| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MOULDER LEON O JR | Chief Executive Officer, Director | C/O ZENAS BIOPHARMA, INC., 852 WINTER ST., SUITE 250, WALTHAM | By: /s/ Jeffrey Held, Attorney-in-Fact | 2025-10-09 | 0001228865 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ZBIO | Common Stock | Purchase | $770K | +36.9K | $20.85 | 36.9K | Oct 7, 2025 | See Footnote | F1, F2 | |
| holding | ZBIO | Common Stock | 1.67M | Oct 7, 2025 | See Footnote | F3 | |||||
| holding | ZBIO | Common Stock | 266K | Oct 7, 2025 | Direct |
| Id | Content |
|---|---|
| F1 | On October 7, 2025, the Leon O. Moulder, Jr. Revocable Trust U/A dtd 9/9/2008 (the "Trust"), of which the reporting person is a Trustee, entered into a Securities Purchase Agreement, dated as of October 7, 2025, by and among the Issuer and the investors party thereto, pursuant to which the Trust acquired 36,928 shares of common stock at a purchase price of $20.85 per share. |
| F2 | The reporting person is a Trustee of the Trust and may be deemed to have voting and dispositive power over the shares held by the Trust. The reporting person is the Issuer's chief executive officer and Chairman of its board of directors. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. |
| F3 | The reporting person is the Managing Member of Tellus BioVentures LLC ("Tellus") and may be deemed to have voting and dispositive power over the shares held by Tellus. The reporting person is the Issuer's chief executive officer and Chairman of its board of directors. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. |
Chief Executive Officer