Palomar (PLMR) CEO’s family trust sells 3,500 shares in open market

Rhea-AI Filing Summary

Palomar Holdings, Inc. CEO and Chairman Mac Armstrong, through the Armstrong Family Trust, reported open-market sales of a total of 3,500 shares of common stock on March 23, 2026.

The shares were sold in multiple transactions at weighted average prices of $118.3340, $119.4680, $120.7757, and $121.7400, within intraday ranges from $117.84 to $122.11. Following these sales, the trust held 339,888 shares indirectly, and Armstrong also reported 99,006 shares held directly, which includes 2,754 shares purchased through the company’s 2019 Employee Stock Purchase Plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Armstrong Mac

(Last) (First) (Middle)

7979 IVANHOE AVENUE, SUITE 500

(Street)

LA JOLLA CALIFORNIA 92037

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Palomar Holdings, Inc. [ PLMR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO and Chairman

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock								99,006(1)	D
Common Stock	03/23/2026		S		400	D	$118.334(2)	342,988	I	By Armstrong Family Trust
Common Stock	03/23/2026		S		500	D	$119.468(2)	342,488	I	By Armstrong Family Trust
Common Stock	03/23/2026		S		1,622	D	$120.7757(2)	340,866	I	By Armstrong Family Trust
Common Stock	03/23/2026		S		978	D	$121.74(2)	339,888	I	By Armstrong Family Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 2,754 shares purchased pursuant to the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan (ESPP).

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.84 to $118.71 (weighted average of $118.3340), inclusive; $119.26 to $119.54 (weighted average of $119.4680), inclusive; $120.41 to $121.39 (weighted average of $120.7757), inclusive; $121.41 to $122.11 (weighted average of $121.7400), inclusive. 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.

Remarks:

	/s/ Angela Grant, Attorney-in-Fact	03/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Palomar Holdings (PLMR) report for Mac Armstrong?

Palomar’s CEO and Chairman Mac Armstrong reported selling 3,500 shares of common stock on March 23, 2026, through the Armstrong Family Trust. These were open-market sales at weighted average prices between $118.3340 and $121.7400 across several trade price ranges.

At what prices did the Armstrong Family Trust sell Palomar (PLMR) shares?

The Armstrong Family Trust sold Palomar shares at weighted average prices of $118.3340, $119.4680, $120.7757, and $121.7400. Individual trades occurred within ranges from $117.84 to $122.11, as disclosed in the transaction footnote detailing the price bands for each sale group.

How many Palomar (PLMR) shares does Mac Armstrong hold after the reported sales?

After the reported transactions, the Armstrong Family Trust held 339,888 Palomar common shares indirectly, while Mac Armstrong also reported 99,006 shares held directly. The direct holdings include 2,754 shares acquired under Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan.

Were the recent Palomar (PLMR) insider transactions open-market sales?

Yes, the filing describes the four transactions as open-market sales of Palomar common stock, coded as “S” with the action labeled “open-market sale.” All involved non-derivative common shares sold on March 23, 2026, by the Armstrong Family Trust as indirect holdings.

What does the Palomar (PLMR) Form 4 say about ESPP share purchases?

The Form 4 notes that Mac Armstrong’s direct holdings include 2,754 shares bought through the Palomar Holdings, Inc. 2019 Employee Stock Purchase Plan. This detail appears in a footnote clarifying that these ESPP shares are part of the total directly owned position.

How many Palomar (PLMR) shares were sold in total in this Form 4?

The transaction summary shows total sales of 3,500 Palomar common shares across four open-market transactions. Each sale involved indirect holdings by the Armstrong Family Trust, with no derivative exercises or gifts reported in conjunction with these particular trades.