INSP (NYSE) Form 144: Director/Holder Notices Sale of 700 Shares via Morgan Stanley

Rhea-AI Filing Summary

INSP: A Form 144 notice reports a proposed sale of 700 shares of Common Stock tied to restricted stock vesting under a registered plan on 02/20/2026. The filing lists Morgan Stanley Smith Barney LLC in the broker/agent details and indicates the securities trade on the NYSE.

Insights

Securities Compliance Attorney

Routine Form 144 filing for an employee/beneficiary sale of vested restricted stock.

This notice documents a proposed sale of 700 shares arising from restricted stock vesting on 02/20/2026. The record shows the transaction is facilitated through Morgan Stanley Smith Barney LLC and is a typical brokered resale under SEC resale notice procedures.

The filing itself does not state proceeds, price, or whether sales occurred; subsequent transaction details will appear in transactional reports or later filings. Future SEC reports may show actual dispositions and proceeds.

Key Figures

Shares proposed for resale: 700 shares Vesting date: 02/20/2026 Filing/receipt date: 05/14/2026 +1 more

4 metrics

Shares proposed for resale 700 shares restricted stock vesting under a registered plan on 02/20/2026

Vesting date 02/20/2026 date tied to restricted stock vesting that generated the resale notice

Filing/receipt date 05/14/2026 date appearing in filer/issuer information section

Exchange listed NYSE market listed for the Common Stock in the filing

Key Terms

Form 144, restricted stock vesting, registered plan

3 terms

Form 144 regulatory

"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 vesting financial

"Restricted stock vesting under a registered plan"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

registered plan regulatory

"Restricted stock vesting under a registered plan"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

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

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Accepted by SEC EDGAR 05/14/2026 - 04:34 PM Learn about SEC filing dates

FAQ

What does INSP's Form 144 report?

It reports a proposed resale of 700 shares of Common Stock linked to vested restricted stock. The filing ties the shares to a registered plan with a vesting date of 02/20/2026, and lists Morgan Stanley Smith Barney LLC as the broker/agent.

Does this Form 144 mean the shares were sold?

No; Form 144 is a notice of intent to sell, not evidence of a completed sale. Actual sale execution, price, and proceeds would be reported later in transactional filings if and when the sale occurs.

Who is the broker handling the proposed sale in the filing?

The filing lists Morgan Stanley Smith Barney LLC at 1 New York Plaza as the broker/agent for the proposed transaction. The document identifies the broker but does not disclose execution details or sale price.

What triggered the Form 144 filing for these shares?

The filing ties the 700-share notice to restricted stock vesting under a registered plan on 02/20/2026. The vesting event created securities eligible for resale, prompting the Form 144 notice.

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	700	30106.02	28813153	05/14/2026	NYSE

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	02/20/2026	Restricted stock vesting under a registered plan	Issuer			700	02/20/2026	Services Rendered

* 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

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)