Financial Reports Filings: can be found at 
http://www.charities.ago.state.ma.us/charities  - for State Filings
https://www.irs.gov/charities-and-nonprofits - for Federal Filings
We are a 501 (C) 3 - Granby Preservation Society Inc. is the name to use for searches.   As a 501(C) 3 we can not use the 990-N,
and must use a 990 or 990 EZ for submission of our taxes to MA (see documents below) to keep our tax exempt status to meet the five year average of public support percentage.