Morgan Stanley files DBX Form 144; repeated 10b5-1 sales by Sarah Schubach (DBX)

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC submitted a Form 144 notice concerning proposed sales of Common stock listed on NASDAQ. The filing lists Restricted Stock Units dated 02/15/2026 and multiple recent 10b5-1 sales attributed to Sarah Schubach.

The excerpt lists recent 10b5-1 sale entries including 03/02/2026 (35035.40), 02/18/2026 (34677.84), and 01/30/2026 (37704.98) as well as sales on 01/15/2026 (31349.12) and 12/29/2025 (32563.84).

Insights

Equity Markets Specialist

Form 144 records proposed affiliate sales and shows repeated 10b5-1 activity by a named holder.

The filing names Morgan Stanley Smith Barney LLC as filer and records Restricted Stock Units dated 02/15/2026 alongside multiple 10b5-1 sale entries for Sarah Schubach on specific dates. The listed figures follow each sale date in the excerpt.

Repeated 10b5-1 entries (for example, 03/02/2026, 02/18/2026, 01/30/2026) reflect documented dispositions; timing and dollar/share labeling are as shown in the excerpt and not expanded further here.

FAQ

What does the Form 144 for DBX show?

The Form 144 shows a proposed resale notice filed by Morgan Stanley Smith Barney LLC for Common stock on NASDAQ. It lists Restricted Stock Units dated 02/15/2026 and several 10b5-1 sale entries attributed to Sarah Schubach.

Who is the filer on the DBX Form 144?

The filer is identified as Morgan Stanley Smith Barney LLC, Executive Financial Services. The filing lists the firm's address and indicates the securities class as Common stock traded on NASDAQ.

Which transactions are listed in the Form 144 excerpt?

The excerpt lists multiple 10b5-1 sales for Sarah Schubach dated 03/02/2026, 02/18/2026, 01/30/2026, 01/15/2026, and 12/29/2025 with the numeric figures shown alongside each date.

Do the entries show Restricted Stock Units on DBX's filing?

Yes; the filing includes a line for Restricted Stock Units with an associated date of 02/15/2026. The entry appears under the securities-to-be-sold section in the provided excerpt.

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

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Accepted by SEC EDGAR 03/16/2026 - 04:34 PM Learn about SEC filing dates

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	0002075704
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	DROPBOX INC
SEC File Number	001-38434
Address of Issuer	1800 Owens Street San Francisco CALIFORNIA 94158
Phone	4159307766
Name of Person for Whose Account the Securities are To Be Sold	SARAH SCHUBACH
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	Officer

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	1415	36436.25	165704072	03/16/2026	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 *
Common	02/15/2026	Restricted Stock Units	Issuer			1415	02/15/2026	N/A

* 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
10b5-1 Sales for SARAH SCHUBACH 1800 Owens Street San Francisco CA 94158	Common	03/02/2026	1415	35035.40
10b5-1 Sales for SARAH SCHUBACH 1800 Owens Street San Francisco CA 94158	Common	02/18/2026	1416	34677.84
10b5-1 Sales for SARAH SCHUBACH 1800 Owens Street San Francisco CA 94158	Common	01/30/2026	1462	37704.98
10b5-1 Sales for SARAH SCHUBACH 1800 Owens Street San Francisco CA 94158	Common	01/15/2026	1168	31349.12
10b5-1 Sales for SARAH SCHUBACH 1800 Owens Street San Francisco CA 94158	Common	12/29/2025	1168	32563.84

144: Remarks and Signature

Remarks
Date of Notice	03/16/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/16/2025
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	/s/ Sarah Schubach
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)