DBX Form 144: Insider 10b5-1 Sale Notices

Dropbox (DBX) filing a Form 144 reports proposed sales of Common stock by an insider under pre-arranged 10b5-1 plans.

Rhea-AI Filing Summary

Dropbox (DBX) filing a Form 144 reports proposed sales of Common stock by an insider under pre-arranged 10b5-1 plans. The notice lists multiple sale entries dated between 01/30/2026 and 03/31/2026 with amounts shown per entry. The filing also references Restricted Stock Units dated 02/15/2026.

Insights

Corporate Governance Analyst

Routine insider resale notices under 10b5-1 are administrative disclosures, not material company events.

The filing lists multiple 10b5-1 sale entries and a Restricted Stock Unit record; this signals planned, rule‑compliant dispositions rather than spontaneous trading. The amounts and dates are procedural disclosures required by securities rules.

There is no explicit company cash flow impact disclosed; subsequent filings would show actual transaction execution details if and when sales settle.

Key Figures

Sale entry 03/31/2026: 32001.60 Sale entry 03/16/2026: 36450.40 Sale entry 03/02/2026: 35035.40 +4 more

7 metrics

Sale entry 03/31/2026 32001.60 listed amount on 03/31/2026 sale entry

Sale entry 03/16/2026 36450.40 listed amount on 03/16/2026 sale entry

Sale entry 03/02/2026 35035.40 listed amount on 03/02/2026 sale entry

Sale entry 02/18/2026 34677.84 listed amount on 02/18/2026 sale entry

Sale entry 01/30/2026 37704.98 listed amount on 01/30/2026 sale entry

RSU record date 02/15/2026 Restricted Stock Units dated by issuer

Form type 144 Section 144 notice for proposed insider sales

Key Terms

10b5-1, Restricted Stock Units, Form 144

3 terms

10b5-1 regulatory

"10b5-1 Sales for SARAH SCHUBACH 1800 Owens Street San Francisco"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 1415 | 02/15/2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the DBX Form 144 filing mean?

It notifies the SEC of proposed insider sales under Rule 144 and 10b5-1 plans. The filing lists dates and amounts for planned dispositions between 01/30/2026 and 03/31/2026, showing the insider followed a pre-arranged selling mechanism rather than discretionary trades.

Were the sales in the DBX Form 144 executed or just proposed?

Form 144 reports proposed or imminent sales by an affiliate; it does not confirm settlement. The document lists scheduled 10b5-1 sale entries with dates and amounts; actual execution and settlement would appear in subsequent trade reports if completed.

What role do 10b5-1 plans play in DBX insider sales?

10b5-1 plans permit pre-arranged trading at specified times or conditions, providing affirmative defense under Rule 10b5-1. The filing shows multiple 10b5-1 sale entries, indicating sales were scheduled under such a plan rather than opportunistic market timing.

Does the Form 144 disclose how many RSUs were involved for DBX?

The filing references Restricted Stock Units dated 02/15/2026 tied to the issuer. It lists the RSU line item but does not state a consolidated total of RSUs convertible into shares in this excerpt.

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

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Accepted by SEC EDGAR 04/15/2026 - 04:51 PM EDT 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	32120.50	163264000	04/15/2026	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	03/31/2026	1416	32001.60
10b5-1 Sales for SARAH SCHUBACH 1800 Owens Street San Francisco CA 94158	Common	03/16/2026	1415	36450.40
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

144: Remarks and Signature

Remarks
Date of Notice	04/15/2026
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)