THE WILDERNESS SOCIETY

WASHINGTON, DC EIN 53-0167933 EnvironmentC340 501C3 CHARITY

$38.3M

Revenue

Filings

$35.6M

Total Grants

921

Grant Records

Latest Financial Summary

Fiscal Year	Revenue	Expenses	Net Assets	Contributions
FY ending Sep 2025	$38.3M	$38.0M	$102.1M	$35.3M

Full Financial History

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Key Officers

MARTINIQUE GRIGG

CO-GOVERNING COUNCIL CHAIR

RUE MAPP

CO-GOVERNING COUNCIL CHAIR

MICHAEL A MANTELL

IMMEDIATE PAST CHAIR

Executive Compensation

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Top Grant Recipients (Teaser)

WILDERNESS SOCIETY $1.9M

Wilderness Society $1.3M

Wilderness Society $1.0M

921 total grants · $35.6M total giving

Complete Grants Database

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Filing History

990

FY ending Sep 2025

Period ended 2025-09-30

Period ended 2023-09-30

Period ended 2022-09-30

990

FY ending Sep 2021

Period ended 2021-09-30

Period ended 2019-09-30

990

FY ending Sep 2019

Period ended 2019-09-30

990

FY ending Sep 2018

Period ended 2018-09-30

990

FY ending Sep 2017

Period ended 2017-09-30

990

FY ending Sep 2016

Period ended 2016-09-30

990

FY ending Sep 2015

Period ended 2015-09-30

990

FY ending Sep 2014

Period ended 2014-09-30

990

FY ending Sep 2012

Period ended 2012-09-30

990

FY ending Sep 2012

Period ended 2012-09-30

990

FY ending Sep 2011

Period ended 2011-09-30

990

FY ending Sep 2010

Period ended 2010-09-30

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