Mary K Prentiss Tr 1

Pittsburgh, PA
EIN: 34-6560703

Type of Nonprofit

Designated as a 4947(a)(1) Non-exempt charitable trusts.

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. If this organization filed an amended return, it may not be reflected below. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2024

Revenue

$6,593

Expenses

$11,534

Net Income

-$4,941

Net Assets

$163,282

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,714	71.5%
Sales of Assets	$1,879	28.5%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$9,259	80.3%
Compensation of Officers*	$2,718	23.6%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$163,282
Total Liabilities	$0
Net Assets	$163,282

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,718	$0

990-PF

Filed on April 26, 2025

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2023

Revenue

$2,164

Expenses

$11,429

Net Income

-$9,265

Net Assets

$168,297

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,310	> 100%
Sales of Assets	-$2,402
Other Income	$256	11.8%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,186	89.1%
Compensation of Officers*	$2,399	21.0%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$168,297
Total Liabilities	$0
Net Assets	$168,297

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,399	$0

990-PF

Filed on April 16, 2024

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2022

Revenue

-$3,771

Expenses

$13,469

Net Income

-$17,240

Net Assets

$177,425

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,083
Sales of Assets	-$7,854
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$11,719	87.0%
Compensation of Officers*	$2,172	16.1%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$177,425
Total Liabilities	$0
Net Assets	$177,425

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,172	$0

990-PF

Filed on April 12, 2023

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2021

Revenue

$26,994

Expenses

$11,864

Net Income

$15,130

Net Assets

$194,662

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,817	17.8%
Sales of Assets	$21,057	78.0%
Other Income	$1,120	4.1%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,550	88.9%
Compensation of Officers*	$2,539	21.4%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$194,662
Total Liabilities	$0
Net Assets	$194,662

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,539	$0

990-PF

Filed on April 15, 2022

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

XML

Fiscal Year Ending Dec.
2020

Revenue

$6,422

Expenses

$14,543

Net Income

-$8,121

Net Assets

$179,460

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,519	70.4%
Sales of Assets	$1,903	29.6%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,802	74.3%
Compensation of Officers*	$2,500	17.2%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$179,461
Total Liabilities	$1
Net Assets	$179,460

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,500	$0

990-PF

Filed on April 10, 2021

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2019

Revenue

$64,339

Expenses

$12,054

Net Income

$52,285

Net Assets

$187,947

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,609	7.2%
Sales of Assets	$59,730	92.8%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,774	89.4%
Compensation of Officers*	$2,496	20.7%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$187,948
Total Liabilities	$1
Net Assets	$187,947

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,496	$0

990-PF

Filed on April 20, 2020

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2018

Revenue

$18,857

Expenses

$12,398

Net Income

$6,459

Net Assets

$135,664

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,715	25.0%
Sales of Assets	$14,142	75.0%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,572	85.3%
Compensation of Officers*	$2,500	20.2%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$135,664
Total Liabilities	$0
Net Assets	$135,664

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,500	$0

990-PF

Filed on Aug. 2, 2019

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2017

Revenue

$12,535

Expenses

$10,882

Net Income

$1,653

Net Assets

$129,207

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$4,110	32.8%
Sales of Assets	$8,363	66.7%
Other Income	$62	0.5%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$9,568	87.9%
Compensation of Officers*	$2,500	23.0%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$129,207
Total Liabilities	$0
Net Assets	$129,207

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,500	$0

990-PF

Filed on May 4, 2018

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2016

Revenue

$10,993

Expenses

$11,468

Net Income

-$475

Net Assets

$127,553

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$3,731	33.9%
Sales of Assets	$3,713	33.8%
Other Income	$3,549	32.3%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,106	88.1%
Compensation of Officers*	$2,500	21.8%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$127,553
Total Liabilities	$0
Net Assets	$127,553

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,500	$0

990-PF

Filed on April 19, 2017

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2015

Revenue

$11,383

Expenses

$11,962

Net Income

-$579

Net Assets

$128,028

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$3,741	32.9%
Sales of Assets	$7,599	66.8%
Other Income	$43	0.4%

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,325	86.3%
Compensation of Officers*	$2,500	20.9%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$128,028
Total Liabilities	$0
Net Assets	$128,028

