Nonprofit · EIN 47-2641919
MOSAIC THEATER COMPANY OF DC
Tax-exempt · WASHINGTON, DC 20002
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $3,001,907 | $2,929,497 | $72,410 | $1,999,565 | $92,211 | $1,907,354 |
| June 30, 2024 | 990 | $2,238,588 | $2,432,745 | -$194,157 | $2,120,743 | $285,810 | $1,834,933 |
| June 30, 2023 | 990 | $2,886,446 | $3,225,969 | -$339,523 | $2,288,061 | $262,686 | $2,025,375 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $2,424,839
- of which government grants
- $215,558
- Program service revenue
- $534,983
- Investment income
- $71,073
- Net income from fundraising events
- -$28,988
- Other revenue
- -$28,988
Expenses
- Grants and similar amounts paid
- $133,400
- Compensation of officers, directors and key employees
- $248,360
- Other salaries and wages
- $741,130
- Salaries, compensation and benefits (total)
- $1,171,575
- Professional fundraising fees
- $0
- Legal fees
- $850
- Accounting fees
- $29,512
- Occupancy
- $219,768
- Travel
- $25,162
- Depreciation
- $1,002
- Program services (functional)
- $2,303,148
- Management and general (functional)
- $302,776
- Fundraising (functional)
- $323,573
Balance sheet and other
- Total assets, start of year
- $2,120,743
- Total assets, end of year
- $1,999,565
- Total liabilities, end of year
- $92,211
- Net assets, end of year
- $1,907,354
- Land, buildings and equipment
- $800
- Net assets without donor restrictions
- $478,747
- Net assets with donor restrictions
- $1,428,607
- Gross receipts
- $3,030,895
- Employees
- 51
- Volunteers
- 0
- Year formed
- 2014
- State of legal domicile
- DC
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SERGE SEIDEN | MANAGING DIRECTOR Trustee or director, Officer | 40 | $97,245 | $13,531 |
| REGINALD L DOUGLAS | ARTISTIC DIRECTOR Trustee or director, Officer | 40 | $103,749 | $7,018 |
| CYNTHIA WOLLOCH | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| ELIZABETH STEINGLASS | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DAMION PERKINS | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| TED MAY | BOARD MEMBER Trustee or director, Officer | 3 | $0 | $0 |
| VINCE BROWN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| BOBBIE GOTTSCHALK | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| BILL BRAITHWAITE | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DEBORAH CARLINER | BOARD MEMBER Trustee or director, Officer | 2 | $0 | $0 |
| CRAIG BENSON | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DAVID GROSSO | VICE PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| SUSAN CLAMPITT | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| JUANITA HARDY | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| DAVID GRIER | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
14 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DAVID J NOLAN | BOARD MEMBER Trustee or director | 2 | $0 |
| CARROLL JOHNSON-WELSH | BOARD MEMBER Trustee or director | 3 | $0 |
| ANDY SHALLAL | BOARD MEMBER Trustee or director | 2 | $0 |
| JEFFREY BANKS | VICE PRESIDENT Trustee or director, Officer | 3 | $0 |
| STEPHEN STERN | BOARD MEMBER Trustee or director | 3 | $0 |
| JULIE ZALKIND | BOARD MEMBER Trustee or director | 3 | $0 |
| CATHY SOLOMON | PRESIDENT Trustee or director, Officer | 5 | $0 |
| BILL TOMPKINS | TREASURER Trustee or director, Officer | 5 | $0 |
| MYRNA SISLEN | SECRETARY Trustee or director, Officer | 2 | $0 |
| MURIEL WOLF | BOARD MEMBER Trustee or director | 2 | $0 |
| LESLIE SCALLET LIEBERMAN | BOARD MEMBER Trustee or director | 3 | $0 |
| CORNELL HARRIS | BOARD MEMBER Trustee or director | 2 | $0 |
| STEVEN CLAY | BOARD MEMBER Trustee or director | 2 | $0 |
| JORDAN BOOKEY | BOARD MEMBER Trustee or director | 2 | $0 |
990 for the year ended June 30, 2024: 31 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| REGINALD L DOUGLAS | ARTISTIC DIRECTOR Trustee or director, Officer | 40 | $109,000 | $1,350 |
| SERGE SEIDEN | MANAGING DIRECTOR Trustee or director, Officer | 40 | $104,000 | $0 |
| CYNTHIA WOLLOCH | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| ELIZABETH STEINGLASS | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| MS DAMION PERKINS | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| TED MAY | BOARD MEMBER Trustee or director, Officer | 3 | $0 | $0 |
