Timothy Regan plans sale of 1,500 Dropbox shares

This Form 144 notice relates to the planned sale of 1,500 shares of common stock of DBX for the account of Timothy Regan.

Rhea-AI Filing Summary

This Form 144 notice relates to the planned sale of 1,500 shares of common stock of DBX for the account of Timothy Regan. The shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ, with an aggregate market value of $38,745.00 and an approximate sale date of 01/30/2026.

The securities were acquired as restricted stock units from the issuer on 05/15/2025. The filing notes 182,734,460 shares of common stock outstanding. It also lists several recent sales under a Rule 10b5-1 sales plan for Timothy Regan, each for 1,500 common shares on dates from 11/14/2025 to 01/15/2026, with gross proceeds between $40,260.00 and $45,373.95.

FAQ

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

How many DBX shares does Timothy Regan plan to sell in this Form 144?

The notice covers a planned sale of 1,500 shares of DBX common stock. These shares have an aggregate market value of about $38,745.00 and are to be sold on NASDAQ through Morgan Stanley Smith Barney LLC Executive Financial Services.

When are the DBX shares covered by this Form 144 expected to be sold?

The approximate sale date for the 1,500 DBX shares is listed as 01/30/2026. This timing reflects when the broker may execute the planned transaction on NASDAQ, subject to market conditions and the terms of the trading instructions.

How did Timothy Regan acquire the DBX shares being sold under this Form 144?

The 1,500 DBX common shares come from restricted stock units acquired from the issuer on 05/15/2025. The table shows the nature of the acquisition as “Restricted Stock Units,” with the acquisition and payment date both recorded as that same day.

What recent DBX stock sales are disclosed for Timothy Regan in the past three months?

The filing lists several Rule 10b5-1 sales plan transactions for Timothy Regan, each for 1,500 common shares, on 11/14/2025, 11/28/2025, 12/15/2025, 12/30/2025, and 01/15/2026, with gross proceeds ranging from about $40,260.00 to $45,373.95.

How many DBX shares are outstanding according to this Form 144 filing?

The notice states that 182,734,460 shares of DBX common stock are outstanding. This figure provides context for the relative size of the planned 1,500-share sale described in the Form 144 compared with the company’s total common shares.

Which broker is handling Timothy Regan’s planned DBX share sale under this Form 144?

The planned sale will be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004. The shares are expected to be sold on the NASDAQ stock market.

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

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Accepted by SEC EDGAR 01/30/2026 - 04:20 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	0001734440
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	TIMOTHY REGAN
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	1500	38745.00	182734460	01/30/2026	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	05/15/2025	Restricted Stock Units	Issuer			1500	05/15/2025	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 Plan for TIMOTHY REGAN 1800 Owens Street San Francisco CA 94158	Common	01/15/2026	1500	40260.00
10b5-1 Sales Plan for TIMOTHY REGAN 1800 Owens Street San Francisco CA 94158	Common	12/30/2025	1500	41865.00
10b5-1 Sales Plan for TIMOTHY REGAN 1800 Owens Street San Francisco CA 94158	Common	12/15/2025	1500	42525.00
10b5-1 Sales Plan for TIMOTHY REGAN 1800 Owens Street San Francisco CA 94158	Common	11/28/2025	1500	44460.00
10b5-1 Sales Plan for TIMOTHY REGAN 1800 Owens Street San Francisco CA 94158	Common	11/14/2025	1500	45373.95

144: Remarks and Signature

Remarks
Date of Notice	01/30/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/10/2025
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/ Timothy Regan
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)