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,500	$0

990-PF

Filed on April 6, 2016

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2014

Revenue

$18,407

Expenses

$11,376

Net Income

$7,031

Net Assets

$128,607

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$3,990	21.7%
Sales of Assets	$14,417	78.3%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$9,826	86.4%
Compensation of Officers*	$2,500	22.0%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$128,607
Total Liabilities	$0
Net Assets	$128,607

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,500	$0

990-PF

Filed on April 24, 2015

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2013

Revenue

$4,581

Expenses

$10,994

Net Income

-$6,413

Net Assets

$121,577

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$2,728	59.6%
Sales of Assets	$1,853	40.4%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$9,428	85.8%
Compensation of Officers*	$2,500	22.7%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$121,577
Total Liabilities	$0
Net Assets	$121,577

Compensation

Key Employees and Officers	Compensation	Other
Pnc Bank Na (Trustee)	$2,500	$0

990-PF

Filed on April 30, 2014

Primary tax return for a private foundation's activities, finances, and governance

View Filing

Schedules ▼

PDF XML

Fiscal Year Ending Dec.
2012

Revenue

$7,071

Expenses

$11,536

Net Income

-$4,465

Net Assets

$127,989

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$3,085	43.6%
Sales of Assets	$3,986	56.4%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$10,186	88.3%
Compensation of Officers*	$2,500	21.7%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$127,990
Total Liabilities	$1
Net Assets	$127,989

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2011

Revenue

$4,499

Expenses

$10,618

Net Income

-$6,119

Net Assets

$132,385

Notable Sources of Revenue		Percent of Total Revenue
Contributions Received	$0
Interest Revenue	$0
Dividends	$3,070	68.2%
Sales of Assets	$1,429	31.8%
Other Income	$0

Notable Expenses		Percent of Total Expenses
Charitable Disbursements	$9,154	86.2%
Compensation of Officers*	$2,500	23.5%
* Officer compensation may be included in charitable disbursements, so Percent of Total Expenses may add up to greater than 100%.

Assets/Debt
Total Assets	$132,386
Total Liabilities	$1
Net Assets	$132,385

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2010

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2009

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

Fiscal Year Ending Dec.
2008

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

990-PF

Primary tax return for a private foundation's activities, finances, and governance

PDF

About This Data

What Is This Data?

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains information processed by the IRS during the 2012-2019 calendar years; this generally consists of filings for the 2011-2018 fiscal years, but may include older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Every organization that has been recognized as tax exempt by the IRS has to file Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard."

Nonprofit Explorer has organizations claiming tax exemption in each of the 27 subsections of the 501(c) section of the tax code, and which have filed a Form 990, Form 990EZ or Form 990PF. Taxable trusts and private foundations that are required to file a form 990PF are also included. Small organizations filing a Form 990N "e-Postcard" are not included in this data.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

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For those interested in acquiring the original data from the source, here’s where our data comes from:

Raw filing data. Includes EINs and summary financials as structured data.
Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica. Bulk PDF downloads since 2017 are available from the IRS.
Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in Federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

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Updated April 20, 2026

Mary K Prentiss Tr 1

Organization summary

Type of Nonprofit

Tax Filings by Year

Fiscal Year Ending Dec. 2024

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2023

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2022

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2021

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2020

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2019

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2018

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2017

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2016

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2015

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2014

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2013

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Compensation

Document Links

990-PF

Fiscal Year Ending Dec. 2012

Extracted Financial Data

Extracted Financial Data from Form 990-PF

Document Links

Fiscal Year Ending Dec.
2024

Fiscal Year Ending Dec.
2023

Fiscal Year Ending Dec.
2022

Fiscal Year Ending Dec.
2021

Fiscal Year Ending Dec.
2020

Fiscal Year Ending Dec.
2019

Fiscal Year Ending Dec.
2018

Fiscal Year Ending Dec.
2017

Fiscal Year Ending Dec.
2016

Fiscal Year Ending Dec.
2015

Fiscal Year Ending Dec.
2014

Fiscal Year Ending Dec.
2013

Fiscal Year Ending Dec.
2012

Fiscal Year Ending Dec.
2011

Fiscal Year Ending Dec.
2010

Fiscal Year Ending Dec.
2009

Fiscal Year Ending Dec.
2008