S-3 S-3ASR EX-FILING FEES 0001953926 Zenas BioPharma, Inc. N/A N/A 0001953926 2025-10-08 2025-10-08 0001953926 1 2025-10-08 2025-10-08 0001953926 2 2025-10-08 2025-10-08 0001953926 3 2025-10-08 2025-10-08 0001953926 4 2025-10-08 2025-10-08 0001953926 5 2025-10-08 2025-10-08 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

Zenas BioPharma, Inc.

Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable

Security Type

Security Class Title

Fee Calculation or Carry Forward Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

Carry Forward Form Type

Carry Forward File Number

Carry Forward Initial Effective Date

Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward

Newly Registered Securities
Fees to be Paid 1 Equity Common Stock, par value $0.0001 per share 457(r) 0.0001381
Fees to be Paid 2 Equity Stock, par value $0.0001 per share 457(r) 0.0001381
Fees to be Paid 3 Other Warrants 457(r) 0.0001381
Fees to be Paid 4 Debt Debt Securities 457(r) 0.0001381
Fees to be Paid 5 Equity Common Stock, par value $0.0001 per share 457(o) $ 200,000,000.00 0.0001381 $ 27,620.00
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 200,000,000.00

$ 27,620.00

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 27,620.00

Offering Note

1

The registrant is registering hereby an unspecified principal amount or number and offering price of securities of each identified class as may be offered, from time to time, hereunder, along with an indeterminate principal amount or number of securities that may be issued upon exercise, settlement, exchange or conversion of securities offered or sold hereunder. Separate consideration may or may not be received for securities that are issued upon conversion, exercise or exchange of other securities. The proposed maximum aggregate offering price per class of security will be determined from time to time by the registrant in connection with the issuance by the registrant of the securities registered hereunder and is not specified as to each class of security pursuant to General Instruction II.D of Form S-3 under the Securities Act. Any securities registered hereunder may be sold separately or as units with other securities registered hereunder. In accordance with Rule 456(b) and 457(r) under the Securities Act, the registrant is deferring payment of all registration fees other than the registration fee due in connection with $200,000,000 of shares of common stock that may be issued and sold from time to time under the sale agreement prospectus contained in this registration statement. Any subsequent registration fees will be paid on a pay-as-you-go basis.

2

See Offering Note 1.

3

The registrant is registering hereby an unspecified principal amount or number and offering price of securities of each identified class as may be offered, from time to time, hereunder, along with an indeterminate principal amount or number of securities that may be issued upon exercise, settlement, exchange or conversion of securities offered or sold hereunder. Separate consideration may or may not be received for securities that are issued upon conversion, exercise or exchange of other securities. The proposed maximum aggregate offering price per class of security will be determined from time to time by the registrant in connection with the issuance by the registrant of the securities registered hereunder and is not specified as to each class of security pursuant to General Instruction II.D of Form S-3 under the Securities Act. Any securities registered hereunder may be sold separately or as units with other securities registered hereunder. The warrants covered by this registration statement may be warrants to purchase common stock, preferred stock and/or debt securities of the registrant. In accordance with Rule 456(b) and 457(r) under the Securities Act, the registrant is deferring payment of all registration fees other than the registration fee due in connection with $200,000,000 of shares of common stock that may be issued and sold from time to time under the sale agreement prospectus contained in this registration statement. Any subsequent registration fees will be paid on a pay-as-you-go basis.

4

See Offering Note 1.

5

The registration fee is calculated in accordance with Rule 457(o) under the Securities Act, based on the proposed maximum aggregate offering price.

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rules 457(b) and 0-11(a)(2)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Rule 457(p)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Table 3: Combined Prospectuses ☑Not Applicable

Security Type

Security Class Title

Amount of Securities Previously Registered

Maximum Aggregate Offering Price of Securities Previously Registered

Form Type

File Number

Initial Effective Date

N/A N/A N/A N/A N/A N/A N/A N/A