Civic Intelligence

Thalassa Corporation

Plan context: Thalassa Corporation Pension Plan

EIN 06-1012885 • South Dartmouth, MA • 27 filings • 1 plans

One Hill StreetSouth Dartmouth, MA 02748
Current Snapshot

Latest Year

2025

2025 Participants

2

2025 Assets

$3,727,718

2025 Contributions

$142,174

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$3,727,718$1,863,859$0199920142025YearValue
$3,727,718Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

210199920122025YearValue
2Latest year 2025

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
202512$3,727,718$142,174$71,087iApproximate average salary by contribution assumption: employee only about $1,777,175 at 4% or $1,184,783 at 6%; with 50% employer match about $1,184,783 at 4% or $789,856 at 6%; with 100% employer match about $888,588 at 4% or $592,392 at 6%.
Thalassa Corporation Pension Plan-2$3,727,718$142,174$71,087iApproximate average salary by contribution assumption: employee only about $1,777,175 at 4% or $1,184,783 at 6%; with 50% employer match about $1,184,783 at 4% or $789,856 at 6%; with 100% employer match about $888,588 at 4% or $592,392 at 6%.
202412$3,338,557$154,674$77,337iApproximate average salary by contribution assumption: employee only about $1,933,425 at 4% or $1,288,950 at 6%; with 50% employer match about $1,288,950 at 4% or $859,300 at 6%; with 100% employer match about $966,713 at 4% or $644,475 at 6%.
Thalassa Corporation Pension Plan-2$3,338,557$154,674$77,337iApproximate average salary by contribution assumption: employee only about $1,933,425 at 4% or $1,288,950 at 6%; with 50% employer match about $1,288,950 at 4% or $859,300 at 6%; with 100% employer match about $966,713 at 4% or $644,475 at 6%.
202312$3,150,322$140,700$70,350iApproximate average salary by contribution assumption: employee only about $1,758,750 at 4% or $1,172,500 at 6%; with 50% employer match about $1,172,500 at 4% or $781,667 at 6%; with 100% employer match about $879,375 at 4% or $586,250 at 6%.
Thalassa Corporation Pension Plan-2$3,150,322$140,700$70,350iApproximate average salary by contribution assumption: employee only about $1,758,750 at 4% or $1,172,500 at 6%; with 50% employer match about $1,172,500 at 4% or $781,667 at 6%; with 100% employer match about $879,375 at 4% or $586,250 at 6%.
202212$2,832,741$68,743$34,372iApproximate average salary by contribution assumption: employee only about $859,288 at 4% or $572,858 at 6%; with 50% employer match about $572,858 at 4% or $381,906 at 6%; with 100% employer match about $429,644 at 4% or $286,429 at 6%.
Thalassa Corporation Pension Plan-2$2,832,741$68,743$34,372iApproximate average salary by contribution assumption: employee only about $859,288 at 4% or $572,858 at 6%; with 50% employer match about $572,858 at 4% or $381,906 at 6%; with 100% employer match about $429,644 at 4% or $286,429 at 6%.
202112$3,316,494$67,444$33,722iApproximate average salary by contribution assumption: employee only about $843,050 at 4% or $562,033 at 6%; with 50% employer match about $562,033 at 4% or $374,689 at 6%; with 100% employer match about $421,525 at 4% or $281,017 at 6%.
Thalassa Corporation Pension Plan-2$3,316,494$67,444$33,722iApproximate average salary by contribution assumption: employee only about $843,050 at 4% or $562,033 at 6%; with 50% employer match about $562,033 at 4% or $374,689 at 6%; with 100% employer match about $421,525 at 4% or $281,017 at 6%.
202012$3,145,809$66,712$33,356iApproximate average salary by contribution assumption: employee only about $833,900 at 4% or $555,933 at 6%; with 50% employer match about $555,933 at 4% or $370,622 at 6%; with 100% employer match about $416,950 at 4% or $277,967 at 6%.
Thalassa Corporation Pension Plan-2$3,145,809$66,712$33,356iApproximate average salary by contribution assumption: employee only about $833,900 at 4% or $555,933 at 6%; with 50% employer match about $555,933 at 4% or $370,622 at 6%; with 100% employer match about $416,950 at 4% or $277,967 at 6%.
201912$2,689,779$66,004$33,002iApproximate average salary by contribution assumption: employee only about $825,050 at 4% or $550,033 at 6%; with 50% employer match about $550,033 at 4% or $366,689 at 6%; with 100% employer match about $412,525 at 4% or $275,017 at 6%.
Thalassa Corporation Pension Plan-2$2,689,779$66,004$33,002iApproximate average salary by contribution assumption: employee only about $825,050 at 4% or $550,033 at 6%; with 50% employer match about $550,033 at 4% or $366,689 at 6%; with 100% employer match about $412,525 at 4% or $275,017 at 6%.
201812$2,292,568$65,321$32,661iApproximate average salary by contribution assumption: employee only about $816,513 at 4% or $544,342 at 6%; with 50% employer match about $544,342 at 4% or $362,894 at 6%; with 100% employer match about $408,256 at 4% or $272,171 at 6%.
