Civic Intelligence

Tetraphase Pharmaceuticals Inc.

Plan context: Tetraphase Pharmaceuticals Inc. 401K Plan

EIN 20-5276217 • Waltham, MA • 16 filings • 4 plans

201 Jones RoadSuite 400Waltham, MA 02451
Current Snapshot

Latest Year

2021

2021 Participants

31

2021 Assets

$8,937,103

2021 Contributions

$38,497

Historical Graphs

Total Assets Over Time

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

$10,586,783$5,293,392$0200720142020YearValue
$8,937,103Latest year 2020

Participants Over Time

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

115580200720142020YearValue
31Latest year 2020

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
202110$0$38,497-
Tetraphase Pharmaceuticals Inc. 401K Plan-0-$38,497-
2020131$8,937,103$1,203,786$38,832iApproximate average salary by contribution assumption: employee only about $970,795 at 4% or $647,197 at 6%; with 50% employer match about $647,197 at 4% or $431,465 at 6%; with 100% employer match about $485,398 at 4% or $323,598 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-31$8,937,103$1,203,786$38,832iApproximate average salary by contribution assumption: employee only about $970,795 at 4% or $647,197 at 6%; with 50% employer match about $647,197 at 4% or $431,465 at 6%; with 100% employer match about $485,398 at 4% or $323,598 at 6%.
2019178$10,586,783$2,217,450$28,429iApproximate average salary by contribution assumption: employee only about $710,721 at 4% or $473,814 at 6%; with 50% employer match about $473,814 at 4% or $315,876 at 6%; with 100% employer match about $355,361 at 4% or $236,907 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-78$10,586,783$2,217,450$28,429iApproximate average salary by contribution assumption: employee only about $710,721 at 4% or $473,814 at 6%; with 50% employer match about $473,814 at 4% or $315,876 at 6%; with 100% employer match about $355,361 at 4% or $236,907 at 6%.
20182115$9,310,586$2,898,625$25,205iApproximate average salary by contribution assumption: employee only about $630,136 at 4% or $420,091 at 6%; with 50% employer match about $420,091 at 4% or $280,060 at 6%; with 100% employer match about $315,068 at 4% or $210,045 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-115$9,310,586$2,898,625$25,205iApproximate average salary by contribution assumption: employee only about $630,136 at 4% or $420,091 at 6%; with 50% employer match about $420,091 at 4% or $280,060 at 6%; with 100% employer match about $315,068 at 4% or $210,045 at 6%.
TETRAPHASE PHARMACEUTICALS, INC. HEALTH AND WELFARE PLAN-88---
2017176$7,689,688$1,361,301$17,912iApproximate average salary by contribution assumption: employee only about $447,796 at 4% or $298,531 at 6%; with 50% employer match about $298,531 at 4% or $199,021 at 6%; with 100% employer match about $223,898 at 4% or $149,265 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-76$7,689,688$1,361,301$17,912iApproximate average salary by contribution assumption: employee only about $447,796 at 4% or $298,531 at 6%; with 50% employer match about $298,531 at 4% or $199,021 at 6%; with 100% employer match about $223,898 at 4% or $149,265 at 6%.
2016167$5,462,357$1,488,584$22,218iApproximate average salary by contribution assumption: employee only about $555,442 at 4% or $370,295 at 6%; with 50% employer match about $370,295 at 4% or $246,863 at 6%; with 100% employer match about $277,721 at 4% or $185,147 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-67$5,462,357$1,488,584$22,218iApproximate average salary by contribution assumption: employee only about $555,442 at 4% or $370,295 at 6%; with 50% employer match about $370,295 at 4% or $246,863 at 6%; with 100% employer match about $277,721 at 4% or $185,147 at 6%.
2015174$4,165,097$1,064,123$14,380iApproximate average salary by contribution assumption: employee only about $359,501 at 4% or $239,667 at 6%; with 50% employer match about $239,667 at 4% or $159,778 at 6%; with 100% employer match about $179,751 at 4% or $119,834 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-74$4,165,097$1,064,123$14,380iApproximate average salary by contribution assumption: employee only about $359,501 at 4% or $239,667 at 6%; with 50% employer match about $239,667 at 4% or $159,778 at 6%; with 100% employer match about $179,751 at 4% or $119,834 at 6%.
