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

45
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
Patrick G Enright
9 Oct 2025
Director
Buy
11,990
$20.85
$249.99K
Patrick G Enright
9 Oct 2025
Director
Buy indirect
105,265
$19.00
$2.00M
Sr One Capital Management, LLC
9 Oct 2025
10% owner
Buy indirect
63,157
$19.00
$1.20M
Sr One Capital Management, LLC
9 Oct 2025
10% owner
Buy indirect
63,158
$19.00
$1.20M
Jason Raleigh Nunn
9 Oct 2025
Director
Buy indirect
63,158
$19.00
$1.20M
Hongbo Lu
7 Oct 2025
Director
Buy indirect
263,160
$19.00
$5.00M
Fairmount Funds Management LLC
7 Oct 2025
Director
Buy indirect
316,219
$19.00
$6.01M
Leon O Moulder Jr
7 Oct 2025
See Remarks
Buy indirect
36,928
$20.85
$769.95K
Leon O Moulder Jr
18 Feb 2025
Chief Executive Officer
Buy
25,000
$6.67
$166.75K
Ting Xiao
7 Feb 2025
Director
Buy
10,000
$7.76
$77.60K
Leon O Moulder Jr
4 Dec 2024
Chief Executive Officer
Buy
45,000
$9.98
$449.10K
Leon O Moulder Jr
3 Dec 2024
Chief Executive Officer
Buy
25,000
$10.76
$269.00K
Leon O Moulder Jr
19 Nov 2024
Chief Executive Officer
Buy
2,500
$14.57
$36.43K
Leon O Moulder Jr
18 Nov 2024
Chief Executive Officer
Buy
7,500
$15.00
$112.50K
Leon O Moulder Jr
20 Sep 2024
Chief Executive Officer
Buy indirect
2,633
$18.97
$49.95K
Leon O Moulder Jr
20 Sep 2024
Chief Executive Officer
Buy indirect
2,367
$17.88
$42.32K
Leon O Moulder Jr
19 Sep 2024
Chief Executive Officer
Buy indirect
5,000
$17.89
$89.45K
Leon O Moulder Jr
18 Sep 2024
Chief Executive Officer
Buy indirect
10,000
$17.91
$179.10K
Sr One Capital Management, LLC
16 Sep 2024
10% owner
Buy indirect
441,176
$17.00
$7.50M
Sr One Capital Management, LLC
16 Sep 2024
10% owner
Buy indirect
1,352,942
$17.00
$23.00M
Sr One Capital Management, LLC
16 Sep 2024
10% owner
Buy indirect
441,176
$17.00
$7.50M
Fairmount Funds Management LLC
16 Sep 2024
Director
Buy indirect
300,000
$17.00
$5.10M
Jason Raleigh Nunn
16 Sep 2024
Director
Buy indirect
441,176
$17.00
$7.50M
Jason Raleigh Nunn
16 Sep 2024
Director
Buy indirect
441,176
$17.00
$7.50M
Patrick G Enright
16 Sep 2024
Director
Buy indirect
440,000
$17.00
$7.48M
Enavate Sciences GP, LLC
16 Sep 2024
10% owner
Buy indirect
882,353
$17.00
$15.00M
Hongbo Lu
13 Sep 2024
Director
Buy indirect
58,823
$17.00
$999.99K
Hongbo Lu
13 Sep 2024
Director
Buy indirect
58,823
$17.00
$999.99K
Show all 45 transactions →

What was left out

Form 4 filings counted 62
Amendments (4/A) skipped 3
Filings about a different issuer 0
Unreadable filings 0
Joint filings 7
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 12,593,890
History held since 16 Sep 2024