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American Physical Society

Public charityFed auditsIRS 990
DBA: % SANDY WELDON DIRECTOR
Other · COLLEGE PARK, MD · EIN 13-1656610

About

The american physical society is an educational and scientific organization whose objective is to advance physics by fostering a vibrant, inclusive, and global community dedicated to science and society. APS is a membership association which publishes physics journals, conducts scientific meetings, and engages in educational, public affairs and outreach programs.

In care of Sandy Weldon Director

Donations are tax-deductible
Category
Other
Employees
346
Volunteers
2,900

Financial Snapshot

FY ending 2024-12-31
Revenue
$106.3M
Expenses
$90.9M
Assets
$313.0M
Liabilities
$33.9M

Financial history

$106.3M$53.2M$0
161718192021222324
RevenueExpenses
Latest FY2024: $106.3M · Avg: $72.8M

Foreign activity (Schedule F)

Total spent abroad$424K
Foreign employees0
Foreign offices0
Foreign partnership interestNo
Foreign trust interestNo
RegionActivitySpent
Central America and the Caribbean
East Asia and the Pacific
Europe (Including Iceland and Greenland)
Middle East and North Africa
North America (Canada & Mexico only)
Russia and Neighboring States
South America
South Asia
Sub-Saharan Africa

501(h) election

This 501(c)(3) elected the 501(h) safe-harbor — lobbying expenditures are capped under a clear dollar formula instead of the "insubstantial part" standard.

Political & Grant Activity

Campaign Spending
Lobbying
$879K
Grants Given
$424K
AMERICAN PHYSICAL SOCIETY
Your actions

Address

1 Physics Ellipse
College Park, MD, 20740-384

Governance

Voting board members17
Independent members14
Conflict-of-interest policyYes
Whistleblower policyYes
Doc-retention policyYes
Audit committeeYes
990 reviewed by boardYes

Compensation practices

Severance paymentsYes
Equity-based compNo
Supplemental retirement planYes
Compensation committeeYes
Used comp surveyYes
Board approved compYes
Initial contract exceptionNo

Financial detail (Schedule D)

Board-designated %0.0%
Permanent endowment %87.0%
Endowment held by related orgNo
Public records
ProPublica Nonprofit Explorer
Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.
IRS Tax Exempt Organization Search
IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.