X0508 4 2025-12-11 0 0001736730 Camp4 Therapeutics Corp CAMP 0001881045 Maricich Yuri C/O CAMP4 THERAPEUTICS CORPORATION ONE KENDALL SQ., BLDG 1400 WEST, 3RD FL. CAMBRIDGE MA 02139 0 1 0 0 Chief Medical Officer 0 Stock Option (Right to Buy) 6.01 2025-12-11 4 A 0 190000 0 A 2035-12-10 Common Stock 190000 190000 D This option has a vesting start date of December 1, 2025 and vests as to one third (33.33%) of the shares subject to the option on the first anniversary of the vesting start date and as to the remaining shares in equal monthly installments over 24 months thereafter, subject to continued service. /s/ Kelly Gold, as Attorney-in-Fact 2025-12-22