Armstrong holders report multiple PLMR stock sales (PLMR) including 11,484-share trade

Rhea-AI Filing Summary

Armstrong Family Trust and MAC Armstrong reported Form 144 sales of Common Stock. The filing lists Restricted Stock Units of 3,500 shares dated 01/29/2026 and multiple reported sales between 01/28/2026 and 04/16/2026, including a sale of 11,484 shares for $1,376,701.92 on 01/28/2026.

Key Figures

Restricted Stock Units: 3,500 shares Sale on 01/28/2026: 11,484 shares Sale on 01/29/2026: 5,399 shares +3 more

6 metrics

Restricted Stock Units 3,500 shares dated 01/29/2026

Sale on 01/28/2026 11,484 shares proceeds $1,376,701.92

Sale on 01/29/2026 5,399 shares proceeds $658,909.77

Sale on 02/12/2026 5,000 shares proceeds $612,997.50

Sale on 03/23/2026 3,500 shares proceeds $422,027.55

Sale on 04/16/2026 3,197 shares proceeds $413,883.62

Key Terms

Restricted Stock Units, 10b5-1 Sales, Form 144

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 3500 | 01/29/2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

10b5-1 Sales regulatory

"10b5-1 Sales for ARMSTRONG FAMILY TRUST U/A DTD 04/07/2011"

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	3500	463435.00	26689745	04/21/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/29/2026	Restricted Stock Units	Issuer			3500	01/29/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ARMSTRONG FAMILY TRUST U/ADTD 04/07/2011 7979 Ivanhoe Avenue, Suite 500 La Jolla CA 92037	Common	04/16/2026	3197	413883.62
10b5-1 Sales for ARMSTRONG FAMILY TRUST U/A DTD 04/07/2011 7979 Ivanhoe Avenue, Suite 500 La Jolla CA 92037	Common	03/23/2026	3500	422027.55
10b5-1 Sales for ARMSTRONG FAMILY TRUST U/A DTD 04/07/2011 7979 Ivanhoe Avenue, Suite 500 La Jolla CA 92037	Common	02/12/2026	5000	612997.50
MAC ARMSTRONG 7979 Ivanhoe Avenue, Suite 500 La Jolla CA 92037	Common	01/31/2026	2205	268444.86
MAC ARMSTRONG 7979 Ivanhoe Avenue, Suite 500 La Jolla CA 92037	Common	01/29/2026	5399	658909.77
MAC ARMSTRONG 7979 Ivanhoe Avenue, Suite 500 La Jolla CA 92037	Common	01/28/2026	11484	1376701.92

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does PLMR's Form 144 disclose about recent insider sales?

The filing reports multiple dispositions by Armstrong-related holders between 01/28/2026 and 04/16/2026. It lists specific trades including 11,484 shares for $1,376,701.92 on 01/28/2026 and other sales with proceeds shown for each date.

How many Restricted Stock Units are listed in the PLMR excerpt?

The excerpt lists 3,500 Restricted Stock Units dated 01/29/2026. These RSUs are shown under Securities To Be Sold with the issuer indicated as the source.

Who executed the sales shown in the Form 144 excerpt for PLMR?

The sales are attributed to ARMSTRONG FAMILY TRUST U/A DTD 04/07/2011 and MAC ARMSTRONG. Multiple line items name those holders and list sale dates, share counts, and proceeds.

Were any sales noted as being conducted under a 10b5-1 plan?

Yes. Several entries are labeled "10b5-1 Sales" for ARMSTRONG FAMILY TRUST U/A DTD 04/07/2011. The lines show dates, share counts, and dollar proceeds for those transactions.

What are the largest sale amounts shown in the PLMR excerpt?

The largest proceeds shown are $1,376,701.92 for 11,484 shares on 01/28/2026 and $658,909.77 for 5,399 shares on 01/29/2026. Each line pairs share counts with proceeds.