ZBIO
Zenas BioPharma, Inc.Company with tickers: ZBIO
CIK
1953926
CUSIP
98937L105
Shares Outstanding
62,361,260
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
| Date | Insider | Role | Type | Shares |
|---|---|---|---|---|
| 2026-03-31 | Lu Hongbo | Director | Buy | 3,768 |
| 2026-03-31 | Fairmount Funds Management LLC | Director | Buy | 150,000 |
| 2026-03-31 | MOULDER LEON O JR | Director | Buy | 34,000 |
| 2026-03-31 | Lu Hongbo | Director | Buy | 75,000 |
| 2026-03-30 | MOULDER LEON O JR | Director | Buy | 20,000 |
| 2026-03-30 | MOULDER LEON O JR | Director | Other | 36,928 |
| 2026-02-13 | Allen Patricia L | Director | Buy | 4,160 |
| 2026-02-12 | Allen Patricia L | Director | Buy | 5,000 |
| 2026-02-11 | Lu Hongbo | Director | Buy | 25,985 |
| 2026-02-02 | MOULDER LEON O JR | Director | Buy | 57,000 |
| 2026-02-02 | MOULDER LEON O JR | Director | Other | 36,928 |
| 2026-01-09 | MOULDER LEON O JR | Director | Buy | 20,000 |
| 2026-01-08 | MOULDER LEON O JR | Director | Buy | 30,000 |
| 2026-01-07 | MOULDER LEON O JR | Director | Buy | 50,000 |
| 2026-01-07 | MOULDER LEON O JR | Director | Other | 36,928 |
| 2025-10-09 | Nunn Jason Raleigh | Director | Buy | 63,158 |
| 2025-10-09 | Nunn Jason Raleigh | Director | Other | 1,946,564 |
| 2025-10-09 | SR ONE CAPITAL MANAGEMENT, LLC | 10% Owner | Other | 1,946,564 |
| 2025-10-09 | SR ONE CAPITAL MANAGEMENT, LLC | 10% Owner | Buy | 63,158 |
| 2025-10-09 | ENRIGHT PATRICK G | Director | Other | 774,530 |
| 2025-10-09 | ENRIGHT PATRICK G | Director | Buy | 105,265 |
| 2025-10-07 | MOULDER LEON O JR | Director | Other | 1,672,039 |
| 2025-10-07 | MOULDER LEON O JR | Director | Buy | 36,928 |
| 2025-10-07 | Fairmount Funds Management LLC | Director | Buy | 316,219 |
| 2025-10-07 | Lu Hongbo | Director | Buy | 263,160 |
| 2025-10-07 | InnoCare Pharma Inc. | 10% Owner | Other | 5,000,000 |
| 2025-06-10 | Nunn Jason Raleigh | Director | Award | 18,500 |
| 2025-06-10 | Fox Jennifer A. | Director | Award | 150,000 |
| 2025-06-10 | Oliveira Orlando | See Remarks | Award | 100,000 |
| 2025-06-10 | Boylan James P | Director | Award | 18,500 |
| 2025-06-10 | Allen Patricia L | Director | Award | 18,500 |
| 2025-06-10 | Farmer Joseph L | See Remarks | Award | 175,000 |
| 2025-06-10 | Fairmount Funds Management LLC | Director | Award | 18,500 |
| 2025-06-10 | ENRIGHT PATRICK G | Director | Award | 18,500 |
| 2025-06-10 | ORLOFF JOHN J | Director | Award | 18,500 |
| 2025-06-10 | Lu Hongbo | Director | Award | 18,500 |
| 2025-06-10 | MOULDER LEON O JR | Director | Award | 400,000 |
| 2025-04-15 | von Moltke Lisa | See Remarks | Award | 400,000 |
| 2025-03-17 | von Moltke Lisa | See Remarks | Other | 0 |
| 2025-02-18 | MOULDER LEON O JR | Director | Other | 1,672,039 |
| 2025-02-18 | MOULDER LEON O JR | Director | Buy | 25,000 |
| 2025-02-07 | Xiao Ting | Director | Buy | 10,000 |
| 2024-12-16 | Fox Jennifer A. | Director | Award | 8,125 |
| 2024-12-16 | Oliveira Orlando | See Remarks | Award | 7,775 |
| 2024-12-04 | MOULDER LEON O JR | Director | Buy | 45,000 |
| 2024-12-03 | MOULDER LEON O JR | Director | Other | 1,672,039 |
| 2024-12-03 | MOULDER LEON O JR | Director | Buy | 25,000 |
| 2024-11-19 | MOULDER LEON O JR | Director | Buy | 2,500 |
| 2024-11-18 | MOULDER LEON O JR | Director | Other | 1,672,039 |
| 2024-11-18 | MOULDER LEON O JR | Director | Buy | 7,500 |
| 2024-09-20 | MOULDER LEON O JR | Director | Buy | 2,367 |
