Mac Armstrong - 28 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: 28 Jan 2026
Net transactions value: -$1,376,702
Form type: 4
Filing time: 30 Jan 2026, 18:14:26 UTC
Previous filing: 22 Jan 2026
Next filing: 02 Feb 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	30 Jan 2026	0001772383

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PLMR	Common Stock (PSUs)	Options Exercise	$0	+22,907	+29%	$0.000000	103,221	28 Jan 2026	Direct	F1, F2, F3
transaction	PLMR	Common Stock (PSUs)	Sale	$1,376,702	-11,484	-11%	$119.88	91,737	28 Jan 2026	Direct	F1, F4
holding	PLMR	Common Stock						348,388	28 Jan 2026	By Armstrong Family Trust
holding	PLMR	Common Stock						80,314	28 Jan 2026	Direct	F1

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)	Award	$0	+21,539		$0.000000	21,539	28 Jan 2026	Common Stock	21,539	$0.000000	Direct	F5

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

Explanation of Responses:

Id	Content
F1	Includes 2,652 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).
F2	Represents the date on which the Compensation Committee ratified the achievement of certain company financial performance criteria related to a previously granted performance stock unit ("PSU") award causing the award to become vested.
F3	Represents the number of shares of common stock determined to have been earned and vested from a previously granted PSU award. The PSU award was granted on 1/31/2023 and vested based on i. the grantee completing the required service period through 1/1/2026 and ii. the Compensation Committee ratifying the number of shares earned based on the achievement of certain company financial performance criteria.
F4	Represents shares automatically sold by the Company on behalf of the Reporting Person pursuant to a mandatory sell-to-cover provision in the PSU award agreement required to cover minimum statutory tax withholding obligations that became due upon the PSU vesting event.
F5	The original RSU grant was for 21,539 shares on 1/28/2026. Subject to continuing service with the Company, the restricted stock units shall vest as follows: one-third (1/3) shall vest on the first year anniversary of the date of the grant; an additional one-third (1/3) shall vest on the second year anniversary of the date of the grant; and the final one-third (1/3) shall vest on the third year anniversary of the date of grant.