X0508 4 2025-12-22 0001761312 Palomar Holdings, Inc. PLMR 0001772383 Armstrong Mac 7979 IVANHOE AVENUE, SUITE 500 LA JOLLA CA 92037 true true false false CEO and Chairman 1 Common Stock 76374 D Common Stock 2025-12-22 4 S false 800 135.0375 D 357588 I By Armstrong Family Trust Common Stock 2025-12-22 4 S false 2432 135.9491 D 355156 I By Armstrong Family Trust Common Stock 2025-12-22 4 S false 1757 137.1467 D 353399 I By Armstrong Family Trust Common Stock 2025-12-22 4 S false 11 137.6400 D 353388 I By Armstrong Family Trust Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP). The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.455 to $135.41 (weighted average of $135.0375), inclusive, $135.50 to $136.48 (weighted average of $135.9491), $136.63 to $137.62 (weighted average of $137.1467), and $137.64 to $137.64 (weighted average of $137.6400). The Reporting Person undertakes to provide to Palomar Holdings, Inc., any security holder of Palomar Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4. /s/ Angela Grant, Attorney-in-Fact 2025-12-23