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Nonprofit · EIN 58-2117440

SOLSTICE FOUNDATION INC

Tax-exempt · WILMINGTON, DE 19809

Financials

$142K$270K2023$170K$259K2024$241K$290K2025
Revenue Expenses · by fiscal year end
Financials of SOLSTICE FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$240,741$290,322-$49,581$2,162,628$0$2,162,628
December 31, 2024990-PF$170,128$259,486-$89,358$2,212,209$0$2,212,209
December 31, 2023990-PF$141,852$270,016-$128,164$2,301,567$0$2,301,567
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Dividends
$71,433
Interest
$5,728
Net gain from sales of assets
$163,580

Expenses

Grants and similar amounts paid
$254,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$270,202
Excise tax on investment income
$3,156

Balance sheet and other

Total assets, start of year
$2,212,209
Total assets, end of year
$2,162,628
Total liabilities, end of year
$0
Net assets, end of year
$2,162,628
Fair market value of assets
$2,861,335
Qualifying distributions
$270,202
Net investment income
$244,222

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Briana Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Carol Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
David Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Josh Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Sec1$0
Kendall Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Lauren Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Mark Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Pres1$0
Todd Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Treas1$0
990-PF for the year ended December 31, 2024: 8 people
NameTitleHours / weekCompensation
Briana Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Carol Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
David Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Treas1$0
Josh Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Sec1$0
Kendall Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Lauren Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Mark Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Pres1$0
Todd Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Treas1$0
990-PF for the year ended December 31, 2023: 8 people
NameTitleHours / weekCompensation
Briana Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Carol Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
David Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Treas1$0
Josh Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Sec1$0
Kendall Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Lauren Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0
Mark Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir, Pres1$0
Todd Lindenbaum
Foundation Source 501 Silverside Rd, Wilmington, DE 198091377
Dir1$0

Address and contacts

Address (IRS master file)
FOUNDATION SOURCE 501 SILVERSIDE RD, WILMINGTON, DE 19809-0000
In care of
% FOUNDATION SOURCE
Signed the 990-PF
Todd Lindenbaum, Treasurer
Phone
(800) 839-1754
Return prepared by
Foundation Source

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
58-2117440
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
1995
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$2,162,628
Income (IRS master file)
$623,637

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$240,741$290,322$2,162,628XML
990-PFDecember 2024$170,128$259,486$2,212,209XML
990-PFDecember 2023$141,852$270,016$2,301,567XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2018–––IRS
990-PFDecember 2017–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 58-2117440).

Questions about SOLSTICE FOUNDATION INC

What is the EIN of SOLSTICE FOUNDATION INC?
The employer identification number (EIN) of SOLSTICE FOUNDATION INC is 58-2117440.
Is SOLSTICE FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
Are donations to SOLSTICE FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does SOLSTICE FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of SOLSTICE FOUNDATION INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SOLSTICE FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of SOLSTICE FOUNDATION INC?
The 990-PF for the year ended December 31, 2025 lists 8 people; 0 received compensation from the organization.
How much revenue does SOLSTICE FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $240,741, expenses of $290,322 and total assets of $2,162,628 at year end.

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