Palomar Holdings, Inc.

Rule 10b5-1 Trading Plans

On September 4, 2026, Angela Grant, the Company’s Chief Legal Officer, entered a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, providing for the exercise of stock options and sale of up to 1,254 shares of common stock underlying such options and the sale of up to 1,848 shares of the Company’s common stock. Pursuant to this plan, Ms. Grant may sell shares beginning December 4, 2026 and ending May 31, 2027.

On September 11, 2026, T. Christopher Uchida, the Company’s Chief Financial Officer, entered a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, providing for the exercise of stock options and sale of up to 168 shares of common stock underlying such options and the sale of up to 9,827 shares of the Company’s common stock. Pursuant to this plan, Mr. Uchida may sell shares beginning December 11, 2026 and ending May 31, 2027.

On September 13, 2026, Jon Christianson, the Company’s President, entered a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, providing for the exercise of stock options and sale of up to 6,924 shares of common stock underlying such options and the sale of up to 12,000 shares of the Company’s common stock. Pursuant to this plan, Mr. Christianson may sell shares beginning December 13, 2026 and ending May 31, 2027.

None of our other directors or officers (as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934)adopted, terminated ormodified a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K) during the quarter ended September 30, 2026.

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