9.98$18.09
Zenas BioPharma, Inc.ZBIO$269k25k sharesBuyDec 3, 2024$10.76$18.09
Zenas BioPharma, Inc.ZBIO$36k2.5k sharesBuyNov 19, 2024$14.57$18.09
Zenas BioPharma, Inc.ZBIO$113k7.5k sharesBuyNov 18, 2024$15.00$18.09