Joseph J. Hartnett net worth and biography

Joseph Hartnett Biography and Net Worth

Director of Garmin

Joseph Hartnett served as the interim president and chief executive officer of Sparton Corporation from February 2016 to March 2019. Prior to that, he served as president and chief executive officer of Ingenient Technologies from 2008 to 2010. He joined the software development company in 2007 as its chief operating officer. He was the chief financial officer for U.S. Robotics Corporation from 2000 to 2001 and went on to lead the company as president and chief executive officer from 2001 to 2006. Prior to U.S. Robotics, he was a partner with Grant Thornton LLP, where he served for more than 20 years in various leadership roles.

Hartnett is a former director of Ingenient Technologies Inc., and U.S. Robotics Corporation. He also served as a director of Crossroads Systems, Inc. from 2011 to 2013.

Hartnett is a licensed certified public accountant and holds a bachelor’s degree in accounting from the University of Illinois at Chicago.

What is Joseph J. Hartnett's net worth?: The estimated net worth of Joseph J. Hartnett is at least $5.05 million as of June 9th, 2026. Hartnett owns 21,277 shares of Garmin stock worth more than $5,053,607 as of June 9th. This net worth approximation does not reflect any other assets that Hartnett may own. Learn More about Joseph J. Hartnett's net worth.
How do I contact Joseph J. Hartnett?: The corporate mailing address for Hartnett and other Garmin executives is MUHLENTALSTRASSE 2, SCHAFFHAUSEN V8, CH-8200. Garmin can also be reached via phone at (152) 630-1600 and via email at [email protected]. Learn More on Joseph J. Hartnett's contact information.
Has Joseph J. Hartnett been buying or selling shares of Garmin?: Within the last three months, Joseph J. Hartnett has sold $169,475.51 of Garmin stock. Most recently, Joseph J. Hartnett sold 643 shares of the business's stock in a transaction on Tuesday, June 9th. The shares were sold at an average price of $263.57, for a transaction totalling $169,475.51. Following the completion of the sale, the director now directly owns 21,277 shares of the company's stock, valued at $5,607,978.89. Learn More on Joseph J. Hartnett's trading history.
Who are Garmin's active insiders?: Garmin's insider roster includes Sean Biddlecombe (Director), Douglas Boessen (CFO), Jonathan Burrell (Director), Patrick Desbois (EVP), Joseph Hartnett (Director), Min Kao (Chairman), Susan Lyman (VP), Matthew Munn (Director), Clifton Pemble (President, CEO & Director), and Philip Straub (Director). Learn More on Garmin's active insiders.
Are insiders buying or selling shares of Garmin?: During the last twelve months, insiders at the scientific and technical instruments company sold shares 15 times. They sold a total of 79,922 shares worth more than $18,673,027.99. The most recent insider tranaction occured on June, 9th when Director Joseph J Hartnett sold 643 shares worth more than $169,475.51. Insiders at Garmin own 19.5% of the company. Learn More about insider trades at Garmin.
Information on this page was last updated on 6/9/2026.

Joseph J. Hartnett Insider Trading History at Garmin

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
6/9/2026	Sell	643	$263.57	$169,475.51	21,277
3/13/2020	Buy	650	$74.53	$48,444.50
8/18/2014	Buy	1,000	$55.94	$55,940.00

Joseph J. Hartnett Buying and Selling Activity at Garmin

Garmin Company Overview

Garmin Ltd. designs, develops, manufactures, markets, and distributes a range of wireless devices worldwide. Its Fitness segment offers running and multi-sport watches; cycling products; smartwatch devices; scales and monitors; and fitness accessories. This segment also provides Garmin Connect and Garmin Connect Mobile, which are web and mobile platforms where users can track and analyze their fitness, activities and workouts, and wellness data; and Connect IQ, an application development platform. The company's Outdoor segment offers adventure watches, outdoor handhelds and satellite communicators, golf devices, consumer automotive devices, and dog devices, as well as InReach and Gramin response communication device. Its Aviation segment designs, manufactures, and markets various aircraft avionics solutions, including integrated flight decks, electronic flight displays and instrumentation, navigation and communication products, automatic flight control systems and safety-enhancing technologies, audio control systems, engine indication systems, traffic awareness and avoidance solutions, ADS-B and transponders, weather information and avoidance solutions, datalink and connectivity solutions, and various services. The company's Marine segment provides chartplotters and multi-function displays, cartography products, fishfinders, sonar products, autopilot systems, radars, compliant instrument displays and sensors, VHF communication radios, handhelds and wearable devices, sailing products, audio products and accessories, digital switching products, and trolling motors. Its Auto segment offers embedded domain controllers and infotainment units; and software, map database, cameras, wearables, and automotive solutions. The company sells its products through independent retailers, dealers, distributors, installation and repair shops, and original equipment manufacturers, as well as online webshop. Garmin Ltd. was founded in 1989 and is based in Schaffhausen, Switzerland.

Today's Range

Now: $237.86

$233.80

$241.43

50 Day Range

MA: $244.61

$226.01

$267.58

2 Week Range

Now: $237.86

$186.67

$273.32

Volume

456,662 shs

Average Volume

887,505 shs

Market Capitalization

$45.87 billion

P/E Ratio

26.52

Dividend Yield

1.52%

Beta

0.91