Thalassa Corporation Pension Plan-2$2,292,568$65,321$32,661iApproximate average salary by contribution assumption: employee only about $816,513 at 4% or $544,342 at 6%; with 50% employer match about $544,342 at 4% or $362,894 at 6%; with 100% employer match about $408,256 at 4% or $272,171 at 6%.
201712$2,474,288$64,660$32,330iApproximate average salary by contribution assumption: employee only about $808,250 at 4% or $538,833 at 6%; with 50% employer match about $538,833 at 4% or $359,222 at 6%; with 100% employer match about $404,125 at 4% or $269,417 at 6%.
Thalassa Corporation Pension Plan-2$2,474,288$64,660$32,330iApproximate average salary by contribution assumption: employee only about $808,250 at 4% or $538,833 at 6%; with 50% employer match about $538,833 at 4% or $359,222 at 6%; with 100% employer match about $404,125 at 4% or $269,417 at 6%.
201612$2,192,485$64,022$32,011iApproximate average salary by contribution assumption: employee only about $800,275 at 4% or $533,517 at 6%; with 50% employer match about $533,517 at 4% or $355,678 at 6%; with 100% employer match about $400,138 at 4% or $266,758 at 6%.
Thalassa Corporation Pension Plan-2$2,192,485$64,022$32,011iApproximate average salary by contribution assumption: employee only about $800,275 at 4% or $533,517 at 6%; with 50% employer match about $533,517 at 4% or $355,678 at 6%; with 100% employer match about $400,138 at 4% or $266,758 at 6%.
201512$2,090,254$63,406$31,703iApproximate average salary by contribution assumption: employee only about $792,575 at 4% or $528,383 at 6%; with 50% employer match about $528,383 at 4% or $352,256 at 6%; with 100% employer match about $396,288 at 4% or $264,192 at 6%.
Thalassa Corporation Pension Plan-2$2,090,254$63,406$31,703iApproximate average salary by contribution assumption: employee only about $792,575 at 4% or $528,383 at 6%; with 50% employer match about $528,383 at 4% or $352,256 at 6%; with 100% employer match about $396,288 at 4% or $264,192 at 6%.
201412$2,295,707$62,810$31,405iApproximate average salary by contribution assumption: employee only about $785,125 at 4% or $523,417 at 6%; with 50% employer match about $523,417 at 4% or $348,944 at 6%; with 100% employer match about $392,563 at 4% or $261,708 at 6%.
Thalassa Corporation Pension Plan-2$2,295,707$62,810$31,405iApproximate average salary by contribution assumption: employee only about $785,125 at 4% or $523,417 at 6%; with 50% employer match about $523,417 at 4% or $348,944 at 6%; with 100% employer match about $392,563 at 4% or $261,708 at 6%.
201312$2,140,527$62,234$31,117iApproximate average salary by contribution assumption: employee only about $777,925 at 4% or $518,617 at 6%; with 50% employer match about $518,617 at 4% or $345,744 at 6%; with 100% employer match about $388,963 at 4% or $259,308 at 6%.
Thalassa Corporation Pension Plan-2$2,140,527$62,234$31,117iApproximate average salary by contribution assumption: employee only about $777,925 at 4% or $518,617 at 6%; with 50% employer match about $518,617 at 4% or $345,744 at 6%; with 100% employer match about $388,963 at 4% or $259,308 at 6%.
201212$1,906,494$60,915$30,458iApproximate average salary by contribution assumption: employee only about $761,438 at 4% or $507,625 at 6%; with 50% employer match about $507,625 at 4% or $338,417 at 6%; with 100% employer match about $380,719 at 4% or $253,813 at 6%.
Thalassa Corporation Pension Plan-2$1,906,494$60,915$30,458iApproximate average salary by contribution assumption: employee only about $761,438 at 4% or $507,625 at 6%; with 50% employer match about $507,625 at 4% or $338,417 at 6%; with 100% employer match about $380,719 at 4% or $253,813 at 6%.
201112$1,701,863$58,777$29,389iApproximate average salary by contribution assumption: employee only about $734,713 at 4% or $489,808 at 6%; with 50% employer match about $489,808 at 4% or $326,539 at 6%; with 100% employer match about $367,356 at 4% or $244,904 at 6%.
Thalassa Corporation Pension Plan-2$1,701,863$58,777$29,389iApproximate average salary by contribution assumption: employee only about $734,713 at 4% or $489,808 at 6%; with 50% employer match about $489,808 at 4% or $326,539 at 6%; with 100% employer match about $367,356 at 4% or $244,904 at 6%.
201012$1,647,914$58,478$29,239iApproximate average salary by contribution assumption: employee only about $730,975 at 4% or $487,317 at 6%; with 50% employer match about $487,317 at 4% or $324,878 at 6%; with 100% employer match about $365,488 at 4% or $243,658 at 6%.
Thalassa Corporation Pension Plan-2$1,647,914$58,478$29,239iApproximate average salary by contribution assumption: employee only about $730,975 at 4% or $487,317 at 6%; with 50% employer match about $487,317 at 4% or $324,878 at 6%; with 100% employer match about $365,488 at 4% or $243,658 at 6%.
