X0508 4 2026-03-04 0 0001620459 James River Group Holdings, Inc. JRVR 0001368251 Gould Kirstin C/O JAMES RIVER GROUP HOLDINGS, INC. 1414 RALEIGH ROAD, SUITE 405 CHAPEL HILL NC 27517 1 0 0 0 0 Common Stock 2026-03-04 4 A 0 14409 0 A 44699 D Represents the annual grant of restricted share units (payable solely in shares of common stock of the Issuer on the vesting date) under the James River Group Holdings, Inc. 2014 Non-Employee Director Incentive Plan, as amended, which vest on March 4, 2027. /s/ Jeanette L. Miller, Attorney-in-fact for Kirstin Gould 2026-03-06