MicroStrategy (NASDAQ: MSTR) affiliate files to sell 3,299 Class A shares

Rhea-AI Filing Summary

MSTR affiliate files Form 144 to sell 3,299 Class A shares following a restricted stock vesting event. The filing lists 3,299 Class A shares tied to a Restricted Stock Vesting entry dated 03/23/2026. It also discloses prior dispositions of 2,034 Class A shares on 03/12/2026 for $279,174.43.

Insights

Insider Transactions Analyst

Form 144 notifies a proposed sale of vested shares by an affiliate.

The filing lists 3,299 Class A shares associated with a Restricted Stock Vesting entry dated 03/23/2026, indicating the shares becoming eligible for sale.

Prior dispositions include 2,034 Class A shares sold on 03/12/2026 for $279,174.43. Cash‑flow treatment and buyer details are timing and transaction‑specific and are not shown in the excerpt.

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

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	3299	456363.54	314112458	03/24/2026	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	03/23/2026	Restricted Stock Vesting	Issuer			3299	03/23/2026	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
Phong Le 1850 Towers Crescent Plaza Tysons Corner VA 22182	Class A	03/12/2026	2034	279174.43

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 MSTR's Form 144 disclose about the planned sale?

It discloses a proposed sale of 3,299 Class A shares tied to a restricted stock vesting on 03/23/2026. The notice signals an affiliate intends to sell vested shares under the procedures for affiliate dispositions.

Were there recent insider sales by related parties in the filing for MSTR?

Yes. The filing shows a prior disposition of 2,034 Class A shares on 03/12/2026 with an indicated amount of $279,174.43. That sale is listed under securities sold during the past three months.

Who is listed as the broker or intermediary in the MSTR Form 144 excerpt?

The excerpt lists Fidelity Brokerage Services LLC at an address in Smithfield, RI, alongside the Class A security entries. The filing does not specify transaction execution details beyond the broker name.

Does the Form 144 indicate the reason the shares are being sold for MSTR?

The excerpt ties the 3,299 Class A shares to a Restricted Stock Vesting event dated 03/23/2026, indicating the shares became vested and eligible for sale under compensation-related vesting.

What cash amounts are shown in the MSTR Form 144 excerpt?

The excerpt shows $279,174.43 associated with the 2,034 Class A shares sold on 03/12/2026, and a separate figure $456,363.54 appears in the securities information table.