Nonprofit · EIN 38-1904535
INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O
Also known as 1666 UAW
Tax-exempt · KALAMAZOO, MI 49048
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $388,156 | $363,462 | $24,694 | $270,724 | $21,100 | $249,624 |
| December 31, 2024 | 990 | $322,524 | $292,444 | $30,080 | $245,847 | $36,208 | $209,639 |
| December 31, 2023 | 990 | $277,036 | $315,284 | -$38,248 | $214,954 | $15,877 | $199,077 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Program service revenue
- $377,054
- Investment income
- $3,966
- Other revenue
- $7,136
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $36,031
- Other salaries and wages
- $19,355
- Salaries, compensation and benefits (total)
- $59,996
- Professional fundraising fees
- $0
- Occupancy
- $16,169
- Travel
- $8,620
Balance sheet and other
- Total assets, start of year
- $245,847
- Total assets, end of year
- $270,724
- Total liabilities, end of year
- $21,100
- Net assets, end of year
- $249,624
- Land, buildings and equipment
- $16,125
- Gross receipts
- $388,156
- Employees
- 26
- Volunteers
- 0
- Year formed
- 1967
- State of legal domicile
- MI
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 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mark A Bush | Fin Sec Officer | 7.6 | $14,802 |
| John H Edwards | Recording Sec Officer | 4.1 | $7,646 |
| Stephan Vanspronsen | President Officer | 1.1 | $4,127 |
| Anthony A Weed | Vice President Officer | 1.1 | $2,084 |
| Scott L Gearhart | Trustee Trustee or director, Officer | 1 | $1,487 |
| Sally Caldwell | Trustee Trustee or director, Officer | 0.9 | $1,482 |
| Tonya Marton | Trustee Trustee or director, Officer | 0.9 | $1,482 |
| Matt Southworth | Guide Officer | 0.7 | $1,386 |
| Joseph G Foy | Sargent at Arms Officer | 0.7 | $1,347 |
| Lane E Engstrom | Recording Sec Officer | 0.1 | $188 |
| Bradley Griffioen | President Officer | 0 | $0 |
990 for the year ended December 31, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mark A Bush | Fin Sec Officer | 6.9 | $13,131 |
| Stephan Vanspronsen | President Officer | 2 | $4,683 |
| Lane E Engstrom | Recording Sec Officer | 1.8 | $3,809 |
| Tonya Marton | Trustee Trustee or director, Officer | 1.7 | $2,650 |
| Bradley Griffioen | President Officer | 0.8 | $2,396 |
| Anthony A Weed | Vice President Officer | 1.3 | $2,267 |
| Scott L Gearhart | Trustee Trustee or director, Officer | 1 | $1,562 |
| Sally Caldwell | Trustee Trustee or director, Officer | 0.9 | $1,474 |
| Joseph G Foy | Sargent at Arms Officer | 0.8 | $1,436 |
| Matt Southworth | Guide Officer | 0.7 | $1,267 |
990 for the year ended December 31, 2023: 13 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mark A Bush | Fin Sec Officer | 6.8 | $12,692 |
| Bradley Griffioen | President Officer | 2.5 | $5,118 |
| Lane E Engstrom | Recording Sec Officer | 2.3 | $4,527 |
| Scott Russell | President Officer | 1.5 | $3,308 |
| Tonya Marton | Trustee Trustee or director, Officer | 1.9 | $2,963 |
| Stephan Vanspronsen | Vice President Officer | 1.4 | $2,459 |
| Daniel R Boyd | Vice President Officer | 1.3 | $2,116 |
| Sally Caldwell | Trustee Trustee or director, Officer | 1.3 | $2,015 |
| Scott L Gearhart | Trustee Trustee or director, Officer | 1.1 | $1,607 |
| Jeff Mannes | Sargent At Arms Officer | 0.9 | $1,380 |
| Matt Southworth | Guide Officer | 0.7 | $1,243 |
| Joseph G Foy | Sargent at Arms Officer | 0.5 | $932 |
| Cheryl McGlocklin | Trustee Trustee or director, Officer | 0.5 | $693 |
Address and contacts
- Address (IRS master file)
- 5111 E ML AVE STE A120, KALAMAZOO, MI 49048-8584
- Principal officer (990 for 2025)
- Stephan Vanspronsen
- Signed the 990
- MARK BUSH, Financial Secretary
- Phone
- (269) 998-0494
Mission
Promote social and economic justice through collective bargaining, meetings, education, communication, organizing new bargaining units, community action, administration of the organization, maintenance of its property and assets, delivery of benefits to represent members, fraternal and social activities and related activities which further the common interest of the membership.
Program accomplishments
- Collective bargaining and representation for 392 members
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 38-1904535
- Tax-exempt status
- 501(c)(5): Labor, agricultural or horticultural organization
- Donations deductible
- No
- Exempt since
- 1970
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $270,724
- Income (IRS master file)
- $388,156
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $388,156 | $363,462 | $270,724 | IRS |
| 990 | December 2024 | $322,524 | $292,444 | $245,847 | XML |
| 990 | December 2023 | $277,036 | $315,284 | $214,954 | XML |
| 990 | December 2022 | $234,434 | $257,478 | $250,133 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | 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 38-1904535).
Questions about INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O
- What is the EIN of INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O?
- The employer identification number (EIN) of INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O is 38-1904535.
- Is INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(5) since 1970.
- Are donations to INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O 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 INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O?
- The 990 for the year ended December 31, 2025 names Stephan Vanspronsen.
- Who are the officers and directors of INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O?
- The 990 for the year ended December 31, 2025 lists 11 people; 10 received compensation from the organization, the highest $14,802 (Mark A Bush, Fin Sec).
- How much revenue does INTERNATIONAL UNION UNITED AUTO AEROSPACE & AGRICULTURAL WORKERS O have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $388,156, expenses of $363,462 and total assets of $270,724 at year end.
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