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S-3 S-3 EX-FILING FEES 0001501989 CytomX Therapeutics, Inc. N/A N/A 0.0001531 0.0001531 0.0001531 0.0001531 0.0001531 0001501989 2025-08-05 2025-08-05 0001501989 1 2025-08-05 2025-08-05 0001501989 2 2025-08-05 2025-08-05 0001501989 3 2025-08-05 2025-08-05 0001501989 4 2025-08-05 2025-08-05 0001501989 5 2025-08-05 2025-08-05 0001501989 6 2025-08-05 2025-08-05 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-3

CytomX Therapeutics, 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
Equity Common Stock, par value $0.00001 per share 457(o)
Equity Preferred Stock, par value $0.00001 per share 457(o)
Debt Debt Securities 457(o)
Other Warrants 457(o)
Other Units 457(o)
Fees to be Paid 1 Unallocated (Universal) Shelf 457(o) $ 250,000,000.00 0.0001531 $ 38,275.00
Fees Previously Paid
Carry Forward Securities
Carry Forward Securities

Total Offering Amounts:

$ 250,000,000.00

$ 38,275.00

Total Fees Previously Paid:

$ 0.00

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 38,275.00

Offering Note

1

Note 1(a). Includes rights to acquire common stock or preferred stock of CytomX Therapeutics, Inc. under any shareholder rights plan then in effect, if applicable under the terms of any such plan. Note 1(b). Includes an unspecified number of securities or aggregate principal amount, as applicable, is being registered as may from time to time be offered at unspecified prices and, in addition, an unspecified number of additional securities is being registered as may be issued from time to time upon conversion of, or exchange for, any preferred stock or debt securities that provide for conversion or exchange, upon exercise of warrants or pursuant to any anti-dilution adjustments with respect to any such securities. In addition, pursuant to Rule 416 under the Securities Act of 1933, as amended, this registration statement also covers any additional securities issuable as a result of stock splits, stock dividends or similar transactions. Note 1(c). Maximum Aggregate Offering Price is estimated solely for the purpose of calculating the registration fee. No separate consideration will be received for securities that are issued upon conversion of, or exchange for, preferred stock or debt securities, or upon exercise of warrants registered hereunder. The aggregate maximum offering price of all securities issued pursuant to this registration statement will not exceed $250,000,000.

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