Napco shareholder plans $1.0M stock sale

NAPCO SECURITY TECHNOLOGIES, INC.

Rhea-AI Filing Summary

NAPCO SECURITY TECHNOLOGIES, INC. (NSSC) has a shareholder, Donna Soloway, who filed a notice under Rule 144 to sell up to 28,000 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services. The shares have an aggregate market value of $1,007,400. Company common shares outstanding were 35,768,437 as of August 26, 2026; this is a baseline figure, not the amount being sold. The shares to be sold were acquired from the issuer on May 18, 2026 through previously exercised options paid in cash, with the proposed sale date listed as May 19, 2026 on NASDAQ.

Key Figures

Shares to be sold: 28,000 shares of common stock Aggregate market value: $1,007,400.00 Shares outstanding: 35,768,437 shares +2 more

5 metrics

Shares to be sold 28,000 shares of common stock Maximum amount covered by Rule 144 notice for Donna Soloway

Aggregate market value $1,007,400.00 Value of 28,000 shares listed in Rule 144 securities information

Shares outstanding 35,768,437 shares NSSC common shares outstanding as of August 26, 2026

Acquisition date of shares 05/18/2026 Date shares were acquired through previously exercised options

Proposed sale date 05/19/2026 Date listed for proposed sale of 28,000 NSSC shares

Key Terms

Rule 144, Previously Exercised Options, aggregate market value, NASDAQ, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Previously Exercised Options financial

"Common | 05/18/2026 | Previously Exercised Options | Issuer"

aggregate market value financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services ... | 28000 | 1007400.00"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

NASDAQ market

"35768437 | 08/26/2026 | NASDAQ"

The Nasdaq is a stock exchange where many companies' shares are bought and sold, functioning much like a marketplace for investments. It matters to investors because it provides a platform to buy and sell ownership stakes in companies, helping them track the value of those companies and make informed decisions. As one of the largest and most technology-focused markets, it also reflects trends and developments in the business world.

Morgan Stanley Smith Barney LLC Executive Financial Services financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filing disclose for NSSC?

It discloses that Donna Soloway plans to sell up to 28,000 shares of NSSC common stock under Rule 144 through Morgan Stanley Smith Barney LLC Executive Financial Services, with an aggregate market value of $1,007,400 and a proposed sale date of May 19, 2026.

How many NSSC shares are proposed to be sold and at what value?

The notice covers up to 28,000 common shares of NSSC with an aggregate market value of $1,007,400 as reported in the Rule 144 information table.

Who is selling NSSC shares under this Rule 144 notice?

The person for whose account the securities are to be sold is Donna Soloway, who filed the Rule 144 notice covering 28,000 shares of NSSC common stock.

How were the NSSC shares to be sold under Rule 144 acquired?

The 28,000 NSSC shares were acquired on May 18, 2026 from the issuer through previously exercised options, with cash listed as the form of payment.

What is the reported number of NSSC shares outstanding?

The Rule 144 information table reports 35,768,437 NSSC common shares outstanding as of August 26, 2026.

Which broker is listed for the planned NSSC share sale?

The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/26/2026 - 04:26 PM EDT Accepted by SEC EDGAR 08/26/2026 - 04:25 PM EDT Learn about SEC filing dates

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	0001416646
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NAPCO SECURITY TECHNOLOGIES, INC.
SEC File Number	000-10004
Address of Issuer	333 Bayview Avenue Amityville NEW YORK 11701
Phone	631-842-9400
Name of Person for Whose Account the Securities are To Be Sold	DONNA SOLOWAY
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	Officer
Relationship to Issuer	Director

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	28000	1007400.00	35768437	08/26/2026	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	05/18/2026	Previously Exercised Options	Issuer			28000	05/19/2026	Cash

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/26/2026
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	/s/ Donna Anne Soloway
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)