Nonprofit · EIN 43-0898177
PHYCOLOGICAL SOCIETY OF AMERICA INC
Tax-exempt · LUTHERVILLE, MD 21093
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $490,827 | $365,541 | $125,286 | $3,713,937 | $0 | $3,713,937 |
| December 31, 2024 | 990 | $392,967 | $398,311 | -$5,344 | $3,472,150 | $0 | $3,472,150 |
| December 31, 2023 | 990 | $365,563 | $390,458 | -$24,895 | $3,477,494 | $0 | $3,477,494 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $17,167
- Program service revenue
- $328,538
- Investment income
- $145,065
- Royalties
- $57
- Net gain from sales of assets
- -$20,779
- Other revenue
- $57
Expenses
- Grants and similar amounts paid
- $64,078
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $335
- Accounting fees
- $4,559
- Program services (functional)
- $365,541
Balance sheet and other
- Total assets, start of year
- $3,472,150
- Total assets, end of year
- $3,713,937
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,713,937
- Publicly traded securities
- $3,305,850
- Net assets without donor restrictions
- $3,713,937
- Gross receipts
- $811,858
- Employees
- 0
- Year formed
- 1963
- State of legal domicile
- MD
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 |
|---|---|---|---|
| JULIE KOESTER | TREASURER Trustee or director, Officer | 2 | $0 |
| SARAH HAMSHER | SECRETARY Trustee or director, Officer | 2 | $0 |
| SHONNA MANNING | PRESIDENT Trustee or director | 2 | $0 |
| KAROLINA FUCIKOVA | MEMBERSHIP D Trustee or director | 1 | $0 |
| CHARLES AMSLER | CHAIR, BOT Trustee or director | 1 | $0 |
| ERIC LINTON | FUND MANAGER Trustee or director | 1 | $0 |
| STACY KRUEGER-HADFIELD | COMM. DIRECT Trustee or director | 1 | $0 |
| KIRSTEN MULLER | MANAGING EDI Trustee or director | 1 | $0 |
| GABRIELLA KUBA | STUDENT MBR Trustee or director | 1 | $0 |
| MARK COCK | INTERNATIONA Officer | 1 | $0 |
| WADE HUANG | PROGRAM DIRE Trustee or director | 1 | $0 |
| CHRISTOPHER LANE | PRESIDENT EL Officer | 1 | $0 |
990 for the year ended December 31, 2024: 13 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JULIE KOESTER | TREASURER Trustee or director, Officer | 2 | $0 |
| JULIET BRODIE | PRESIDENT Trustee or director, Officer | 2 | $0 |
| HEATHER SPAULDING | SECRETARY Trustee or director, Officer | 2 | $0 |
| SHONNA MANNING | PRESIDENT EL Trustee or director | 1 | $0 |
| KAROLINA FUCIKOVA | MEMBERSHIP D Trustee or director | 1 | $0 |
| CHARLES AMSLER | CHAIR, BOT Trustee or director | 1 | $0 |
| STEVE MURRAY | FUND MANAGER Trustee or director | 1 | $0 |
| STACY KRUEGER-HADFIELD | COMM. DIRECT Trustee or director | 1 | $0 |
| KIRSTEN MULLER | MANAGING EDI Trustee or director | 1 | $0 |
| GABRIELLA KUBA | STUDENT MBR Trustee or director | 1 | $0 |
| STATION BIOLOGIQUE | INTERNATIONA Officer | 1 | $0 |
| WADE HUANG | PROGRAM DIRE Trustee or director | 1 | $0 |
| KAROLINA FUCIKOVA | MEMBERSHIP D Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PATRICK MARTONE | PRESIDENT Trustee or director, Officer | 2 | $0 |
| JULIE KOESTER | TREASURER Trustee or director, Officer | 2 | $0 |
| DEBORAH ROBERTSON | PAST PRESIDE Trustee or director, Officer | 2 | $0 |
| JULIE BRODIE | PRESIDENT EL Trustee or director, Officer | 2 | $0 |
| HEATHER SPAULDING | SECRETARY Trustee or director, Officer | 2 | $0 |
| SHONNA MANNING | DIRECTOR Trustee or director | 1 | $0 |
| KAROLINA FUCIKOVA | MEMBERSHIP D Trustee or director | 1 | $0 |
| CHARLES AMSLER | CHAIR Trustee or director | 1 | $0 |
| STEVE MURRAY | FUND MANAGER Trustee or director | 1 | $0 |
| STACY KRUEGER-HADFIELD | DIRECTOR Trustee or director | 1 | $0 |
| KIRSTEN MULLER | MANAGING EDI Trustee or director | 1 | $0 |
| GABRIELLA KUBA | STUDENT MEMB Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1519 YORK RD, LUTHERVILLE, MD 21093-5611
- In care of
- % CHARLES DELWICHE
- Principal officer (990 for 2025)
- SHONNA MANNING, 3000 NE 151ST STREET, MSB 250B/212, NORTH MIAMI, FL 33181
- Signed the 990
- JULIE KOESTER, TREASURER
- Phone
- (910) 232-4144
- Website
- WWW.PSAALGAE.ORG
- Return prepared by
- METZLER ADVISORY ST PETE LLC
Mission
TO PROMOTE RESEARCH AND TEACHING IN ALL FIELDS OF PHYCOLOGY.
