Civic Intelligence

Clamshell Structures Inc.

Plan context: Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.

EIN 77-0424035 • Ventura, CA • 31 filings • 3 plans

260 Maple Court Suite 227Ventura, CA 93003
Current Snapshot

Latest Year

2025

2025 Participants

10

2025 Assets

$1,537,388

2025 Contributions

$80,889

Historical Graphs

Total Assets Over Time

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

$3,830,962$1,915,481$0200620152024YearValue
$1,537,388Latest year 2024

Participants Over Time

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

1790200620152024YearValue
10Latest year 2024

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
202510$0$0-
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-0$0$0-
2024110$1,537,388$80,889$8,089iApproximate average salary by contribution assumption: employee only about $202,223 at 4% or $134,815 at 6%; with 50% employer match about $134,815 at 4% or $89,877 at 6%; with 100% employer match about $101,111 at 4% or $67,408 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-10$1,537,388$80,889$8,089iApproximate average salary by contribution assumption: employee only about $202,223 at 4% or $134,815 at 6%; with 50% employer match about $134,815 at 4% or $89,877 at 6%; with 100% employer match about $101,111 at 4% or $67,408 at 6%.
2023110$1,408,077$81,811$8,181iApproximate average salary by contribution assumption: employee only about $204,528 at 4% or $136,352 at 6%; with 50% employer match about $136,352 at 4% or $90,901 at 6%; with 100% employer match about $102,264 at 4% or $68,176 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-10$1,408,077$81,811$8,181iApproximate average salary by contribution assumption: employee only about $204,528 at 4% or $136,352 at 6%; with 50% employer match about $136,352 at 4% or $90,901 at 6%; with 100% employer match about $102,264 at 4% or $68,176 at 6%.
2022110$1,292,847$79,743$7,974iApproximate average salary by contribution assumption: employee only about $199,358 at 4% or $132,905 at 6%; with 50% employer match about $132,905 at 4% or $88,603 at 6%; with 100% employer match about $99,679 at 4% or $66,453 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-10$1,292,847$79,743$7,974iApproximate average salary by contribution assumption: employee only about $199,358 at 4% or $132,905 at 6%; with 50% employer match about $132,905 at 4% or $88,603 at 6%; with 100% employer match about $99,679 at 4% or $66,453 at 6%.
2021113$1,523,826$87,433$6,726iApproximate average salary by contribution assumption: employee only about $168,140 at 4% or $112,094 at 6%; with 50% employer match about $112,094 at 4% or $74,729 at 6%; with 100% employer match about $84,070 at 4% or $56,047 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-13$1,523,826$87,433$6,726iApproximate average salary by contribution assumption: employee only about $168,140 at 4% or $112,094 at 6%; with 50% employer match about $112,094 at 4% or $74,729 at 6%; with 100% employer match about $84,070 at 4% or $56,047 at 6%.
2020113$1,398,113$129,746$9,980iApproximate average salary by contribution assumption: employee only about $249,512 at 4% or $166,341 at 6%; with 50% employer match about $166,341 at 4% or $110,894 at 6%; with 100% employer match about $124,756 at 4% or $83,171 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-13$1,398,113$129,746$9,980iApproximate average salary by contribution assumption: employee only about $249,512 at 4% or $166,341 at 6%; with 50% employer match about $166,341 at 4% or $110,894 at 6%; with 100% employer match about $124,756 at 4% or $83,171 at 6%.
2019111$1,263,860$123,712$11,247iApproximate average salary by contribution assumption: employee only about $281,164 at 4% or $187,442 at 6%; with 50% employer match about $187,442 at 4% or $124,962 at 6%; with 100% employer match about $140,582 at 4% or $93,721 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-11$1,263,860$123,712$11,247iApproximate average salary by contribution assumption: employee only about $281,164 at 4% or $187,442 at 6%; with 50% employer match about $187,442 at 4% or $124,962 at 6%; with 100% employer match about $140,582 at 4% or $93,721 at 6%.
2018113$1,190,502$72,773$5,598iApproximate average salary by contribution assumption: employee only about $139,948 at 4% or $93,299 at 6%; with 50% employer match about $93,299 at 4% or $62,199 at 6%; with 100% employer match about $69,974 at 4% or $46,649 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-13$1,190,502$72,773$5,598iApproximate average salary by contribution assumption: employee only about $139,948 at 4% or $93,299 at 6%; with 50% employer match about $93,299 at 4% or $62,199 at 6%; with 100% employer match about $69,974 at 4% or $46,649 at 6%.
