Leon O. Moulder owns 3.54% of Zenas BioPharma
2,306,122 shares as of the June 15, 2026 filing, worth $57.3M at the latest close.
ZBIO · $1.6B market cap · Founder-ledGet an email when Leon O. Moulder’s stake moves.
Free.
The stake
3.54%
worth $57.3M at the latest close
Stake rank
#648
by dollar value of the stake
Last sale
None
no sales since 2024
Last buy
154 days ago
May 18, 2026 · $1M
Leon O. Moulder owns 3.54% of Zenas BioPharma, Inc.: 2,306,122 of 65,176,723 shares, worth about $57.3M at the 2026-10-16 close. The stake has moved from 2.68% in 2024 to 3.54% on 2026-07-31, across 0 sales and 10 purchases that moved it since 2016. The last trade that moved it was a discretionary purchase of $1M on 2026-05-18.
How the stake is held
as of the May 18, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated May 18, 2026 · Form 4 ↗
HELD DIRECTLY
423,155
18.3%
HELD INDIRECTLY · 2 VEHICLES
1,882,967
81.7%
Indirect holding
1,786,039
77.4%
Indirect, per the filing’s footnote
96,928
4.2%
THE STAKE
2,306,122
3.54%