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| Keyboard |
| Zenas Biopharma Inc | |
|---|---|
| Ticker | ZBIO |
| CIK # | 0001953926 |
| CUSIP | 74347B193 |
| Sector | Life Sciences - Pharmaceutical Preparations |
| Address | 1000 Winter St, Suite 1200, Waltham, MA 02451 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Zenas Biopharma Inc | 2024-05-14 | 200.1 M | Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose |
| Zenas Biopharma Cayman Ltd | 2022-11-15 | 183.9 M | Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001953926] | 10-K | |
| [0001953926] | 10-Q | |
| [0001953926] | 3 | |
| [0001953926] | 4 | |
| [0001953926] | 8-K | |
| [0001953926] | D | |
| [0001953926] | SC 13D | |
| [0001953926] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Moulder Leon O Jr
Common Stock
|
2026-03-31 | Buy | 34,000 | $19.31 | 656,540 |
|
Lu Hongbo
Common Stock
|
2026-03-31 | Buy | 75,000 | $20.00 | 1,500,000 |
|
Moulder Leon O Jr
Common Stock
|
2026-03-30 | Buy | 20,000 | $18.23 | 364,600 |
|
Allen Patricia L
Common Stock
|
2026-02-13 | Buy | 4,160 | $26.36 | 109,658 |
|
Allen Patricia L
Common Stock
|
2026-02-12 | Buy | 5,700 | $24.34 | 138,738 |
|
Allen Patricia L
Common Stock
|
2026-02-12 | Buy | 5,000 | $23.77 | 118,850 |
|
Allen Patricia L
Common Stock
|
2026-02-12 | Buy | 5,000 | $26.50 | 132,500 |
|
Lu Hongbo
Common Stock
|
2026-02-11 | Buy | 25,985 | $22.50 | 584,662 |
|
Moulder Leon O Jr
Common Stock
|
2026-02-02 | Buy | 57,000 | $17.96 | 1,023,720 |
|
Moulder Leon O Jr
Common Stock
|
2026-01-09 | Buy | 20,000 | $16.55 | 331,000 |
|
Moulder Leon O Jr
Common Stock
|
2026-01-08 | Buy | 30,000 | $16.30 | 489,000 |
|
Moulder Leon O Jr
Common Stock
|
2026-01-07 | Buy | 50,000 | $16.38 | 819,000 |
|
George Simeon +1
Common Stock
|
2025-10-09 | Buy | 63,157 | $19.00 | 1,199,983 |
|
George Simeon +1
Common Stock
|
2025-10-09 | Buy | 63,158 | $19.00 | 1,200,002 |
|
Enright Patrick G
Common Stock
|
2025-10-09 | Buy | 11,990 | $20.85 | 249,992 |
|
Enright Patrick G
Common Stock
|
2025-10-09 | Buy | 105,265 | $19.00 | 2,000,035 |
|
Nunn Jason Raleigh
Common Stock
|
2025-10-09 | Buy | 63,158 | $19.00 | 1,200,002 |
|
Moulder Leon O Jr
Common Stock
|
2025-10-07 | Buy | 36,928 | $20.85 | 769,949 |
|
Kiselak Tomas +3
Common Stock
|
2025-10-07 | Buy | 316,219 | $19.00 | 6,008,161 |
|
Lu Hongbo
Common Stock
|
2025-10-07 | Buy | 263,160 | $19.00 | 5,000,040 |
| showing 20 of 127 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 140 | 55,144,296 |
| 2025-12-31 | 126 | 41,657,114 |
| 2025-09-30 | 81 | 34,498,174 |
| 2025-06-30 | 74 | 34,056,527 |
| 2025-03-31 | 68 | 32,489,883 |
| 2024-12-31 | 66 | 31,716,256 |
| 2024-09-30 | 45 | 24,269,336 |
| 2020-03-31 | 2 | 1,026 |
| 2019-12-31 | 7 | 49,280 |
| 2019-09-30 | 6 | 65,388 |
| 2019-06-30 | 6 | 44,937 |
| 2019-03-31 | 7 | 86,862 |
| Form 13F Holdings | ||||
|---|---|---|---|---|
| Firm | Period | DFND | Voting | Shares |
| Y-Intercept Hong Kong Ltd | [2026-06-30] | SOLE | 17,332 | 17,332 |
| Gamma Investing LLC | [2026-06-30] | DFND | 195 | 195 |
| Torren Management LLC | [2026-06-30] | SOLE | 0 | 95 |
| Physician Wealth Advisors Inc | [2026-06-30] | SOLE | 0 | 67 |
| Fortitude Family Office LLC | [2026-06-30] | SOLE | 29 | 29 |
| Corecap Advisors LLC | [2026-06-30] | SOLE | 0 | 12 |
| Hughes Financial Services LLC | [2026-06-30] | SOLE | 1 | 1 | Prev | Page 1 | Next |