2017116$1,679,041$150,241$9,390iApproximate average salary by contribution assumption: employee only about $234,752 at 4% or $156,501 at 6%; with 50% employer match about $156,501 at 4% or $104,334 at 6%; with 100% employer match about $117,376 at 4% or $78,251 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-16$1,679,041$150,241$9,390iApproximate average salary by contribution assumption: employee only about $234,752 at 4% or $156,501 at 6%; with 50% employer match about $156,501 at 4% or $104,334 at 6%; with 100% employer match about $117,376 at 4% or $78,251 at 6%.
2016217$1,473,593$225,368$13,257iApproximate average salary by contribution assumption: employee only about $331,424 at 4% or $220,949 at 6%; with 50% employer match about $220,949 at 4% or $147,299 at 6%; with 100% employer match about $165,712 at 4% or $110,475 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-17$1,473,593$149,349$8,785iApproximate average salary by contribution assumption: employee only about $219,631 at 4% or $146,421 at 6%; with 50% employer match about $146,421 at 4% or $97,614 at 6%; with 100% employer match about $109,815 at 4% or $73,210 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-0$0$76,019-
2015215$3,830,962$450,970$30,065iApproximate average salary by contribution assumption: employee only about $751,617 at 4% or $501,078 at 6%; with 50% employer match about $501,078 at 4% or $334,052 at 6%; with 100% employer match about $375,808 at 4% or $250,539 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-12$2,509,409$297,000$24,750iApproximate average salary by contribution assumption: employee only about $618,750 at 4% or $412,500 at 6%; with 50% employer match about $412,500 at 4% or $275,000 at 6%; with 100% employer match about $309,375 at 4% or $206,250 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-15$1,321,553$153,970$10,265iApproximate average salary by contribution assumption: employee only about $256,617 at 4% or $171,078 at 6%; with 50% employer match about $171,078 at 4% or $114,052 at 6%; with 100% employer match about $128,308 at 4% or $85,539 at 6%.
2014215$3,468,555$450,769$30,051iApproximate average salary by contribution assumption: employee only about $751,282 at 4% or $500,854 at 6%; with 50% employer match about $500,854 at 4% or $333,903 at 6%; with 100% employer match about $375,641 at 4% or $250,427 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-13$2,207,162$300,000$23,077iApproximate average salary by contribution assumption: employee only about $576,923 at 4% or $384,615 at 6%; with 50% employer match about $384,615 at 4% or $256,410 at 6%; with 100% employer match about $288,462 at 4% or $192,308 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-15$1,261,393$150,769$10,051iApproximate average salary by contribution assumption: employee only about $251,282 at 4% or $167,521 at 6%; with 50% employer match about $167,521 at 4% or $111,681 at 6%; with 100% employer match about $125,641 at 4% or $83,761 at 6%.
2013215$3,029,039$186,968$12,465iApproximate average salary by contribution assumption: employee only about $311,613 at 4% or $207,742 at 6%; with 50% employer match about $207,742 at 4% or $138,495 at 6%; with 100% employer match about $155,807 at 4% or $103,871 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-13$1,899,351$25,000$1,923iApproximate average salary by contribution assumption: employee only about $48,077 at 4% or $32,051 at 6%; with 50% employer match about $32,051 at 4% or $21,368 at 6%; with 100% employer match about $24,038 at 4% or $16,026 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-15$1,129,688$161,968$10,798iApproximate average salary by contribution assumption: employee only about $269,947 at 4% or $179,964 at 6%; with 50% employer match about $179,964 at 4% or $119,976 at 6%; with 100% employer match about $134,973 at 4% or $89,982 at 6%.
2012217$2,850,808$585,294$34,429iApproximate average salary by contribution assumption: employee only about $860,726 at 4% or $573,818 at 6%; with 50% employer match about $573,818 at 4% or $382,545 at 6%; with 100% employer match about $430,363 at 4% or $286,909 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-13$1,869,346$420,000$32,308iApproximate average salary by contribution assumption: employee only about $807,692 at 4% or $538,462 at 6%; with 50% employer match about $538,462 at 4% or $358,974 at 6%; with 100% employer match about $403,846 at 4% or $269,231 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-17$981,462$165,294$9,723iApproximate average salary by contribution assumption: employee only about $243,079 at 4% or $162,053 at 6%; with 50% employer match about $162,053 at 4% or $108,035 at 6%; with 100% employer match about $121,540 at 4% or $81,026 at 6%.
