Spencer Collins Biography and Net Worth

Insider of ARM

Spencer leads each of the global legal, compliance, company secretary, trade compliance, government affairs and corporate development teams. He has more than 20 years of industry experience and has led many of the highest-profile M&A and investment transactions in the technology sector.

Before joining Arm, Spencer was Managing Partner and General Counsel at the world’s largest technology-focused investment fund, SoftBank Vision Fund (SVF). Spencer has also served as a partner in the investment team at SVF. Prior to SVF, Spencer practiced as a technology-focused M&A and investment lawyer in the London offices of White & Case and Allen & Overy (A&O). He also spent time on secondment from A&O to Fenwick & West in the San Francisco Bay Area.

Spencer is based in the U.K. and spends a significant amount of time in Silicon Valley, U.S.

Spencer holds an LL.B. with first class honors and is a graduate of the Stanford Executive Program at Stanford University Graduate School of Business. He was named General Counsel of the Year at The Lawyer Awards 2023 and the British Legal Awards 2023. In 2024, Spencer was named by the Financial Times as one of the world’s top 15 in-house legal leaders and the Arm legal team was named In-House Legal Team of the Year at the British Legal Awards 2024.

What is Spencer Collins' net worth?: The estimated net worth of Spencer Collins is at least $17.48 million as of May 11th, 2026. Collins owns 51,125 shares of ARM stock worth more than $17,476,366 as of June 29th. This net worth approximation does not reflect any other investments that Collins may own. Learn More about Spencer Collins' net worth.
How do I contact Spencer Collins?: The corporate mailing address for Collins and other ARM executives is 110 Fulbourn Road, Cambridge CB1 9NJ, United Kingdom. ARM can also be reached via phone at 44-1223-400-400. Learn More on Spencer Collins' contact information.
Has Spencer Collins been buying or selling shares of ARM?: During the last ninety days, Spencer Collins has sold $19,804,017.53 of ARM stock. Most recently, Spencer Collins sold 40,941 shares of the business's stock in a transaction on Tuesday, May 19th. The shares were sold at an average price of $215.00, for a transaction totalling $8,802,315.00. Learn More on Spencer Collins' trading history.
Who are ARM's active insiders?: ARM's insider roster includes William Abbey (Executive Vice President and Chief Commercial Officer), Jason Child (CFO), Spencer Collins (Insider), Charlotte Eaton (Chief People Officer), Richard Grisenthwaite (Insider), and Rene Haas (CEO). Learn More on ARM's active insiders.
Are insiders buying or selling shares of ARM?: In the last year, insiders at the sold shares 21 times. They sold a total of 301,338 shares worth more than $66,030,158.30. The most recent insider tranaction occured on June, 2nd when CAO Laura Kathleen Bartels sold 11,306 shares worth more than $4,439,866.20. Learn More about insider trades at ARM.
Information on this page was last updated on 6/2/2026.

Spencer Collins Insider Trading History at ARM

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
5/19/2026	Sell	40,941	$215.00	$8,802,315.00
5/11/2026	Sell	51,961	$211.73	$11,001,702.53	51,125

Spencer Collins Buying and Selling Activity at ARM

ARM Company Overview

Arm Holdings Plc engages in the licensing, marketing, research, and development of microprocessors, systems IP, graphics processing units, physical IP and associated systems IP, software, and tools. It operates through the following geographical segments: United Kingdom, United States, and Other Countries. The company was founded on November 12, 1990 and is headquartered in Cambridge, the United Kingdom.

Today's Range

Now: $343.58

$303.67

$346.15

50 Day Range

MA: $291.90

$162.33

$439.46

2 Week Range

Now: $343.58

$100.02

$452.70

Volume

8,363,080 shs

Average Volume

9,030,004 shs

Market Capitalization

$366.97 billion

P/E Ratio

409.02

Dividend Yield

N/A

Beta

3.77