SEC Insider Transactions from Ogden Christopher.

Last updated: 2026-03-19 23:02 UTC | Total transactions: 23

Ogden Christopher, CFO of CytomX Therapeutics ($CTMX), made three open market sales of company shares over the last year, totaling roughly $38,500. His most recent sale occurred on June 16, 2025. These transactions rank 10,638th among 11,678 insiders by sale value, well below the average of 8.6 million per insider across 6.4 transactions. He recorded no open market purchases.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 17, 2026 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer S Common Stock 19323 $6.42 296,948.0000 169,435,395 6.11% 0.01%
Feb. 2, 2026 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Common Stock 90000 $0.00 316,271.0000 169,435,395 39.78% 0.05%
Feb. 2, 2026 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Stock Option (Right to Buy) 325000 $0.00 325,000.0000 169,435,395 9999.99% 0.19%
Sept. 26, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Performance Stock Units (PSUs) 39150 $0.00 39,150.0000 80,099,889 9999.99% 0.05%
Sept. 26, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Stock Option (Right to Buy) 78250 $0.00 78,250.0000 80,099,889 9999.99% 0.10%
June 13, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer S Common Stock 1641 $2.95 199,385.0000 80,099,889 0.82% 0.00%
June 13, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer M Common Stock 37500 $0.00 236,885.0000 80,099,889 18.81% 0.05%
June 16, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer S Common Stock 10614 $2.69 226,271.0000 80,099,889 4.48% 0.01%
June 13, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer M Performance Stock Units 37500 $0.00 0.0000 80,099,889 100.00% 0.05%
March 18, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer S Common Stock 8551 $0.60 201,026.0000 80,099,889 4.08% 0.01%
Feb. 4, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Common Stock 57500 $0.00 209,577.0000 0 37.81% 0.00%
Feb. 4, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Stock Option (Right to Buy) 225000 $0.00 225,000.0000 0 9999.99% 0.00%
Feb. 4, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Stock Option (Right to Buy) 115000 $0.00 115,000.0000 0 9999.99% 0.00%
Feb. 4, 2025 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Common Stock 44000 $0.00 152,077.0000 0 40.71% 0.00%
Aug. 20, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer M Common Stock 6875 $0.00 110,061.0000 0 6.66% 0.00%
Aug. 20, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer S Common Stock 1984 $1.23 108,077.0000 0 1.80% 0.00%
Aug. 20, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer M Performance Stock Units (PSUs) 6875 $0.00 0.0000 0 100.00% 0.00%
June 12, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Stock Option (Right to Buy) 75000 $0.00 75,000.0000 0 9999.99% 0.00%
June 12, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher Chief Financial Officer A Common Stock 17500 $0.00 103,186.0000 0 20.42% 0.00%
March 19, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher SVP, Finance and Accounting S Common Stock 2971 $2.09 85,686.0000 0 3.35% 0.00%
Jan. 18, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher SVP, Finance and Accounting A Performance Stock Units (PSUs) 75000 $0.00 75,000.0000 0 9999.99% 0.00%
Jan. 18, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher SVP, Finance and Accounting A Stock Option (Right to Buy) 154000 $0.00 154,000.0000 0 9999.99% 0.00%
Jan. 18, 2024 CytomX Therapeutics, Inc. $CTMX Ogden Christopher SVP, Finance and Accounting A Common Stock 40000 $0.00 88,657.0000 0 82.21% 0.00%