Mac Armstrong - 15 Jan 2026 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 Jan 2026
Net transactions value: -$300,300
Form type: 4
Filing time: 20 Jan 2026, 16:15:28 UTC
Previous filing: 23 Dec 2025
Next filing: 22 Jan 2026
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	20 Jan 2026	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	+8.2%	$0.000000	82,624	15 Jan 2026	Direct	F2
transaction	PLMR	Common Stock (RSUs)	Sale	$300,300	-2,310	-2.8%	$130.00	80,314	15 Jan 2026	Direct	F1, F2
holding	PLMR	Common Stock						76,374	15 Jan 2026	Direct	F2
holding	PLMR	Common Stock						353,388	15 Jan 2026	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	-33%	$0.000000	12,500	15 Jan 2026	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.