Leon O. Moulder Jr., Chief Executive Officer at Zenas BioPharma, Inc. (ZBIO), bought 60,000 shares at $16.88 ($1.0M) on 2026-05-18, disclosed to the SEC on 2026-05-18.
CEO Leon O. Moulder Jr. purchased 60,000 shares at $16.88 on May 18, 2026, marking the largest insider purchase in Zenas BioPharma's history. This significant buyback by the CEO comes as the stock has crashed 36.89% over the last 90 days, potentially signaling confidence in the current valuation.
ZBIO is trading at $16.895, having lost 36.89% over the last 90 days and 17.24% in the past five days. The stock remains significantly below its 52-week high of $44.60, down 62.12% from that peak.
Clearly above the average filing.
| Filing → |
| ZBIO | BUY | 2026-02-03 | $1.0M | — | Filing → |
| ZBIO | BUY | 2026-01-09 | $1.6M | — | Filing → |
| ZBIO | BUY | 2025-10-09 | $1.5M | — | Filing → |