John F & Dorothy Knippenberg

Private foundation · Grantmaker Wayne, NJ EIN: 20-7193931

John F & Dorothy Knippenberg is a private foundation, based in Wayne, NJ. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $798K in total assets. In 2025, it awarded 2 grants totaling $60K. Net investment income was $26K.

John F & Dorothy Knippenberg at a glance

In short: John F & Dorothy Knippenberg gave $60K across 2 grants in 2025 (avg $30K), mostly in New Jersey. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$59,925
+71.6% vs 2024
Grants made (2025)
2
+100.0% vs 2024
Average grant
$29,963
-14.2% vs 2024
Median grant
$29,963
Total assets
$797,900
-5.2% vs 2024
Primary geography
New Jersey (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who John F & Dorothy Knippenberg funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Township of Wayne: $40KTownship of Wayne$40KFriends of Laurelwood Arboretum Inc: $20KFriends of LaurelwoodArboretum Inc$20K

The largest 2025 recipient was Township of Wayne ($40K). Together the top 2 received $60K.

Grant Size Distribution

6 grants across all recorded years

6<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 6 grants of 6 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of 2025 grant dollars across all 2 itemized grants.

States

Cities

Wayne

How John F & Dorothy Knippenberg gives

  • Giving grew 47% from 2022 to 2025. Method
  • In 2025 it paid out 144% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$60K1 grant2019 1 grant2020 1 grant2021 1 grant2022 1 grant2023 1 grant2024 2 grants2025

From 2019 to 2025, annual grant giving ranged from $32K (2019) to $60K (2025). In 2025 it made 2 grants totaling $60K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Township of Wayne Wayne, NJFunds for Upkeep of Town Gardens$39,925
Friends of Laurelwood Arboretum Inc Wayne, NJBeautificaion & Maintenance$20,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$797,900$28,694$72,228$59,9252$61,865$26,403$43,111
2024$841,344$32,824$46,513$34,9151$36,710$24,869$41,720
2023$854,998$24,886$50,619$39,6041$46,353$21,962$41,664
2022$880,706$31,455$52,688$40,8831$47,488$25,431$46,209
2021$901,914$40,503$52,505$40,3351—$24,596$47,829
2020$913,866$35,480$51,920$39,8391—$30,968$47,266
2019$930,281$40,210$44,319$32,0001—$36,638$47,005

Under IRS private-foundation payout rules, John F & Dorothy Knippenberg reported a distributable amount of $43K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

John F & Dorothy Knippenberg is led by A. Michael Rubin, Trustee on every filing since 2019 — the only officer listed, and compensated.

Officers on the 2025 filing

  • A. Michael Rubin

    Trustee

    On filings since 2019

    5 hrs/week

    $5K (2019) → $5K (2025)

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

A Michael Rubin — Trustee: $5KA Michael RubinTrustee$5K

The highest reported compensation on the 2025 filing was $5K, to A Michael Rubin (Trustee).

Frequently asked questions about John F & Dorothy Knippenberg

How much does John F & Dorothy Knippenberg give each year?

John F & Dorothy Knippenberg gave $60K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $35K across 1 grant.

How large is John F & Dorothy Knippenberg?

John F & Dorothy Knippenberg reported $798K in total assets on its 2025 IRS Form 990-PF. It paid out $62K in qualifying distributions that year, against a required minimum of $43K (roughly 5% of its investment assets).

Where does John F & Dorothy Knippenberg operate?

John F & Dorothy Knippenberg has awarded grants in New Jersey.

What is John F & Dorothy Knippenberg's EIN?

John F & Dorothy Knippenberg's EIN (Employer Identification Number) is 20-7193931. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS February 11, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS March 11, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS March 28, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS April 3, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS February 6, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS February 15, 2025)
  7. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 27, 2026)
  8. IRS filings on file for fiscal years 2019–2025

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from John F & Dorothy Knippenberg's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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