David Mack Biography and Net Worth

CEO of Dropbox


David Mack is the CEO of Dropbox.

What is David Henry Mack's net worth?

The estimated net worth of David Henry Mack is at least $13.50 million as of July 1st, 2025. Mack owns 536,133 shares of Dropbox stock worth more than $13,496,612 as of February 4th. This net worth evaluation does not reflect any other investments that Mack may own. Learn More about David Henry Mack's net worth.

How do I contact David Henry Mack?

The corporate mailing address for Mack and other Dropbox executives is 1800 OWENS STREET, SAN FRANCISCO CA, 94158. Dropbox can also be reached via phone at (415) 857-6800 and via email at [email protected]. Learn More on David Henry Mack's contact information.

Has David Henry Mack been buying or selling shares of Dropbox?

David Henry Mack has not been actively trading shares of Dropbox in the last ninety days. Learn More on David Henry Mack's trading history.

Who are Dropbox's active insiders?

Dropbox's insider roster includes Ashraf Alkarmi (Insider), Lisa Campbell (Director), Quentin Clark (CTO), Eric Cox (Insider), Ali Dasdan (CTO), Andrew Houston (CEO), David Mack (CEO), Robert Mylod, Jr. (Director), Karen Peacock (Director), Timothy Regan (CFO), Sarah Schubach (CAO), Ajay Vashee (CFO), Bart Volkmer (Insider), William Yoon (Chief Legal Officer), and Timothy Young (President). Learn More on Dropbox's active insiders.

Are insiders buying or selling shares of Dropbox?

In the last twelve months, insiders at the sold shares 57 times. They sold a total of 1,202,642 shares worth more than $34,487,003.93. The most recent insider tranaction occured on January, 15th when CAO Sarah Elizabeth Schubach sold 1,168 shares worth more than $31,349.12. Insiders at Dropbox own 28.6% of the company. Learn More about insider trades at Dropbox.

Information on this page was last updated on 1/15/2026.

David Henry Mack Insider Trading History at Dropbox

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David Henry Mack Buying and Selling Activity at Dropbox

This chart shows David Henry Mack's buying and selling at Dropbox by year and by quarter.

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Dropbox Company Overview

Dropbox logo
Dropbox, Inc. provides a content collaboration platform worldwide. The company's platform allows individuals, families, teams, and organizations to collaborate and sign up for free through its website or app, as well as upgrade to a paid subscription plan for premium features. It serves customers in professional services, technology, media, education, industrial, consumer and retail, and financial services industries. The company was formerly known as Evenflow, Inc. and changed its name to Dropbox, Inc. in October 2009. Dropbox, Inc. was incorporated in 2007 and is headquartered in San Francisco, California.
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Today's Range

Now: $25.17
Low: $24.84
High: $25.14

50 Day Range

MA: $27.62
Low: $25.11
High: $29.96

2 Week Range

Now: $25.17
Low: $24.41
High: $33.27

Volume

526,194 shs

Average Volume

3,547,955 shs

Market Capitalization

$6.51 billion

P/E Ratio

14.16

Dividend Yield

N/A

Beta

0.63