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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1501989	Cytomx Therapeutics Inc.	CTMX	Pharmaceutical Preparations (2834)	273521219

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1914523	Christopher Ogden	C/O Cytomx Therapeutics, Inc. 151 Oyster Point Blvd., Suite 400 South San Francisco CA 94080	Chief Financial Officer	No	No	No	No

Transaction Summary

Sold:	12,255 shares	Avg. Price: $2.72	Total Value: $33,381.43
Number of Shares After Transactions:	226,271 shares

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2025-06-13	1,641	$2.95	199,385	No	4	S	Direct
Common Stock	Acquisiton	2025-06-13	37,500	$0.00	236,885	No	4	M	Direct
Common Stock	Disposition	2025-06-16	10,614	$2.69	226,271	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Performance Stock Units	Disposition	2025-06-13	37,500	$0.00	37,500	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0			No	4	M	Direct

Footnotes

The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of restricted stock units ("RSUs").
Includes 149,987 RSUs.
This transaction represents the vesting of performance stock units ("PSUs") initially granted on February 2, 2023.
The shares were sold solely to satisfy tax or other government withholding obligations in connection with the vesting of PSUs.
Each PSU represented a contingent right to receive one (1) share of common stock upon vesting.