Mac Armstrong - 15 Oct 2025 Form 4 Insider Report for Palomar Holdings, Inc. (PLMR)

Role: CEO and Chairman, Director
Signature: /s/ Angela Grant, Attorney-in-Fact
Issuer symbol: PLMR
Transactions as of: 15 Oct 2025
Net transactions value: -$373,623
Form type: 4
Filing time: 17 Oct 2025, 17:25:44 UTC
Previous filing: 24 Sep 2025
Next filing: 22 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Armstrong Mac	CEO and Chairman, Director	7979 IVANHOE AVENUE, SUITE 500, LA JOLLA	/s/ Angela Grant, Attorney-in-Fact	17 Oct 2025	0001772383

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PLMR	Common Stock (RSUs)	Options Exercise	$0	+6,250	+8.5%	$0.000000	79,592	15 Oct 2025	Direct	F2
transaction	PLMR	Common Stock (RSUs)	Sale	$373,623	-3,218	-4%	$116.10	76,374	15 Oct 2025	Direct	F1, F2
holding	PLMR	Common Stock						73,342	15 Oct 2025	Direct	F2
holding	PLMR	Common Stock						372,388	15 Oct 2025	By Armstrong Family Trust

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PLMR	Restricted Stock Units (RSUs)	Options Exercise	$0	-6,250	-25%	$0.000000	18,750	15 Oct 2025	Common Stock	6,250	$0.000000	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the RSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the RSU vesting event.
F2	Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).
F3	The original RSU grant was for 125,000 shares on 7/15/2021. Subject to the Reporting Person's continuing service with the Company, the RSUs shall vest as follows: 25,000 shares shall vest on the first year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the second year anniversary of the Grant Date/Vesting Base Date; 25,000 shares shall vest on the third year anniversary of the Grant Date/Vesting Base Date; after the third anniversary of the Grant Date/Vesting Base Date, 6,250 shares shall vest on a quarterly basis thereafter, until fully vested.