| VINCE BROWN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| BOBBIE GOTTSCHALK | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| BILL BRAITHWAITE | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DEBORAH CARLINER | VICE PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| ED GROSSMAN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DAVID GROSSO | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| SUSAN CLAMPITT | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| JUANITA HARDY | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| AMIR ALI | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| CATHY MACNEIL-HOLLINGER | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DAVID J NOLAN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| CARROLL JOHNSON-WELSH | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| ANDY SHALLAL | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| JEFFREY BANKS | VICE PRESIDENT Trustee or director | 3 | $0 | $0 |
| MICHAEL SINGER | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| STEPHEN STERN | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| JULIE ZALKIND | BOARD MEMBER Trustee or director, Officer | 3 | $0 | $0 |
| CATHY SOLOMON | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| BILL TOMPKINS | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| MYRNA SISLEN | SECRETARY Trustee or director | 2 | $0 | $0 |
| MURIEL WOLF | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| LESLIE SCALLET LIEBERMAN | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| CORNELL HARRIS | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| STEVEN CLAY | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| JORDAN BOOKEY | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
990 for the year ended June 30, 2023: 29 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SERGE SEIDEN | MANAGING DIRECTOR Trustee or director, Officer | 40 | $101,000 | $10,984 |
| REGINALD L DOUGLAS | ARTISTIC DIRECTOR Trustee or director, Officer | 40 | $95,786 | $3,211 |
| DEBORAH HANSELMAN | CFO Officer | 40 | $46,480 | $10,065 |
| CYNTHIA WOLLOCH | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| CHERYL ARGRETT | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DEBBIE GOLDMAN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| TED MAY | SECRETARY Trustee or director, Officer | 3 | $0 | $0 |
| VINCE BROWN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| BOBBIE GOTTSCHALK | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| BILL BRAITHWAITE | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DEBORAH CARLINER | VICE PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| ED GROSSMAN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DAVID GROSSO | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| SUSAN CLAMPITT | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| JUANITA HARDY | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| AMIR ALI | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| CATHY MACNEIL-HOLLINGER | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| DAVID J NOLAN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| CARROLL JOHNSON-WELSH | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| ANDY SHALLAL | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| JEFFREY BANKS | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| MICHAEL SINGER | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| STEPHEN STERN | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
| JULIE ZALKIND | VICE PRESIDENT Trustee or director, Officer | 3 | $0 | $0 |
| CATHY SOLOMON | PRESIDENT Trustee or director, Officer | 5 | $0 | $0 |
| BILL TOMPKINS | TREASURER Trustee or director, Officer | 5 | $0 | $0 |
| MYRNA SISLEN | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| MURIEL WOLF | BOARD MEMBER Trustee or director | 2 | $0 | $0 |
| LESLIE SCALLET | BOARD MEMBER Trustee or director | 3 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 1333 H ST NE, WASHINGTON, DC 20002-4446
- In care of
- % AARON ROTH
- Principal officer (990 for 2024)
- SERGE SEIDEN, 1333 H STREET NE, WASHINGTON, DC 20002
- Signed the 990
- SERGE SEIDEN, MANAGING DIRECTOR
- Phone
- (202) 399-7993
- Website
- WWW.MOSAICTHEATER.ORG
- Return prepared by
- SALTI & ASSOCIATES LLC
Mission
MOSAIC THEATER COMPANY OF DC PRODUCES BOLD CULTURALLY DIVERSE THEATER THAT ILLUMINATES CRITICAL ISSUES, ELEVATES FRESH VOICES, AND SPARKS CONNECTIONS AMONG COMMUNITIES THROUGHOUT OUR REGION AND BEYOND. THE COMPANY WAS INCORPORATED IN DECEMBER 2014 IN WASHINGTON, DC AND IS AN INDEPENDENT NOT-FOR-PROFIT CORPORATION.
