Over the 90-day window ending February 07, 2026, Zenas BioPharma's three dominant insider ownership positions are held by TenPercentOwner Sciences Gp, Llc Enavate (3.76Mn shares), Director Funds Management Llc Fairmount (2.21Mn shares), TenPercentOwner One Capital Management, Llc Sr (1.92Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Sciences Gp, Llc Enavate | 3,761,359 | 18 Sep, 2024 | |
| Funds Management Llc Fairmount | 2,209,025 | 09 Oct, 2025 | |
| One Capital Management, Llc Sr | 1,917,895 | 14 Oct, 2025 | |
| Patrick G Enright | 1,844,659 | 14 Oct, 2025 | |
| Jason Raleigh Nunn | 1,173,395 | 14 Oct, 2025 | |
| Biomedical Innovation Master Investors (Cayman) I L.P. Wellington | 801,624 | 18 Sep, 2024 | |
| Leon O Jr Moulder | Chief Executive Officer | 460,083 | 03 Feb, 2026 |
| Hongbo Lu | 58,823 | 17 Sep, 2024 | |
| Ting Xiao | 47,000 | 11 Feb, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 02 Feb, 2026 | Leon O Jr Moulder | Common Stock | A | 57,000 | $17.96 | 423,155 | D | P |
| 09 Jan, 2026 | Leon O Jr Moulder | Common Stock | A | 20,000 | $16.55 | 366,155 | D | P |
| 08 Jan, 2026 | Leon O Jr Moulder | Common Stock | A | 30,000 | $16.30 | 346,155 | D | P |
| 07 Jan, 2026 | Leon O Jr Moulder | Common Stock | A | 50,000 | $16.38 | 316,155 | D | P |
| 09 Oct, 2025 | Patrick G Enright | Common Stock | A | 11,990 | $20.85 | 11,990 | D | P |
| 09 Oct, 2025 | Patrick G Enright | - | - | 1,832,669 | I | |||
| 09 Oct, 2025 | Patrick G Enright | Common Stock | A | 105,265 | $19.00 | 1,832,669 | I | P |
| 09 Oct, 2025 | Jason Raleigh Nunn | Common Stock | A | 63,158 | $19.00 | 1,173,395 | I | P |
| 09 Oct, 2025 | One Capital Management, Llc Sr | - | - | 1,917,895 | I | |||
| 09 Oct, 2025 | One Capital Management, Llc Sr | Common Stock | A | 63,158 | $19.00 | 1,173,395 | I | P |
| 09 Oct, 2025 | One Capital Management, Llc Sr | Common Stock | A | 63,157 | $19.00 | 1,917,895 | I | P |
| 07 Oct, 2025 | Leon O Jr Moulder | Common Stock | A | 36,928 | $20.85 | 36,928 | I | P |
| 07 Oct, 2025 | Funds Management Llc Fairmount | - | - | 2,209,025 | I | |||
| 07 Oct, 2025 | Funds Management Llc Fairmount | Common Stock | A | 316,219 | $19.00 | 2,209,025 | I | P |
| 18 Feb, 2025 | Leon O Jr Moulder | Common Stock | A | 25,000 | $6.67 | 266,155 | D | P |
| 18 Feb, 2025 | Leon O Jr Moulder | - | - | 266,155 | D | |||
| 07 Feb, 2025 | Ting Xiao | Common Stock | A | 10,000 | $7.76 | 47,000 | D | P |
| 04 Dec, 2024 | Leon O Jr Moulder | Common Stock | A | 45,000 | $9.98 | 241,155 | D | P |
| 03 Dec, 2024 | Leon O Jr Moulder | Common Stock | A | 25,000 | $10.76 | 196,155 | D | P |
| 19 Nov, 2024 | Leon O Jr Moulder | Common Stock | A | 2,500 | $14.57 | 171,155 | D | P |