Sidman Family Foundation

Sidman Family Foundation faces consecutive years of negative revenue amidst declining assets.

EIN: 203867727 · Boston, MA · NTEE: T20 · Updated: 2026-03-28

$124KRevenue

$7.0MAssets

70/100Mission Score (Good)

T20

About Sidman Family Foundation

Sidman Family Foundation (EIN: 203867727) is a nonprofit organization based in Boston, MA, classified under NTEE code T20. The organization reported total revenue of $124K and total assets of $7.0M according to its most recent IRS 990 filing. This transparency report provides an AI-powered analysis of Sidman Family Foundation's financial health, spending patterns, executive compensation, and overall mission effectiveness based on publicly available IRS data.

AI Transparency Report

The Sidman Family Foundation exhibits a fluctuating financial performance over the past decade, with significant negative revenues in recent years (e.g., -$235,266 in 2024 and -$341,514 in 2023). Despite these revenue challenges, the organization maintains substantial assets, currently at $7,035,526, though this represents a decline from a peak of over $12 million in 2014-2015. The foundation consistently reports 0% officer compensation, indicating a strong commitment to directing funds towards its mission rather than executive salaries. However, the consistent negative revenue figures in recent filings, coupled with high expenses relative to revenue, suggest potential sustainability concerns or a reliance on asset drawdowns for operations. Further investigation into the nature of these negative revenues would be crucial for a complete understanding.

Given the NTEE code T20 (Private Grantmaking Foundations), the primary 'program' activity is likely grantmaking. Without a detailed breakdown of expenses beyond total expenses, it's challenging to precisely assess spending efficiency. However, the absence of officer compensation is a positive indicator of transparency regarding executive pay. The significant asset base provides a buffer, but the trend of declining assets alongside negative revenues warrants close monitoring. The foundation's transparency regarding executive compensation is commendable, but the overall financial picture suggests a need for clarity on the source and nature of its recent financial deficits.

Mission Effectiveness Score

NonprofitSpending's AI analysis rates Sidman Family Foundation with a Mission Score of 70 out of 100 (Good). This score reflects the organization's overall financial transparency, program spending efficiency, and governance indicators derived from IRS 990 public filings.

Spending Breakdown

admin: 10%
programs: 90%
fundraising: 0%

According to IRS 990 filings, Sidman Family Foundation allocates its expenses as follows: admin: 10%, programs: 90%, fundraising: 0%. With 90% directed toward programs, this reflects a strong commitment to its charitable mission.

Executive Compensation Analysis

The Sidman Family Foundation consistently reports 0% officer compensation across all available filings, indicating that no funds are allocated to executive salaries, which is highly unusual for an organization of its asset size and suggests a volunteer-led or externally funded management structure.

Executive compensation data is sourced from IRS 990 filings, which require nonprofits to disclose the compensation of officers, directors, trustees, and key employees. NonprofitSpending analyzes this data relative to the organization's total revenue and sector benchmarks to assess whether executive pay is reasonable.

Red Flags

The following concerns were identified during AI analysis of Sidman Family Foundation's IRS 990 filings:

Consecutive years of significant negative revenue (2023, 2024)
Consistent decline in total assets over the past decade (from $12.9M in 2014 to $4.5M in 2024)
Expenses consistently exceeding revenue in recent years, indicating reliance on asset drawdowns.

Strengths

The following positive indicators were identified for Sidman Family Foundation:

Zero officer compensation reported across all filings, indicating high efficiency in executive pay.
Maintains a substantial asset base ($7,035,526 latest) despite recent declines, providing a buffer for operations.
Long history of IRS 990 filings (10 filings), suggesting consistent compliance.

Frequently Asked Questions about Sidman Family Foundation

Why has the Sidman Family Foundation reported negative revenue in recent years (2023 and 2024)?

The filings show negative revenues of $-235,266 in 2024 and $-341,514 in 2023. This could be due to investment losses, significant returns of contributions, or accounting adjustments. Further detail from the full 990 forms would be needed to understand the specific reasons.

