MicroStrategy (MSTR) insider files Form 144 reporting multiple Class A share sales

Rhea-AI Filing Summary

MicroStrategy (MSTR) insider sale notice (Form 144): The excerpt lists proposed or completed sales of Class A shares tied to restricted stock vesting and compensation. Multiple sales by Andrew Kang are recorded: 916, 2,373, 5,597, and 33,062 Class A shares on various dates in 2026, with reported proceeds attached to each trade.

Key Figures

Sale - 03/12/2026: 916 shares Sale - 03/24/2026: 2,373 shares Sale - 05/19/2026: 5,597 shares +3 more

6 metrics

Sale - 03/12/2026 916 shares sale by Andrew Kang on 03/12/2026

Sale - 03/24/2026 2,373 shares sale by Andrew Kang on 03/24/2026

Sale - 05/19/2026 5,597 shares sale by Andrew Kang on 05/19/2026

Sale - 06/05/2026 33,062 shares sale by Andrew Kang on 06/05/2026

Securities to be sold (vesting) Restricted Stock Vesting listed with date 06/08/2026 and labeled Compensation

Reporting venue NASDAQ exchange listed in the excerpt

Key Terms

Form 144, Restricted Stock Vesting, Class A

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

"Class A | 06/08/2026 | Restricted Stock Vesting"

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.

Class A financial

"Class A | Fidelity Brokerage Services LLC"

Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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	1949	241361.63	330807622	06/09/2026	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	06/08/2026	Restricted Stock Vesting	Issuer			1949	06/08/2026	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
Andrew Kang 1850 Towers Crescent Plaza Tysons Corner VA 22182	Class A	05/19/2026	5597	927866.18
Andrew Kang 1850 Towers Crescent Plaza Tysons Corner VA 22182	Class A	06/05/2026	33062	3925361.99

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 show about insider sales?

The Form 144 lists proposed or completed sales of Class A shares by an insider. It shows sales of 916, 2,373, 5,597, and 33,062 shares on specific 2026 dates, linked to compensation-related vesting and restricted stock.

Who is the insider named on the MSTR Form 144 and what were the transactions?

The filing names Andrew Kang and records multiple Class A share transactions. Reported share quantities are 916, 2,373, 5,597, and 33,062, with corresponding dollar amounts shown next to each row in the excerpt.

Are these sales tied to compensation or other reasons in the MSTR excerpt?

Yes. The excerpt explicitly links at least one listed entry to Restricted Stock Vesting and identifies the transaction type as Compensation, indicating the sales relate to vested awards rather than open-market discretionary trades.

What dates are associated with the reported sales on the MSTR Form 144?

The excerpt includes transaction dates in 2026: sales recorded on 03/12/2026, 03/24/2026, 05/19/2026, and 06/05/2026, and a separate securities-to-be-sold / vesting date of 06/08/2026 for restricted stock.