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US nonprofit · EIN 455139751 · Damariscotta, MEiSource and licenceOrganisation record IRS Exempt Organizations Business Master File (EIN 455139751) - NTEE activity code, address.Board and officers IRS Form 990 annual filings, Part VII (directors, trustees, officers, key employees), read year by year to observe tenure.Latest return IRS Form 990 series e-file data - 990EZ for the year to 31 December 2025: assets, liabilities, staff, website, telephone, pay.Renewal outlook Computed by Governance Register from the observed filing history and filed revenue (us-approach-v4-clean). Not a statement that the organisation is recruiting.Principal officer IRS Form 990-N (e-Postcard) - principal officer named for tax year 2014.Deductibility IRS Publication 78 data (code PC), downloaded 18 October 2026.Licence US Federal Government public domain.How we handle data

Tidemark Institute Inc

Donations deductible
Revenue
$2k
year to 31 December 2025
Expenses
$112
year to 31 December 2025
Total assets
$53k
year to 31 December 2025
Net assets
$53k
assets less liabilities
Directors and trustees
3
3.1y av
Left since last filing
0
no seats appear to have opened
Activity
B05
Education
Filings on record
6
latest 2025
How am I connected?

Tidemark Institute Inc's network

3 peoplei3 people on this map.The large node is the subject of this page. Solid lines are what the register itself records (3). Form 990 filings give names without a person identifier; SEC insider filings carry a CIK.

The board

3 listediTime on the board is observed from the annual filings: the IRS files no appointment date, so the bar counts years from the first filing the person appears on - a lower bound, not a filed start date. Names are exactly as filed. The IRS publishes no person identifier, so this edition does not yet link a person across organisations.Tenure and departures are observed across annual filings. Observed tenure is a lower bound - a member may have joined before the first year on record.
NameRole as filedSinceOn the board
James GaldosDirector2025
1 yr
Nancy Harris FrohlichDirector2020
6 yrs
Suzanne WilsonDirector2025
1 yr
Under 5 years5 to 6 years6 years or more

Pay and hours

year to 31 December 2025iFrom Part VII of the Form 990: compensation reported for each officer, director, trustee, key employee and highest-paid staff member, and the average hours a week they report. Most board members are unpaid; a blank means nothing was reported. Pay from related organisations is shown separately.
NameTitle as filedHours a weekPay from the organisationRelated organisationsOther
Constance Jean MoonPres/Treas/Sec/Dir0$0
Nancy Harris FrohlichDirector0$0
Suzanne WilsonDirector0$0
James GaldosDirector0$0

No pay was reported for anyone in Part VII on this return.

About

Legal name
Tidemark Institute Inc
EIN
455139751
Address
73 Bristol Rd, Damariscotta, ME, 04543-4001
State
Maine
Activity (NTEE)
B05 Education
IRS classification
501(c)03 (tax-exempt under section 501(c)(3) where shown)
Classified purpose
Education
Size band
3 (IRS master file code)
IRS ruling date
1 August 2013
Status
Code 01 (unconditional exemption)
Form 990 filings on record
6, latest 2025
IRS Publication 78
PC (contributions deductible)
Principal officer
Constance Jean Moon (Form 990-N, tax year 2014)

Most connected

Longest observed on the filings

≥6years on the filingsNancy Harris Frohlich
≥1years on the filingsJames Galdos
≥1years on the filingsSuzanne Wilson

Latest return

year to 31 December 2025iFigures from the newest Form 990 or 990-EZ in the IRS e-file releases of 2025 and 2026, for the year ending 31 December 2025. US dollars, as filed.
Total assets
$53k
Net assets or fund balances
$53k