Thompson Foundation

EIN 88-4226789 • Spearfish, SD

41 W Highway 14 Ste 1519Spearfish, SD 57783-1148

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

0.00x

Tied with the lowest-debt nonprofits in its peer group.

<$500k nonprofits • Source year 2024

No value available

Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.

Source year 2024

No value available

Net margin requires both revenue and expenses on the latest valid filing.

Source year 2024

No value available

No filing with officer rows is available for this organization yet.

1400%

Faster asset growth than 99% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

-100%

Faster revenue growth than 4% of similar nonprofits.

<$500k nonprofits • Annualized from 2023 to 2024

Balance Sheet

Liabilities / Assets61st percentile

Using 2024 Form 990PF data because the latest 2025 filing does not report standard financial totals.

Assets

$15

Up $15 from 2023

Liabilities

Flat

Flat from 2023

Net Assets

$15

Up $15 from 2023

Operations

Liabilities / RevenueScore unavailable Net MarginScore unavailable

Revenue

Flat

Flat from 2023

Expenses

$10

Up $10 from 2023

Net Income

Down

-$10

Down $10 from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth99th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

Latest loaded filing

2024

Assets$15

Liabilities$0

Net Assets$15

Open 2024 Filing

Operations Trend

Revenue Growth4th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

Latest loaded filing

2024

Revenue$0

Expenses$10

Net Income-$10

Open 2024 Filing

Filings

Most recent year

2025 • Form 990PFDetailed filing. Detailed filing data is available for this year.

Open filing

Assets: -
Liabilities: -
Net assets: -
Revenue: -
Expenses: -
Net income: -

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2025Detailed filing. Detailed filing data is available for this year.
2024Detailed filing. Detailed filing data is available for this year.	$15	$0	$15	$0	$10	$10
2023Detailed filing. Detailed filing data is available for this year.	$0	$0	$0	$0	$0	$0

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jan 1, 2025 to Dec 31, 2025
Signed: Mar 26, 2026
Return Version: 2025v4.0

Compensation and Service Providers

Top Officer PayScore unavailable

Employees

Name	Title	Full / Part Time	Base	Other	Total
Elizabeth Thompson	Trustee	-	$0	-	-
Richard Thompson	Trustee	-	$0	-	-
R Chandler Thompson	Trustee	-	$0	-	-

Filing and Contact Details

Filer

Filer Name: Thompson Foundation
EIN: 88-4226789
Address: 41 W HIGHWAY 14 STE 1519, Spearfish, SD 57783-1148

Signing Officer

Name: Elizabeth Thompson
Title: Trustee
Phone: 3049199173
Signed: 2026-03-26

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This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990PF/UndistributedIncomeGrp/Taxable1Amt	0	0
IRS990PF/UndistributedIncomeGrp/Taxable2Amt	0	0
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt	0	0
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt	0	0
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt	0	0
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt	0	0
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm	0	Elizabeth Thompson
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt	0	Trustee
ReturnHeader/BusinessOfficerGrp/PhoneNum	0	3049199173
ReturnHeader/BusinessOfficerGrp/SignatureDt	0	2026-03-26
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt	0	Thompson Foundation
ReturnHeader/Filer/BusinessNameControlTxt	0	THOM
ReturnHeader/Filer/EIN	0	884226789
ReturnHeader/Filer/ForeignPhoneNum	0	3047245780
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	41 W HIGHWAY 14 STE 1519
ReturnHeader/Filer/USAddress/CityNm	0	Spearfish
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	SD
ReturnHeader/Filer/USAddress/ZIPCd	0	577831148
ReturnHeader/ReturnTs	0	2026-03-25T16:22:07-04:00
ReturnHeader/ReturnTypeCd	0	990PF
ReturnHeader/TaxPeriodBeginDt	0	2025-01-01
ReturnHeader/TaxPeriodEndDt	0	2025-12-31
ReturnHeader/TaxYr	0	2025

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