Transaction #194 · Form 4 · 0001193125-25-239153
Zenas BioPharma, Inc. · Purchase · Common Stock
Zenas BioPharma, Inc. · Transacted October 9, 2025 · Filed October 14, 2025
What does this filing report?
An SEC Form 4 filing for Zenas BioPharma, Inc. records a purchase involving Common Stock on October 9, 2025. The reported quantity was 63,158. The filing date is October 14, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- Zenas BioPharma, Inc.
- Company CIK
- 0001953926
- Security type
- Non-derivative
- Acquisition type
- Purchase · Code P
- Quantity acquired
- 63,158
- Reported price
- 19
- Reference value
- 1,200,002
- Currency
- Currency not specified
- Ownership
- Indirect
- Holdings after transaction
- 1,173,395
- Ownership description
- See Note 2
- SEC acceptance time
- Oct 14, 2025, 5:14 PM EDT
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- George Simeon ↗
10% owner
CIK 0001595117
- SR ONE CAPITAL MANAGEMENT, LLC ↗
10% owner
CIK 0001853723
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
The linked listing is identified separately from other current company listings.
Filing footnotes & remarks
- F1
- Acquired from the Issuer on October 9, 2025 pursuant to a Securities Purchase Agreement dated October 7, 2025.
- F2
- The reported securities are held directly by SR One Capital Opportunities Fund I, LP. SR One Capital Opportunities Partners I, LP is the general partner of SR One Capital Opportunities Fund I, LP, and SR One Capital Management, LLC is the general partner of SR One Capital Opportunities Partners I, LP. Simeon George, M.D. is the managing member of SR One Capital Management, LLC. Each of SR One Capital Opportunities Partners I, LP, SR One Capital Management, LLC and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
- F3
- The reported securities are held directly by AMZL, LP. SR One Capital SMA Partners, LP is the general partner of AMZL, LP, and SR One Capital Management, LLC is the general partner of SR One Capital SMA Partners, LP. Simeon George, M.D. is the managing member of SR One Capital Management, LLC. Each of SR One Capital SMA Partners, LP, SR One Capital Management, LLC and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
- F4
- The reported securities are held directly by SR One Capital Fund II Aggregator, LP. SR One Capital Partners II, LP is the general partner of SR One Capital Fund II Aggregator, LP, and SR One Capital Management, LLC is the general partner of SR One Capital Partners II, LP. Simeon George, M.D. is the managing member of SR One Capital Management, LLC. Each of SR One Capital Partners II, LP, SR One Capital Management, LLC and Dr. George may be deemed to have shared power to vote or dispose of these shares, and each disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.