2011217$2,380,545$488,842$28,755iApproximate average salary by contribution assumption: employee only about $718,885 at 4% or $479,257 at 6%; with 50% employer match about $479,257 at 4% or $319,505 at 6%; with 100% employer match about $359,443 at 4% or $239,628 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-14$1,438,481$295,223$21,087iApproximate average salary by contribution assumption: employee only about $527,184 at 4% or $351,456 at 6%; with 50% employer match about $351,456 at 4% or $234,304 at 6%; with 100% employer match about $263,592 at 4% or $175,728 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-17$942,064$193,619$11,389iApproximate average salary by contribution assumption: employee only about $284,734 at 4% or $189,823 at 6%; with 50% employer match about $189,823 at 4% or $126,548 at 6%; with 100% employer match about $142,367 at 4% or $94,911 at 6%.
2010215$1,914,544$448,186$29,879iApproximate average salary by contribution assumption: employee only about $746,977 at 4% or $497,984 at 6%; with 50% employer match about $497,984 at 4% or $331,990 at 6%; with 100% employer match about $373,488 at 4% or $248,992 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-12$1,136,649$257,912$21,493iApproximate average salary by contribution assumption: employee only about $537,317 at 4% or $358,211 at 6%; with 50% employer match about $358,211 at 4% or $238,807 at 6%; with 100% employer match about $268,658 at 4% or $179,106 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-15$777,895$190,274$12,685iApproximate average salary by contribution assumption: employee only about $317,123 at 4% or $211,416 at 6%; with 50% employer match about $211,416 at 4% or $140,944 at 6%; with 100% employer match about $158,562 at 4% or $105,708 at 6%.
2009216$1,491,259$451,607$28,225iApproximate average salary by contribution assumption: employee only about $705,636 at 4% or $470,424 at 6%; with 50% employer match about $470,424 at 4% or $313,616 at 6%; with 100% employer match about $352,818 at 4% or $235,212 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-12$864,122$281,064$23,422iApproximate average salary by contribution assumption: employee only about $585,550 at 4% or $390,367 at 6%; with 50% employer match about $390,367 at 4% or $260,244 at 6%; with 100% employer match about $292,775 at 4% or $195,183 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-16$627,137$170,543$10,659iApproximate average salary by contribution assumption: employee only about $266,473 at 4% or $177,649 at 6%; with 50% employer match about $177,649 at 4% or $118,433 at 6%; with 100% employer match about $133,237 at 4% or $88,824 at 6%.
2008215$1,006,194$394,586$26,306iApproximate average salary by contribution assumption: employee only about $657,643 at 4% or $438,429 at 6%; with 50% employer match about $438,429 at 4% or $292,286 at 6%; with 100% employer match about $328,822 at 4% or $219,214 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-12$582,106$225,968$18,831iApproximate average salary by contribution assumption: employee only about $470,767 at 4% or $313,844 at 6%; with 50% employer match about $313,844 at 4% or $209,230 at 6%; with 100% employer match about $235,383 at 4% or $156,922 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-15$424,088$168,618$11,241iApproximate average salary by contribution assumption: employee only about $281,030 at 4% or $187,353 at 6%; with 50% employer match about $187,353 at 4% or $124,902 at 6%; with 100% employer match about $140,515 at 4% or $93,677 at 6%.
2007215$634,836$348,651$23,243iApproximate average salary by contribution assumption: employee only about $581,085 at 4% or $387,390 at 6%; with 50% employer match about $387,390 at 4% or $258,260 at 6%; with 100% employer match about $290,543 at 4% or $193,695 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-12$349,244$181,000$15,083iApproximate average salary by contribution assumption: employee only about $377,083 at 4% or $251,389 at 6%; with 50% employer match about $251,389 at 4% or $167,593 at 6%; with 100% employer match about $188,542 at 4% or $125,694 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-15$285,592$167,651$11,177iApproximate average salary by contribution assumption: employee only about $279,418 at 4% or $186,279 at 6%; with 50% employer match about $186,279 at 4% or $124,186 at 6%; with 100% employer match about $139,709 at 4% or $93,139 at 6%.
2006216$272,623$272,575$17,036iApproximate average salary by contribution assumption: employee only about $425,898 at 4% or $283,932 at 6%; with 50% employer match about $283,932 at 4% or $189,288 at 6%; with 100% employer match about $212,949 at 4% or $141,966 at 6%.
Cash Balance Pension Plan and Trust of Clamshell Structures Inc.-12$162,000$162,000$13,500iApproximate average salary by contribution assumption: employee only about $337,500 at 4% or $225,000 at 6%; with 50% employer match about $225,000 at 4% or $150,000 at 6%; with 100% employer match about $168,750 at 4% or $112,500 at 6%.
Amended and Restated Profit-Sharing/401(K) Plan and Trust of Clamshell Structures Inc.-16$110,623$110,575$6,911iApproximate average salary by contribution assumption: employee only about $172,773 at 4% or $115,182 at 6%; with 50% employer match about $115,182 at 4% or $76,788 at 6%; with 100% employer match about $86,387 at 4% or $57,591 at 6%.