X0508 4 2026-02-26 0 0001669162 Kinsale Capital Group, Inc. KNSL 0001534451 Russell Frederick L. Jr. C/O KINSALE CAPITAL GROUP, INC. 2025 STAPLES MILL ROAD RICHMOND VA 23230 1 0 0 0 0 Common Stock, par value $0.01 per share 2026-02-26 4 M 0 4000 16 A 4460 D Common Stock, par value $0.01 per share 2026-02-26 4 S 0 4000 379.50 D 460 D Common Stock, par value $0.01 per share 23566 I As trustee of The Frederick L. Russell, Jr Revocable Trust Options (right to buy) 16 2026-02-26 4 M 0 4000 0 D 2026-07-27 Common Stock, par value $0.01 per share 4000 0 D The shares were purchased in multiple transactions at actual purchase prices ranging from $379.40 to $380.17 per share. The price reported reflects the weighted average purchase price for the transactions. The reporting person undertakes to provide upon request by the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased at each separate price. Mr. Russell is a trustee of The Frederick L. Russell, Jr Revocable Trust. Mr. Russell disclaims beneficial ownership of any shares of common stock held by The Frederick L. Russell, Jr Revocable Trust with respect to which Mr. Russell does not have a pecuniary interest therein. Granted on July 27, 2016 under the Kinsale Capital Group, Inc. 2016 Omnibus Incentive Plan. The options are fully vested. Amanda E. Viol, as attorney-in-fact 2026-03-02