Issuer OPEN (Nasdaq: OPEN) insider plans July 2026 sale of 3,591 shares

Rhea-AI Filing Summary

Issuer OPEN filed a notice of proposed sale of common stock. Giang Nguyen plans to sell 3,591 shares of common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on or after July 15, 2026 on Nasdaq, with an indicated value of $163,339.05. The filing also lists a prior sale of 10,866 shares of common stock on April 15, 2026 for $50,487.79, and notes that the shares to be sold relate to Restricted Stock Units issued by the company.

Key Figures

Planned shares to be sold: 3,591 shares Planned sale value: $163,339.05 Planned sale date: 07/15/2026 +2 more

5 metrics

Planned shares to be sold 3,591 shares Common stock sale planned on or after July 15, 2026

Planned sale value $163,339.05 Aggregate market value associated with 3,591 shares

Planned sale date 07/15/2026 Proposed sale date for common stock on Nasdaq

Shares sold in prior transaction 10,866 shares Common stock sold on April 15, 2026

Value of prior sale $50,487.79 Proceeds from 10,866 shares sold on April 15, 2026

Key Terms

Form 144, Restricted Stock Units, aggregate market value, Nasdaq

4 terms

Form 144 regulatory

"144: Filer Information | | | 144: Filer Information"

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.

Restricted Stock Units financial

"Common | 07/15/2026 | Restricted Stock Units | Issuer"

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.

aggregate market value financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 | 3591 | 163339.05"

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

"07/15/2026 | Nasdaq 144: Securities To Be Sold"

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.

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

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Available on EDGAR 07/17/2026 - 04:15 PM Accepted by SEC EDGAR 07/17/2026 - 04:15 PM Learn about SEC filing dates

FAQ

What stock sale is Giang Nguyen planning for issuer OPEN?

Giang Nguyen plans to sell 3,591 shares of OPEN common stock on or after July 15, 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services on Nasdaq, as indicated in the Form 144 notice.

What is the approximate value of the planned OPEN share sale?

The planned sale of 3,591 shares of OPEN common stock is valued at about $163,339.05 in the filing. This amount reflects the aggregate market value associated with the proposed transaction.

Which broker is handling Giang Nguyen’s planned OPEN stock sale?

The planned OPEN stock sale will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services. The broker is listed as the firm through which the 3,591 common shares are expected to be sold on Nasdaq.

What prior OPEN stock sale does Giang Nguyen report in this filing?

Giang Nguyen reports a prior sale of 10,866 shares of OPEN common stock on April 15, 2026 for total proceeds of $50,487.79. This transaction is disclosed as securities sold during the past three months.

How are Restricted Stock Units related to Giang Nguyen’s OPEN share sale?

The common shares to be sold on or after July 15, 2026 are tied to Restricted Stock Units issued by the company. The filing identifies the security as common stock related to Restricted Stock Units from the issuer.

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

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	3591	163339.05	964736632	07/15/2026	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	07/15/2026	Restricted Stock Units	Issuer			3591	07/15/2026	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
Giang Nguyen 1295 West Washington Street, Suite 115 Tempe AZ 85288	Common	04/15/2026	10866	50487.79

144: Remarks and Signature

Remarks

Date of Notice

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)