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Dropbox CAO gets 21,709 RSUs, sells 1,631 shares

Dropbox’s Chief Accounting Officer reported a new RSU grant and a small 10b5-1–plan share sale, with vesting extending through 2030.

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

DROPBOX, INC. (DBX) reported that Chief Accounting Officer Sarah Elizabeth Schubach received an award of 21,709 restricted stock units of Class A Common Stock on September 1, 2026, at no cash cost. These RSUs each convert into one share and are scheduled to vest on August 15, 2027.

On August 31, 2026, she also sold 1,631 shares of Class A Common Stock at $35.50 per share in a transaction made under a Rule 10b5-1 trading plan adopted on May 16, 2025. Some of her remaining equity consists of RSUs that vest on schedules extending through February 15, 2030, and are cancelled if she ceases to be a Service Provider before vesting.

Positive

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Negative

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Insider Schubach Sarah Elizabeth
Role Chief Accounting Officer
Sold 1,631 shs ($58K)
Type Security Shares Price Value
Grant/Award Class A Common Stock F3, F2 21,709 $0.00 $0.00
Sale Class A Common Stock F1, F2 1,631 $35.50 $58K
Holdings After Transaction: Class A Common Stock — 136,859 shares (Direct)
Footnotes (3)
  1. F1. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 16, 2025.
  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 February 15, 2030. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.
  3. F3. 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. The restricted stock units vest on August 15, 2027.
RSUs granted 21,709 units Restricted stock units of Class A Common Stock granted on September 1, 2026
Grant price per RSU $0.00 per unit Cash price associated with the 21,709 RSU grant to the Chief Accounting Officer
Shares sold 1,631 shares Class A Common Stock sold by the Chief Accounting Officer on August 31, 2026
Sale price $35.50 per share Price for the 1,631-share sale on August 31, 2026 under a Rule 10b5-1 plan
Rule 10b5-1 plan adoption date May 16, 2025 Adoption date of the trading plan used for the August 31, 2026 sale
New RSU vesting date August 15, 2027 Vesting date for the 21,709 RSUs granted on September 1, 2026
Existing RSU vesting schedule end February 15, 2030 End of vesting schedule for certain RSUs held by the reporting person
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
"These securities are restricted stock units. Each restricted stock unit repres"
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.
Service Provider other
"In the event the Reporting Person ceases to be a Service Provider, the unvested"

FAQ

What equity award did DBX grant to Chief Accounting Officer Sarah Schubach?
She received 21,709 restricted stock units of Dropbox Class A Common Stock on September 1, 2026. Each RSU represents the right to receive one share of Class A Common Stock, and this award is scheduled to vest on August 15, 2027.

What sale of Dropbox (DBX) shares did the Chief Accounting Officer report?
On August 31, 2026, the Chief Accounting Officer sold 1,631 shares of Dropbox Class A Common Stock at $35.50 per share. The filing describes this as a sale in an open market or private transaction.

Was the DBX share sale made under a Rule 10b5-1 trading plan?
Yes. The filing states the 1,631-share sale on August 31, 2026 was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 16, 2025.

How do the new Dropbox (DBX) RSUs for the CAO vest?
The 21,709 new RSUs vest on August 15, 2027. Separately, the filing notes that certain RSUs follow a vesting schedule extending through February 15, 2030 and will be cancelled if the reporting person ceases to be a Service Provider before they vest.

What happens to the unvested Dropbox (DBX) RSUs if employment ends?
Unvested RSUs are cancelled if the reporting person ceases to be a Service Provider before they vest. Each RSU represents a right to receive one share of Class A Common Stock only if the applicable vesting schedule is satisfied.

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

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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*
Schubach Sarah Elizabeth
(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 Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026		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 Stock08/31/2026S(1)1,631D$35.5115,150(2)D
Class A Common Stock09/01/2026A21,709(3)A$0136,859(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. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 16, 2025.
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 February 15, 2030. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.
3. 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. The restricted stock units vest on August 15, 2027.
Remarks:
/s/ Cara Angelmar, Attorney-in-Fact09/02/2026
** 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