MSTR (NASDAQ) insider resale: 5,597 Class A shares tied to vesting

Rhea-AI Filing Summary

Issuer filed a Form 144 indicating 5,597 Class A shares are planned for sale on 05/18/2026 in connection with restricted stock vesting. The filing also reports prior dispositions by Andrew Kang: 03/12/2026 sale of 916 shares ($125,724.57) and 03/24/2026 sale of 2,373 shares ($328,266.34).

The listed broker is Fidelity Brokerage Services LLC. The filing characterizes the 5,597 shares as resulting from compensation (restricted stock vesting).

Insights

Securities Compliance Counsel

Form 144 lists an intended resale of restricted shares and prior insider dispositions.

The filing states 5,597 Class A shares are to be sold on 05/18/2026 following restricted stock vesting; the broker named is Fidelity Brokerage Services LLC. The filing ties the shares to compensation-related vesting, which is a typical administrative disclosure for resale eligibility.

Cash-flow treatment and any sale timing beyond the date shown are not detailed in the excerpt; subsequent Form 4 or broker reports would show executed sales and proceeds.

Insider Transactions Analyst

Recent insider activity shows routine dispositions tied to compensation vesting.

The excerpt records two executed dispositions by Andrew Kang: 916 shares on 03/12/2026 for $125,724.57 and 2,373 shares on 03/24/2026 for $328,266.34. These are presented as past transactions in the selling history section.

Investor impact depends on actual execution versus intended sale; the excerpt documents planned resale quantity and recent sales but does not show remaining post-transaction holdings.

Key Figures

Planned resale: 5,597 shares Prior sale 1: 916 shares Prior sale 2: 2,373 shares +1 more

4 metrics

Planned resale 5,597 shares to be sold on 05/18/2026 (restricted stock vesting)

Prior sale 1 916 shares sold on 03/12/2026 for $125,724.57

Prior sale 2 2,373 shares sold on 03/24/2026 for $328,266.34

Broker Fidelity Brokerage Services LLC listed intermediary for the resale

Key Terms

Form 144, Restricted Stock Vesting, Compensation

3 terms

Form 144 regulatory

"Securities To Be Sold section lists planned resale and dates"

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

"Securities To Be Sold | Restricted Stock Vesting | Issuer"

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.

Compensation financial

"Securities To Be Sold entry labels purpose as Compensation"

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
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	5597	927866.18	330807622	05/19/2026	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 *
Class A	05/18/2026	Restricted Stock Vesting	Issuer			5597	05/18/2026	Compensation

* 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
Andrew Kang 1850 Towers Crescent Plaza Tysons Corner VA 22182	Class A	03/12/2026	916	125724.57
Andrew Kang 1850 Towers Crescent Plaza Tysons Corner VA 22182	Class A	03/24/2026	2373	328266.34

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 the Form 144 for MSTR report?

The Form 144 reports an intended resale of 5,597 Class A shares on 05/18/2026 associated with restricted stock vesting. It also lists prior insider dispositions by Andrew Kang on 03/12/2026 and 03/24/2026.

Who is the reporting insider on the MSTR Form 144?

The filing lists Andrew Kang as the reporting person with prior sales recorded on 03/12/2026 (916 shares) and 03/24/2026 (2,373 shares). The planned 5,597-share resale is tied to compensation vesting.

What were the sizes and proceeds of the recent insider sales?

The excerpt shows two past dispositions: 916 shares on 03/12/2026 for $125,724.57 and 2,373 shares on 03/24/2026 for $328,266.34. These figures are reported in the filing's sales history.

Are the 5,597 shares in the Form 144 from compensation or open market purchases?

The filing characterizes the 5,597 Class A shares as arising from restricted stock vesting and labels the transaction purpose as compensation. The excerpt ties the intended sale to vesting, not an open-market acquisition.