| 2024-09-19 | MOULDER LEON O JR | Director | Buy | 5,000 |
| 2024-09-18 | MOULDER LEON O JR | Director | Other | 161,155 |
| 2024-09-18 | MOULDER LEON O JR | Director | Buy | 10,000 |
| 2024-09-16 | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | 10% Owner | Other | 1,742,858 |
| 2024-09-16 | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | 10% Owner | Other | 1,568,480 |
| 2024-09-16 | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | 10% Owner | Other | 3,649,263 |
| 2024-09-16 | Wellington Biomedical Innovation Master Investors (Cayman) I L.P. | 10% Owner | Other | 180,635 |
| 2024-09-16 | Enavate Sciences GP, LLC | 10% Owner | Other | 14,523,821 |
| 2024-09-16 | Enavate Sciences GP, LLC | 10% Owner | Other | 10,474,889 |
| 2024-09-16 | Enavate Sciences GP, LLC | 10% Owner | Buy | 882,353 |
| 2024-09-16 | Enavate Sciences GP, LLC | 10% Owner | Other | 2,879,006 |
| 2024-09-16 | ENRIGHT PATRICK G | Director | Other | 6,284,933 |
| 2024-09-16 | ENRIGHT PATRICK G | Director | Other | 8,714,293 |
| 2024-09-16 | ENRIGHT PATRICK G | Director | Other | 723,812 |
| 2024-09-16 | ENRIGHT PATRICK G | Director | Buy | 440,000 |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | 10% Owner | Other | 1,505,388 |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | 10% Owner | Other | 13,071,439 |
| 2024-09-16 | SR ONE CAPITAL MANAGEMENT, LLC | 10% Owner | Buy | 441,176 |
| 2024-09-16 | MOULDER LEON O JR | Director | Other | 941,088 |
| 2024-09-16 | MOULDER LEON O JR | Director | Other | 3,230,268 |
| 2024-09-16 | MOULDER LEON O JR | Director | Other | 1,428,571 |
| 2024-09-16 | MOULDER LEON O JR | Director | Other | 164,523 |
| 2024-09-16 | Nunn Jason Raleigh | Director | Other | 13,071,439 |
| 2024-09-16 | Nunn Jason Raleigh | Director | Buy | 441,176 |
| 2024-09-16 | Nunn Jason Raleigh | Director | Other | 1,505,388 |
| 2024-09-16 | Fairmount Funds Management LLC | Director | Other | 6,163,236 |
| 2024-09-16 | Fairmount Funds Management LLC | Director | Other | 41,130 |
| 2024-09-16 | Fairmount Funds Management LLC | Director | Other | 2,614,287 |
| 2024-09-16 | Fairmount Funds Management LLC | Director | Other | 357,143 |
| 2024-09-16 | Fairmount Funds Management LLC | Director | Buy | 300,000 |
| 2024-09-16 | Fairmount Funds Management LLC | Director | Other | 2,195,871 |
| 2024-09-13 | Lu Hongbo | Director | Buy | 58,823 |
| 2024-09-13 | Lu Hongbo | Director | Buy | 58,823 |
| 2024-09-12 | MOULDER LEON O JR | Director | Other | 0 |
| 2024-09-12 | MOULDER LEON O JR | Director | Other | 0 |
| 2024-09-12 | MOULDER LEON O JR | Director | Other | 0 |
| 2024-09-12 | Oliveira Orlando | See Remarks | Other | 0 |
| 2024-09-12 | Allen Patricia L | Director | Other | 0 |
| 2024-09-12 | Boylan James P | Director | Other | 0 |
| 2024-09-12 | SR ONE CAPITAL MANAGEMENT, LLC | 10% Owner | Other | 0 |
| 2024-09-12 | Nunn Jason Raleigh | Director | Other | 0 |
| 2024-09-12 | ENRIGHT PATRICK G | Director | Other | 0 |
| 2024-09-12 | ENRIGHT PATRICK G | Director | Other | 0 |
| 2024-09-12 | Lu Hongbo | Director | Other | 0 |
| 2024-09-12 | ORLOFF JOHN J | Director | Other | 0 |
| 2024-09-12 | Fox Jennifer A. | Director | Award | 155,000 |
| 2024-09-12 | Farmer Joseph L | See Remarks | Award | 206,000 |
| 2024-09-12 | Fairmount Funds Management LLC | Director | Award | 37,000 |
| 2024-09-12 | Nunn Jason Raleigh | Director | Award | 37,000 |