Dropbox, Inc. (DBX) CAO trades 1,632 shares under 10b5-1 plan

Rhea-AI Filing Summary

Dropbox Chief Accounting Officer Sarah Elizabeth Schubach sold 1,632 shares of Class A common stock on July 31, 2026 at $31.61 per share in an open-market transaction under a Rule 10b5-1 trading plan adopted May 16, 2025, and now directly holds 124,266 shares, including restricted stock units vesting through February 15, 2030.

Insider Trade Summary 10b5-1

Net Seller: 1,632 shares

Net Sell 1 txn

Insider Schubach Sarah Elizabeth

Role Chief Accounting Officer

Sold 1,632 shs ($52K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2	1,632	$31.61	$52K

Holdings After Transaction: Class A Common Stock — 124,266 shares (Direct)

Footnotes (2)

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.

Key Figures

Shares sold: 1,632 shares Sale price: $31.61 per share Shares owned after sale: 124,266 shares +2 more

5 metrics

Shares sold 1,632 shares Class A Common Stock sold on July 31, 2026

Sale price $31.61 per share Price for the reported open-market or private sale

Shares owned after sale 124,266 shares Direct Class A holdings following the transaction

Rule 10b5-1 plan adoption date May 16, 2025 Date the trading plan governing the sale was adopted

RSU vesting end date February 15, 2030 Restricted stock units vest through this date

Key Terms

Rule 10b5-1 trading plan, restricted stock units, Service Provider

3 terms

Rule 10b5-1 trading plan regulatory

"shares were sold pursuant to a Rule 10b5-1 trading plan"

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"

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"

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/04/2026 - 04:22 PM Accepted by SEC EDGAR 08/04/2026 - 04:21 PM Learn about SEC filing dates

FAQ

What did Dropbox (DBX) CAO Sarah Schubach sell in this insider trade?

Dropbox Chief Accounting Officer Sarah Schubach sold 1,632 shares of Class A Common Stock on July 31, 2026 at $31.61 per share. The transaction is reported as an open-market or private sale of non-derivative equity.

Was the DBX insider sale by Sarah Schubach made under a Rule 10b5-1 plan?

Yes. The sale of Dropbox shares was made under a Rule 10b5-1 trading plan adopted by Sarah Schubach on May 16, 2025. Such pre-arranged plans allow insiders to trade under predetermined instructions, reducing the role of later information in trade timing.

How many Dropbox (DBX) shares does Sarah Schubach hold after this transaction?

After the reported sale, Sarah Schubach directly holds 124,266 shares of Dropbox Class A Common Stock. This figure includes securities noted in the filing as restricted stock units that continue to be subject to their applicable vesting schedule.

What are the key terms of Sarah Schubach’s restricted stock units at Dropbox (DBX)?

Certain securities reported are restricted stock units, each representing the right to receive one Class A share, subject to vesting through February 15, 2030. If she ceases to be a Service Provider, any unvested restricted stock units will be cancelled by Dropbox.

Does this Dropbox (DBX) Form 4 show any option exercises or derivative transactions?

No derivative or option transactions are reported in this Form 4. The structured data show a single non-derivative sale of common stock, with derivative transaction counts and exercise shares indicated as zero in the transaction summary.

SEC Form 4

FORM 4

UNITED 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/31/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	07/31/2026		S(1)		1,632	D	$31.61	124,266(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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount 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.

Remarks:

	/s/ Cara Angelmar, Attorney-in-Fact	08/04/2026
	** Signature of Reporting Person	Date
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)