MicroStrategy (STRK) Form 144 shows 6,250-share insider sale planned

Rhea-AI Filing Summary

MicroStrategy Inc. (STRK) – Form 144 filing: Insider Andrew Kang has filed notice to sell up to 6,250 Class A shares through Fidelity Brokerage Services. The planned sale date is 08-05-2025 on Nasdaq, representing an aggregate market value of $2.41 million. Total Class A shares outstanding are 263.9 million, so the proposed sale equals roughly 0.002% of shares outstanding.

During the preceding three months Kang sold 7,515 shares in two transactions—5,638 shares on 05-20-2025 for $2.31 million and 1,877 shares on 06-06-2025 for $0.70 million—bringing cumulative disclosed proceeds to about $5.42 million once the new sale is executed. The filer attests to possessing no undisclosed material adverse information about the company at the time of filing, as required under Rule 144.

Positive

• None.

Negative

• Continued insider selling: Andrew Kang plans to sell 6,250 additional shares after disposing of 7,515 shares in the prior three months.
• Perception risk: Aggregate proposed and recent sales total ≈$5.4 m, potentially signaling limited insider confidence.

Insights

Financial Analyst

TL;DR: Insider plans additional $2.4 m sale; ongoing divestiture trend may pressure sentiment.

The Form 144 signals continued insider selling by Andrew Kang, adding 6,250 shares to 7,515 shares already sold since May. While the stake is small relative to 264 m shares outstanding, repetitive transactions totaling ≈$5.4 m can be read as a lack-of-buy signal and may weigh on near-term investor confidence. No pricing discount or special terms are indicated, so execution risk is low. Impact: modestly negative for perception, immaterial for float.

Risk Analyst

TL;DR: Filing is routine but flags insider liquidity preference; governance risk minor.

Rule 144 filings are procedural. The seller confirms no undisclosed adverse information, limiting litigation risk. Share-sale volume is trivial (<0.01 days’ Nasdaq volume for STRK), so market risk is negligible. Nonetheless, serial insider disposals can be an early indicator of valuation concerns or personal diversification needs. Overall impact classified as low but slightly negative to sentiment.

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	6250	2414500.63	263912697	08/05/2025	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	08/05/2025	Option Granted - 05/18/2022	Issuer			6250	08/05/2025	Cash

* 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	05/20/2025	5638	2312796.12
Andrew Kang 1850 Towers Crescent Plaza Tysons Corner VA 22182	Class A	06/06/2025	1877	703012.89

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)

FAQ

How many MicroStrategy (STRK) shares are being registered for sale in this Form 144?

The notice covers 6,250 Class A shares.

What is the estimated market value of the shares to be sold?

The aggregate market value is approximately $2,414,500.63.

When is the approximate sale date for the shares?

The filer indicated an 08-05-2025 sale date.

Who is the seller named in the Form 144 filing?

The seller is Andrew Kang.

How many shares has the seller disposed of in the past three months?

Kang sold 7,515 shares between May 20 and June 6 2025 for ≈$3.02 million.

Which broker will execute the proposed transaction?

The broker is Fidelity Brokerage Services LLC.