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International Myeloma Society

EIN 26-4220253 · United Kingdom

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthStrong93 out of 100GovernanceFair66 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

THE INTERNATIONAL MYELOMA SOCIETY (IMS) IS A PROFESSIONAL, SCIENTIFIC,AND MEDICAL SOCIETY ESTABLISHED TO BRING TOGETHER CLINICAL ANDEXPERIMENTAL SCIENTISTS INVOLVED IN THE STUDY OF MYELOMA. THE PURPOSEOF THIS SOCIETY IS TO PROMOTE RESEARCH, EDUCATION, CLINICAL STUDIES (INCLUDING DIAGNOSIS AND TREATMENT), WORKSHOPS, CONFERENCES AND SYMPOSIA ON ALL ASPECTS OF MULTIPLE MYELOMA AND RELATED DISORDERS WORLDWIDE.

Income
$11.8 million
Spending
$9.7 million
Spent on programs
94%
Reserves
8.2 months of spending
Largest source of income
donations and private grants, 96%
Employees
1
Volunteers
17

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Strong: 93 out of 100. Higher than 82% of charities in its peer group (medical research, $10m to $100m).

  • Reserves

    28 of 35

    Spendable reserves would cover 8.2 months of spending.

  • Debt

    20 of 20

    It owes 1% of what it owns.

  • Living within its means

    15 of 15

    Income exceeded spending by 18% of income.

  • Income trend

    15 of 15

    Income rose 3% on the year before.

  • Spending floor

    15 of 15

    94% of spending went to programs and raising each dollar of donations cost 0 cents.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Fair: 66 out of 100. Higher than 6% of charities in its peer group (medical research, $10m to $100m).

  • Independent board

    18 of 25

    14 of 4 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    0 of 10

    Did not give the board a copy of this return before filing it.

  • Independent check of accounts

    15 of 15

    Its accounts were audited by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $9.2 million spent. THE INTERNATIONAL MYELOMA WORKSHOP IS THE DEFINING BIENNIAL MEETING INMYELOMA WITH A FOCUS ON BOTH THE BASIC, PRECLINICAL AND THE CLINICALASPECTS, INCLUDING:SCIENTIFIC PROGRAMSORAL PRESENTATIONS (ON BASIC BIOLOGY, PRECLINICAL TRIALS AND CLINICALSTUDIES)CONSENSUS PANELSPOSTER PRESENTATIONSTHE SCIENTIFIC PROGRAM OF THE 19TH INTERNATIONAL MYELOMA WORKSHOPSTIMULATED DEBATE AND DISCUSSION AMONG EXPERTS AND ADVANCED OUR UNDERSTANDING OF THE DISEASE BIOLOGY AND THERAPY AND INVOLVED OVER 1,300 PARTICIPANTS.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated November 6, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2024.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since May 2009.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated November 4, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.