200912$1,424,948$58,184$29,092iApproximate average salary by contribution assumption: employee only about $727,300 at 4% or $484,867 at 6%; with 50% employer match about $484,867 at 4% or $323,244 at 6%; with 100% employer match about $363,650 at 4% or $242,433 at 6%.
Thalassa Corporation Pension Plan-2$1,424,948$58,184$29,092iApproximate average salary by contribution assumption: employee only about $727,300 at 4% or $484,867 at 6%; with 50% employer match about $484,867 at 4% or $323,244 at 6%; with 100% employer match about $363,650 at 4% or $242,433 at 6%.
200812$1,306,610$54,360$27,180iApproximate average salary by contribution assumption: employee only about $679,500 at 4% or $453,000 at 6%; with 50% employer match about $453,000 at 4% or $302,000 at 6%; with 100% employer match about $339,750 at 4% or $226,500 at 6%.
Thalassa Corporation Pension Plan-2$1,306,610$54,360$27,180iApproximate average salary by contribution assumption: employee only about $679,500 at 4% or $453,000 at 6%; with 50% employer match about $453,000 at 4% or $302,000 at 6%; with 100% employer match about $339,750 at 4% or $226,500 at 6%.
200712$0$0-
Thalassa Corporation Pension Plan-2---
200612$1,488,715$56,184$28,092iApproximate average salary by contribution assumption: employee only about $702,300 at 4% or $468,200 at 6%; with 50% employer match about $468,200 at 4% or $312,133 at 6%; with 100% employer match about $351,150 at 4% or $234,100 at 6%.
Thalassa Corporation Pension Plan-2$1,488,715$56,184$28,092iApproximate average salary by contribution assumption: employee only about $702,300 at 4% or $468,200 at 6%; with 50% employer match about $468,200 at 4% or $312,133 at 6%; with 100% employer match about $351,150 at 4% or $234,100 at 6%.
200512$1,324,923$45,245$22,623iApproximate average salary by contribution assumption: employee only about $565,563 at 4% or $377,042 at 6%; with 50% employer match about $377,042 at 4% or $251,361 at 6%; with 100% employer match about $282,781 at 4% or $188,521 at 6%.
Thalassa Corporation Pension Plan-2$1,324,923$45,245$22,623iApproximate average salary by contribution assumption: employee only about $565,563 at 4% or $377,042 at 6%; with 50% employer match about $377,042 at 4% or $251,361 at 6%; with 100% employer match about $282,781 at 4% or $188,521 at 6%.
200412$1,265,959$54,261$27,131iApproximate average salary by contribution assumption: employee only about $678,263 at 4% or $452,175 at 6%; with 50% employer match about $452,175 at 4% or $301,450 at 6%; with 100% employer match about $339,131 at 4% or $226,088 at 6%.
Thalassa Corporation Pension Plan-2$1,265,959$54,261$27,131iApproximate average salary by contribution assumption: employee only about $678,263 at 4% or $452,175 at 6%; with 50% employer match about $452,175 at 4% or $301,450 at 6%; with 100% employer match about $339,131 at 4% or $226,088 at 6%.
200312$1,135,546$51,860$25,930iApproximate average salary by contribution assumption: employee only about $648,250 at 4% or $432,167 at 6%; with 50% employer match about $432,167 at 4% or $288,111 at 6%; with 100% employer match about $324,125 at 4% or $216,083 at 6%.
Thalassa Corporation Pension Plan-2$1,135,546$51,860$25,930iApproximate average salary by contribution assumption: employee only about $648,250 at 4% or $432,167 at 6%; with 50% employer match about $432,167 at 4% or $288,111 at 6%; with 100% employer match about $324,125 at 4% or $216,083 at 6%.
200212$919,158$51,791$25,896iApproximate average salary by contribution assumption: employee only about $647,388 at 4% or $431,592 at 6%; with 50% employer match about $431,592 at 4% or $287,728 at 6%; with 100% employer match about $323,694 at 4% or $215,796 at 6%.
Thalassa Corporation Pension Plan-2$919,158$51,791$25,896iApproximate average salary by contribution assumption: employee only about $647,388 at 4% or $431,592 at 6%; with 50% employer match about $431,592 at 4% or $287,728 at 6%; with 100% employer match about $323,694 at 4% or $215,796 at 6%.
200111$0$0-
Thalassa Corporation Pension Plan-1---
200012$0$0-
Thalassa Corporation Pension Plan-2---
199912$907,827$40,823$20,412iApproximate average salary by contribution assumption: employee only about $510,288 at 4% or $340,192 at 6%; with 50% employer match about $340,192 at 4% or $226,794 at 6%; with 100% employer match about $255,144 at 4% or $170,096 at 6%.
Thalassa Corporation Pension Plan-2$907,827$40,823$20,412iApproximate average salary by contribution assumption: employee only about $510,288 at 4% or $340,192 at 6%; with 50% employer match about $340,192 at 4% or $226,794 at 6%; with 100% employer match about $255,144 at 4% or $170,096 at 6%.