Program accomplishments
- THE PHYCOLOGICAL SOCIETY OF AMERICA (PSA) WAS FOUNDED IN 1946 TO PROMOTE RESEARCH AND TEACHING IN ALL FIELDS OF PHYCOLOGY. THE SOCIETY PUBLISHES THE JOURNAL OF PHYCOLOGY AND THE PHYCOLOGICAL NEWSLETTER. ANNUAL MEETINGS ARE HELD, OFTEN JOINTLY WITH OTHER NATIONAL OR INTERNATIONAL SOCIETIES OF MUTUAL MEMBER INTEREST. PHYCOLOGICAL SOCIETY OF AMERICA STUDENT AWARDS INCLUDE THE BOLD AWARD FOR BEST STUDENT PAPER AT THE ANNUAL MEETING, THE NEW STUDENT POSTER AWARD FOR THE BEST STUDENT POSTER AT THE ANNUAL MEETING. OTHER PSA HONORARY AWARDS INCLUDE: THE PROVASOLI AWARD FOR OUTSTANDING PAPERS PUBLISHED IN THE JOURNAL OF PHYCOLOGY;THE PRESCOTT AWARD FOR THE BEST PHYCOLOGY BOOK PUBLISHED WITHIN THE PREVIOUS TWO YEARS; THE NORMA J. LANG FELLOWSHIP FOR EARLY CAREER SCIENTIST; AND THE AWARD OF EXCELLENCE, A CAREER ACHIEVEMENT AWARD FOR A LIVING SCIENTIST WITH A RECORD OF SUSTAINED SCHOLASTIC ACTIVITY.Expenses $365,541 · grants $64,078 · revenue $328,538
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
- 43-0898177
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1963
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $3,713,937
- Income (IRS master file)
- $811,858
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $490,827 | $365,541 | $3,713,937 | IRS |
| 990 | December 2024 | $392,967 | $398,311 | $3,472,150 | XML |
| 990 | December 2023 | $365,563 | $390,458 | $3,477,494 | XML |
| 990 | December 2022 | $318,578 | $251,121 | $3,317,480 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 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 43-0898177).
Questions about PHYCOLOGICAL SOCIETY OF AMERICA INC
- What is the EIN of PHYCOLOGICAL SOCIETY OF AMERICA INC?
- The employer identification number (EIN) of PHYCOLOGICAL SOCIETY OF AMERICA INC is 43-0898177.
- Is PHYCOLOGICAL SOCIETY OF AMERICA INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1963.
- Are donations to PHYCOLOGICAL SOCIETY OF AMERICA INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does PHYCOLOGICAL SOCIETY OF AMERICA INC 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 PHYCOLOGICAL SOCIETY OF AMERICA INC 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 PHYCOLOGICAL SOCIETY OF AMERICA INC 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 PHYCOLOGICAL SOCIETY OF AMERICA INC?
- The 990 for the year ended December 31, 2025 names SHONNA MANNING.
- Who are the officers and directors of PHYCOLOGICAL SOCIETY OF AMERICA INC?
- The 990 for the year ended December 31, 2025 lists 12 people; 0 received compensation from the organization.
- How much revenue does PHYCOLOGICAL SOCIETY OF AMERICA INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $490,827, expenses of $365,541 and total assets of $3,713,937 at year end.
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