Program accomplishments
- THE 10TH ANNIVERSARY, 2024-2025 SEASON INCLUDED FIVE FULL PRODUCTIONS:LADY DAY AT EMERSON'S BAR AND GRILL BY LANIE ROBERTSON - AN IMMERSIVE NIGHTCLUB EXPERIENCE OF BILLIE HOLIDAY'S HISTORIC FINAL PERFORMANCE IN 1959; THE ART OF CARE BY DEREK GOLDMAN, A WORLD PREMIERE, DEVISED THEATER EXPERIENCE, CREATED IN CONJUNCTION WITH GEORGETOWN UNIVERSITY'S LAB FOR GLOBAL PERFORMANCE AND POLITICS; OUT OF CHARACTER BY AND STARRING ARI-EL STACHEL, A WORLD PREMIERE CO-PRODUCTION WITH THEATER J; CULLUD WATTAH, BY ERIKA DICKERSON-DESPENZA, ABOUT THE FLINT, MICHIGAN WATER CRISIS; AND ANDY WARHOL IN IRAN, BY BRENT ASKARI.EDUCATION AND ENGAGEMENT: IN PARTNERSHIP WITH 50+ ORGANIZATIONS AND INDIVIDUALS, MOSAIC PRESENTED 27 REFLECTION SERIES AUDIENCE ENGAGEMENT EVENTS CURATED TO DEEPEN THE AUDIENCE EXPERIENCE AND BUILD COMMUNITY. MOSAIC HOSTED 11 INTERGENERATIONAL MATINEE PERFORMANCES AND CURATED POST-SHOW CONVERSATIONS FOR STUDENTS AND SENIORS ATTENDED BY 1584 INDIVIDUALS INCLUDING 826 STUDENTS FROM SCHOOLS FROM 8 WARDS ACROSS THE CITY AND BEYOND. MOSAIC HOSTED ITS THIRD ANNUAL HIGH SCHOOL PLAYWRITING CONTEST INCLUDING PUBLIC READINGS OF THE THREE WINNING PLAYS WITH PROFESSIONAL ACTORS AT THE MARTIN LUTHER KING JR. BRANCH OF THE DC PUBLIC LIBRARY IN MARCH AFTER HOLDING WORKSHOPS AND ONE-ON-ONE SUPPORT TO HELP STUDENTS WRITE ORIGINAL SHORT PLAYS.NEW PLAY DEVELOPMENT: MOSAIC HOSTED DEVELOPMENTAL WORKSHOPS AND READINGS INCLUDING: STEPH DEL ROSSO'S PRECARIOUS AT THE DC PUBLIC LIBRARY NORTHEAST BRANCH AND PART OF THE COMMUNITY ENGAGED THEATER PROGRAM THAT DEVELOPS NEW WORK IN COLLABORATION WITH COMMUNITY MEMBERS AND FURTHERS CONVERSATIONS ON SOCIAL JUSTICE, RACIAL DIVERSITY, AND THE IMPORTANCE OF COMMUNITY; TRISH VRADENBURG NEW PLAY COMMISSION RECIPIENT, PAIGE HERNANDEZ' 7TH STREET ECHO A COMING OF AGE STORY ABOUT A YOUNG WOMAN IN DC'S GO-GO MUSIC SCENE; AND POSTMORTEM, BY MARILYN NESS, ABOUT ONE WOMAN'S RECKONING WITH HER DIFFICULT CHILDHOOD, STARRING MADDIE CORMAN, TOVAH FELDSHUH, AND NANCY ROBINETTE.Expenses $2,303,148 · grants $133,400 · revenue $534,983
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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 47-2641919
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2015
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A65)
- Assets (IRS master file)
- $1,999,565
- Income (IRS master file)
- $3,030,895
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $3,001,907 | $2,929,497 | $1,999,565 | XML |
| 990 | June 2024 | $2,238,588 | $2,432,745 | $2,120,743 | XML |
| 990 | June 2023 | $2,886,446 | $3,225,969 | $2,288,061 | XML |
| 990 | June 2022 | $2,352,048 | $2,178,070 | $2,569,589 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | 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 47-2641919).
Questions about MOSAIC THEATER COMPANY OF DC
- What is the EIN of MOSAIC THEATER COMPANY OF DC?
- The employer identification number (EIN) of MOSAIC THEATER COMPANY OF DC is 47-2641919.
- Is MOSAIC THEATER COMPANY OF DC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
- Are donations to MOSAIC THEATER COMPANY OF DC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MOSAIC THEATER COMPANY OF DC 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 MOSAIC THEATER COMPANY OF DC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MOSAIC THEATER COMPANY OF DC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of MOSAIC THEATER COMPANY OF DC?
- The 990 for the year ended June 30, 2025 names SERGE SEIDEN.
- Who are the officers and directors of MOSAIC THEATER COMPANY OF DC?
- The 990 for the year ended June 30, 2025 lists 29 people; 2 received compensation from the organization, the highest $97,245 (SERGE SEIDEN, MANAGING DIRECTOR).
- How much revenue does MOSAIC THEATER COMPANY OF DC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $3,001,907, expenses of $2,929,497 and total assets of $1,999,565 at year end.
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