Was Karen Peacock’s Dropbox (DBX) share sale under a Rule 10b5-1 plan?

Yes. The Form 4 states the 4,000-share sale was executed under a Rule 10b5-1 trading plan. This plan was adopted by Karen Peacock on December 10, 2025, indicating the transaction was pre-arranged rather than opportunistic market timing.

Dropbox (DBX) director sells 4,000 shares under Rule 10b5-1 trading plan

Filing Impact

(Moderate)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Dropbox, Inc. director Karen Peacock sold 4,000 shares of Class A Common Stock in an open-market transaction on May 15, 2026 at a weighted average price of $26.5047 per share. The sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on December 10, 2025.

After this transaction, Peacock directly holds 17,295 Dropbox shares, according to the filing.

Insider Trade Summary 10b5-1

Net Seller: 4,000 shares ($106,019)

Net Sell 1 txn

Insider Peacock Karen

Role null

Sold 4,000 shs ($106K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	4,000	$26.5047	$106K

Holdings After Transaction: Class A Common Stock — 17,295 shares (Direct, null)

Footnotes (1)

These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 10, 2025. This transaction was executed in multiple trades at prices ranging from $26.125 to $26.86. 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.

Key Figures

Shares sold: 4,000 shares Weighted average sale price: $26.5047 per share Shares held after transaction: 17,295 shares +2 more

5 metrics

Shares sold 4,000 shares Open-market sale on May 15, 2026

Weighted average sale price $26.5047 per share Class A Common Stock sale

Shares held after transaction 17,295 shares Direct ownership after May 15, 2026 sale

Transaction code S Sale of non-derivative securities

Trading plan adoption date December 10, 2025 Rule 10b5-1 trading plan for this sale

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, open-market sale, Class A Common Stock

4 terms

Rule 10b5-1 trading plan financial

"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.

weighted average sale price financial

"The price reported above reflects the weighted average sale price."

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Class A Common Stock financial

"security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Form 4 Insider Transactions: What Each Field Means →

05/19/2026 - 05:37 PM

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).

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^*

Peacock Karen

(Last)

(First)

(Middle)

1800 OWENS STREET

SUITE 200

(Street)

SAN FRANCISCO

CALIFORNIA

94158

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	05/15/2026		S⁽¹⁾		4,000	D	$26.5047⁽²⁾	17,295	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 10, 2025.

2. This transaction was executed in multiple trades at prices ranging from $26.125 to $26.86. 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-Fact	05/19/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Dropbox (DBX) director Karen Peacock report?

Karen Peacock reported selling 4,000 shares of Dropbox Class A Common Stock in an open-market transaction. The sale occurred on May 15, 2026 at a weighted average price of $26.5047 per share and reduced her direct holdings to 17,295 shares.

At what price did Karen Peacock sell Dropbox (DBX) shares?

She sold 4,000 Dropbox Class A Common shares at a weighted average price of $26.5047. The filing notes the trade was executed in multiple transactions between $26.125 and $26.86 per share, with the average price reported for disclosure purposes.

How many Dropbox (DBX) shares does Karen Peacock hold after the sale?

Following the reported sale, Karen Peacock directly holds 17,295 shares of Dropbox Class A Common Stock. This figure reflects her position after disposing of 4,000 shares in the May 15, 2026 open-market transaction disclosed in the Form 4 filing.

What type of transaction code was used in Karen Peacock’s Dropbox (DBX) filing?

The transaction used code “S,” indicating a sale of non-derivative securities. The Form 4 describes it as an open-market or private sale of Class A Common Stock, consistent with the 4,000 shares sold on May 15, 2026 at a weighted average price of $26.5047.