How does the foundation sustain its operations with negative revenue and declining assets?

With expenses exceeding revenue (e.g., $1,099,594 expenses vs. $-235,266 revenue in 2024), the foundation appears to be drawing down its substantial asset base, which has decreased from $12,145,708 in 2015 to $4,587,253 in 2024. This trend is not sustainable long-term without new significant funding or asset growth.

What is the nature of the foundation's liabilities, which have fluctuated significantly?

Liabilities have varied from $0 in 2011 to $1,132,649 in 2021 and $599,780 in 2022, but are reported as $1 in 2023 and 2024. The specific nature of these liabilities (e.g., grants payable, loans) would provide insight into the foundation's financial obligations.

Filing History

IRS 990 filing history for Sidman Family Foundation showing financial trends over 10 years of public records:

Over 10 years of IRS 990 filings (2011–2024), Sidman Family Foundation's revenue has declined by 115.7%, moving from $1.5M to $-235,266. Total assets decreased by 49.6% over the same period, from $9.1M to $4.6M. Total functional expenses rose by 0.4%, from $1.1M to $1.1M. The organization holds $1 in liabilities against $4.6M in assets (debt-to-asset ratio: 0.0%), resulting in net assets of $4.6M.

Year	Revenue	Expenses	Assets	Liabilities	Officer Comp.	PDF
2024	$-235,266	$1.1M	$4.6M	$1	—	View 990
2023	$-341,514	$1.9M	$5.1M	$1	—	View 990
2022	$1.4M	$2.1M	$8.4M	$600K	—	View 990
2021	$1.4M	$1.6M	$9.1M	$1.1M	—	View 990
2020	$1.5M	$2.0M	$8.5M	$131K	—	View 990
2015	$226K	$1.0M	$12.1M	$1	—	View 990
2014	$3.1M	$67K	$13.0M	$1	—	View 990
2013	$3.3M	$982K	$10.0M	$1	—	View 990
2012	$-417,167	$1.0M	$7.7M	$1	—	View 990
2011	$1.5M	$1.1M	$9.1M	$0	—	View 990

Year-by-Year Financial Summary

2024: Revenue of $-235,266, expenses of $1.1M, and assets of $4.6M.
2023: Revenue of $-341,514, expenses of $1.9M, and assets of $5.1M (revenue -123.8% year-over-year).
2022: Revenue of $1.4M, expenses of $2.1M, and assets of $8.4M (revenue +3.0% year-over-year).
2021: Revenue of $1.4M, expenses of $1.6M, and assets of $9.1M (revenue -5.1% year-over-year).
2020: Revenue of $1.5M, expenses of $2.0M, and assets of $8.5M (revenue +549.0% year-over-year).
2015: Revenue of $226K, expenses of $1.0M, and assets of $12.1M (revenue -92.7% year-over-year).
2014: Revenue of $3.1M, expenses of $67K, and assets of $13.0M (revenue -6.2% year-over-year).
2013: Revenue of $3.3M, expenses of $982K, and assets of $10.0M.
2012: Revenue of $-417,167, expenses of $1.0M, and assets of $7.7M (revenue -127.8% year-over-year).
2011: Revenue of $1.5M, expenses of $1.1M, and assets of $9.1M.

Data Sources and Methodology

This transparency report for Sidman Family Foundation is generated by NonprofitSpending's AI analysis engine. The data is sourced from publicly available IRS 990 filings accessed through the ProPublica Nonprofit Explorer API and IRS electronic filing records. The Mission Score, spending breakdown, and other analytical insights are produced by artificial intelligence and should be used as one of multiple factors when evaluating a nonprofit organization.

IRS 990 forms are annual information returns that most tax-exempt organizations must file with the IRS. These forms provide detailed financial information including revenue, expenses, assets, liabilities, and compensation of officers. NonprofitSpending processes this data to provide accessible transparency reports for donors, researchers, and the general public.

Disclaimer

AI-generated analysis based on IRS public records. Not financial or legal advice. Verify information directly with the organization.