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Financials

Myasthenia Gravis Foundation of America (MGFA) is the largest patient advocacy organization in the United States dedicated solely to the fight against myasthenia gravis.

  • 501(c) (3) Status
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2025

Annual Report 2025

Audit for MGFA, Inc. 

IRS Form 990

2024

Annual Report 2024

Audit for MGFA, Inc. 

IRS Form 990

2023

Annual Report 2023

Audit for MGFA, Inc. 

IRS Form 990

2022

Annual Report 2022

Audit for MGFA, Inc. 

IRS Form 990

2021

Annual Report 2021

Audit for MGFA, Inc. 

IRS Form 990

2020

Annual Report 2020

Audit for MGFA, Inc.

IRS Form 990

2019

Annual Report 2019

Audit for MGFA, Inc. 

IRS Form 990

2018

Annual Report 2018

Audit for MGFA, Inc. 

IRS Form 990

2017

Annual Report 2017

Audit for MGFA, Inc.

IRS Form 990

2016

Annual Report

Audit for MGFA, Inc.

IRS Form 990

2015

Annual Report

Audit for MGFA, Inc.

IRS Form 990

2014

Annual Report

Audit for MGFA, Inc.

IRS Form 990

2013

Annual Report

Audit for MGFA, Inc.

IRS Form 990

2012

Annual Report

Audit for MGFA, Inc.

IRS Form 990

A World Without MG

Give now to help create a world without MG.

MGFA touches the lives of hundreds of thousands of patients, families, friends, and medical professionals from around the world. Your gift will support programming and fund cutting-edge research leading to better treatments and a cure for MG.

Donate Now
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© Copyright 2026 Myasthenia Gravis Foundation Of America, Inc. | 290 Turnpike Road, Suite 5-315, Westborough, MA 01581 | EIN: 13-5672224

Samantha Masterson

President & CEO

Samm brings more than two decades of nonprofit experience, serving in executive leadership roles for healthcare nonprofits such as March of Dimes, National Brain Tumor Society, and the American Liver Foundation. She has an extensive background in organizational management, strategic planning, board and volunteer development, and revenue generation that results in growth and impact. As MGFA’s senior executive, Samm is responsible for providing the vision and strategy to fulfill the work identified in the organization’s strategic plan, support the MGFA’s vision and mission, and ensure that both the operational and board structures support this work.