InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Zenas BioPharma, Inc.

ZBIO Clue Score40
United States Fiscal year ends December CIK 0001953926 Results filed 5 Nov 2026
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What the insiders did Net buying

Individual transactions

17
Insider
Date
Role
Action
Shares
Price
Amount
Leon O Moulder Jr
18 May 2026
Chief Executive Officer
Buy indirect
60,000
$16.88
$1.01M
Leon O Moulder Jr
29 Apr 2026
Chief Executive Officer
Buy indirect
35,000
$17.62
$616.70K
Leon O Moulder Jr
28 Apr 2026
Chief Executive Officer
Buy indirect
25,000
$18.02
$450.50K
Hongbo Lu
31 Mar 2026
Director
Buy indirect
75,000
$20.00
$1.50M
Leon O Moulder Jr
31 Mar 2026
Chief Executive Officer
Buy indirect
34,000
$19.31
$656.54K
Fairmount Funds Management LLC
31 Mar 2026
Director
Buy indirect
150,000
$20.00
$3.00M
Hongbo Lu
31 Mar 2026
Director
Buy indirect
3,768
$18.63
$70.20K
Leon O Moulder Jr
30 Mar 2026
Chief Executive Officer
Buy indirect
20,000
$18.23
$364.60K
Patricia L Allen
13 Feb 2026
Director
Buy
4,160
$26.36
$109.66K
Patricia L Allen
12 Feb 2026
Director
Buy
5,000
$26.50
$132.50K
Patricia L Allen
12 Feb 2026
Director
Buy
5,700
$24.34
$138.74K
Patricia L Allen
12 Feb 2026
Director
Buy
5,000
$23.77
$118.85K
Hongbo Lu
11 Feb 2026
Director
Buy indirect
25,985
$22.50
$584.66K
Leon O Moulder Jr
2 Feb 2026
Chief Executive Officer
Buy
57,000
$17.96
$1.02M
Leon O Moulder Jr
9 Jan 2026
Chief Executive Officer
Buy
20,000
$16.55
$331.00K
Leon O Moulder Jr
8 Jan 2026
Chief Executive Officer
Buy
30,000
$16.30
$489.00K
Leon O Moulder Jr
7 Jan 2026
Chief Executive Officer
Buy
50,000
$16.38
$819.00K

What was left out

Form 4 filings counted 21
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 1
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 2,566
History held since 16 Sep 2024