Form 4 Tracker
Zenas BioPharma, Inc.
ZBIO

8 insider filings · Latest: Apr 28, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Apr 29, 2026Apr 29 11:21 PMLeon O Moulder JRDirector, Chief Executive Officer
Purchase
35,000$17.62$616.7K1,786,039(I)

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Apr 28, 2026Apr 29 11:21 PMLeon O Moulder JRDirector, Chief Executive Officer
Purchase
25,000$18.02$450.5K1,751,039(I)

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Mar 31, 2026Apr 2 9:02 PMHongbo LuDirector
Purchase
3,768$18.63$70.2K426,736(I)

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Mar 31, 2026Apr 1 8:30 PMFairmount Funds Management LLCDirector
Purchase
150,000$20.00$3.0M2,359,025(I)

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Mar 31, 2026Apr 1 12:14 AMLeon O Moulder JRDirector, Chief Executive Officer
Purchase
34,000$19.31$656.5K1,726,039(I)

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Mar 30, 2026Apr 1 12:14 AMLeon O Moulder JRDirector, Chief Executive Officer
Purchase
20,000$18.23$364.6K1,692,039(I)

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Mar 31, 2026Mar 31 9:00 PMHongbo LuDirector
Purchase
75,000$20.00$1.5M422,968(I)

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Feb 11, 2026Feb 13 10:35 PMHongbo LuDirector
Purchase
25,985$22.50$584.7K347,968(I)

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Feb 13, 2026Feb 13 10:06 PMPatricia L AllenDirector
Purchase
4,160$26.36$109.7K19,860(D)

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Feb 12, 2026Feb 13 10:06 PMPatricia L AllenDirector
Purchase
15,700$24.85$390.1K15,700(D)

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Feb 2, 2026Feb 3 9:30 PMLeon O Moulder JRDirector, Chief Executive Officer
Purchase
57,000$17.96$1.0M423,155(D)

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Stock Options & Derivatives

No transactions found.