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Dropbox (DBX) CTO sells shares, covers RSU tax withholding

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

DROPBOX, INC. (DBX) reported insider transactions by Chief Technology Officer Ali Dasdan involving Class A Common Stock. On August 18, 2026, he sold 11,332 shares in open-market or private transactions at a weighted average price of $34.1274 per share, executed in multiple trades between $33.56 and $34.55, pursuant to a Rule 10b5-1 trading plan adopted on May 12, 2025.

On August 17, 2026, 19,255 shares were disposed of to satisfy tax withholding and remittance obligations in connection with the vesting and net settlement of previously reported restricted stock units (RSUs). Certain remaining securities are RSUs, each representing the right to receive one share of Class A Common Stock, vesting under an applicable schedule through November 15, 2030, with unvested RSUs subject to cancellation if service ends.

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Insights

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Insider Dasdan Ali
Role Chief Technology Officer
Sold 11,332 shs ($387K)
Type Security Shares Price Value
Sale Class A Common Stock F3, F4, F2 11,332 $34.1274 $387K
Tax Withholding Class A Common Stock F1, F2 19,255 $34.42 $663K
Holdings After Transaction: Class A Common Stock — 471,052 shares (Direct)
Footnotes (4)
  1. F1. Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.
  2. F2. Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2030. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock awards and restricted stock units will be cancelled by the Issuer.
  3. F3. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025.
  4. F4. This transaction was executed in multiple trades at prices ranging from $33.56 to $34.55. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Shares sold in open-market transaction 11,332 shares Class A Common Stock sale on August 18, 2026
Weighted average sale price $34.1274 per share Sale of 11,332 Class A shares on August 18, 2026
Sale price range $33.56 to $34.55 Price range for multiple trades comprising the August 18, 2026 sale
Shares withheld for tax obligations 19,255 shares Disposition on August 17, 2026 to satisfy tax withholding on RSU vesting
Tax-withholding reference price $34.4200 per share Per-share value associated with 19,255-share tax withholding disposition
10b5-1 plan adoption date May 12, 2025 Rule 10b5-1 trading plan governing the August 18, 2026 sale
RSU vesting through date November 15, 2030 End of vesting schedule for certain restricted stock units
Rule 10b5-1 trading plan regulatory
"These shares were sold pursuant to a Rule 10b5-1 trading plan adopted"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
restricted stock units financial
"Certain of these securities are restricted stock units. Each restricted stock"
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.
net settlement financial
"in connection with the vesting and net settlement of restricted stock units"
tax withholding and remittance obligations financial
"to satisfy tax withholding and remittance obligations in connection with the"
weighted average sale price financial
"The price reported above reflects the weighted average sale price."

FAQ

What insider transactions did DBX Chief Technology Officer Ali Dasdan report on this Form 4?
Ali Dasdan reported a sale of 11,332 DBX shares on August 18, 2026 and a disposition of 19,255 shares on August 17, 2026 to cover tax withholding tied to RSU vesting.

At what prices did Ali Dasdan sell Dropbox (DBX) stock in the reported transaction?
The reported weighted average price was $34.1274 per share for 11,332 shares. The trade was executed in multiple transactions at prices ranging from $33.56 to $34.55, as disclosed in the footnote.

Was the Dropbox (DBX) insider sale by Ali Dasdan under a Rule 10b5-1 plan?
Yes. The filing states the 11,332-share sale on August 18, 2026 was made pursuant to a Rule 10b5-1 trading plan adopted by Ali Dasdan on May 12, 2025, indicating pre-arranged trading instructions.

Why were 19,255 Dropbox (DBX) shares disposed of in Ali Dasdan’s Form 4?
The 19,255-share disposition on August 17, 2026 represents shares withheld to satisfy tax withholding and remittance obligations arising from the vesting and net settlement of previously reported restricted stock units.

What ongoing equity does Ali Dasdan have tied to Dropbox (DBX) after these transactions?
The filing notes that certain remaining securities are restricted stock units, each for one DBX share, subject to a vesting schedule through November 15, 2030. Unvested RSUs will be cancelled if he ceases to be a service provider.

Does the Form 4 for Dropbox (DBX) indicate how many shares Ali Dasdan holds after the transactions?
The non-derivative transaction lines show the post-transaction share fields as null, so the filing does not state a specific total shareholding after these transactions, though it confirms ongoing RSU awards subject to vesting.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Dasdan Ali
(Last)(First)(Middle)
50 HAWTHORNE STREET
(Street)
SAN FRANCISCO CALIFORNIA 94105
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
DROPBOX, INC. [ DBX ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Technology Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock08/17/2026F(1)19,255D$34.42482,384(2)D
Class A Common Stock08/18/2026S(3)11,332D$34.1274(4)471,052(2)D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.
2. Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2030. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock awards and restricted stock units will be cancelled by the Issuer.
3. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 12, 2025.
4. This transaction was executed in multiple trades at prices ranging from $33.56 to $34.55. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Remarks:
/s/ Cara Angelmar, Attorney-in-Fact08/19/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR