0001953926 2026-09-10 2026-09-10 0001953926 1 2026-09-10 2026-09-10 iso4217:USD pure shares S-3 S-3ASR EX-FILING FEES 0001953926 Zenas BioPharma, Inc. N/A N/A S-3 Zenas BioPharma, Inc. false Equity Common Stock, par value $0.0001 per share true 7000000 32.81 229670000.00 0.0001381 31717.43 229670000.00 31717.43 0.00 0.00 31717.43 (a) The registration statement to which this exhibit is attached registers the resale from time to time by certain stockholders of up to 7,000,000 shares of common stock, $0.0001 par value per share (the "Common Stock"), that were initially issued pursuant to the Subscription Agreement dated as of October 7, 2025, by and between the Registrant and the selling stockholder named in the registration statement. Pursuant to Rule 416 under the Securities Act of 1933, as amended, the registration statement also covers such additional securities that may be issued as a result of stock splits, stock dividends or similar transactions. (b) Estimated solely for the purpose of calculating the registration fee in accordance with Rule 457(c) based on the average of the high and low prices of the Registrant's Common Stock as reported on The Nasdaq Global Select Market on September 9, 2026 to be $33.53 and $32.08, respectively.