2014153$3,599,884$666,945$12,584iApproximate average salary by contribution assumption: employee only about $314,597 at 4% or $209,731 at 6%; with 50% employer match about $209,731 at 4% or $139,821 at 6%; with 100% employer match about $157,298 at 4% or $104,866 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-53$3,599,884$666,945$12,584iApproximate average salary by contribution assumption: employee only about $314,597 at 4% or $209,731 at 6%; with 50% employer match about $209,731 at 4% or $139,821 at 6%; with 100% employer match about $157,298 at 4% or $104,866 at 6%.
2013130$2,731,850$362,162$12,072iApproximate average salary by contribution assumption: employee only about $301,802 at 4% or $201,201 at 6%; with 50% employer match about $201,201 at 4% or $134,134 at 6%; with 100% employer match about $150,901 at 4% or $100,601 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-30$2,731,850$362,162$12,072iApproximate average salary by contribution assumption: employee only about $301,802 at 4% or $201,201 at 6%; with 50% employer match about $201,201 at 4% or $134,134 at 6%; with 100% employer match about $150,901 at 4% or $100,601 at 6%.
2012124$1,863,616$311,559$12,982iApproximate average salary by contribution assumption: employee only about $324,541 at 4% or $216,360 at 6%; with 50% employer match about $216,360 at 4% or $144,240 at 6%; with 100% employer match about $162,270 at 4% or $108,180 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-24$1,863,616$311,559$12,982iApproximate average salary by contribution assumption: employee only about $324,541 at 4% or $216,360 at 6%; with 50% employer match about $216,360 at 4% or $144,240 at 6%; with 100% employer match about $162,270 at 4% or $108,180 at 6%.
2011124$1,528,976$280,427$11,684iApproximate average salary by contribution assumption: employee only about $292,111 at 4% or $194,741 at 6%; with 50% employer match about $194,741 at 4% or $129,827 at 6%; with 100% employer match about $146,056 at 4% or $97,370 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-24$1,528,976$280,427$11,684iApproximate average salary by contribution assumption: employee only about $292,111 at 4% or $194,741 at 6%; with 50% employer match about $194,741 at 4% or $129,827 at 6%; with 100% employer match about $146,056 at 4% or $97,370 at 6%.
2010122$1,279,380$273,355$12,425iApproximate average salary by contribution assumption: employee only about $310,631 at 4% or $207,087 at 6%; with 50% employer match about $207,087 at 4% or $138,058 at 6%; with 100% employer match about $155,315 at 4% or $103,544 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-22$1,279,380$273,355$12,425iApproximate average salary by contribution assumption: employee only about $310,631 at 4% or $207,087 at 6%; with 50% employer match about $207,087 at 4% or $138,058 at 6%; with 100% employer match about $155,315 at 4% or $103,544 at 6%.
2009127$836,772$334,226$12,379iApproximate average salary by contribution assumption: employee only about $309,469 at 4% or $206,312 at 6%; with 50% employer match about $206,312 at 4% or $137,542 at 6%; with 100% employer match about $154,734 at 4% or $103,156 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-27$836,772$334,226$12,379iApproximate average salary by contribution assumption: employee only about $309,469 at 4% or $206,312 at 6%; with 50% employer match about $206,312 at 4% or $137,542 at 6%; with 100% employer match about $154,734 at 4% or $103,156 at 6%.
2008124$383,366$223,750$9,323iApproximate average salary by contribution assumption: employee only about $233,073 at 4% or $155,382 at 6%; with 50% employer match about $155,382 at 4% or $103,588 at 6%; with 100% employer match about $116,536 at 4% or $77,691 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-24$383,366$223,750$9,323iApproximate average salary by contribution assumption: employee only about $233,073 at 4% or $155,382 at 6%; with 50% employer match about $155,382 at 4% or $103,588 at 6%; with 100% employer match about $116,536 at 4% or $77,691 at 6%.
2007115$335,162$341,627$22,775iApproximate average salary by contribution assumption: employee only about $569,378 at 4% or $379,586 at 6%; with 50% employer match about $379,586 at 4% or $253,057 at 6%; with 100% employer match about $284,689 at 4% or $189,793 at 6%.
Tetraphase Pharmaceuticals Inc. 401K Plan-15$335,162$341,627$22,775iApproximate average salary by contribution assumption: employee only about $569,378 at 4% or $379,586 at 6%; with 50% employer match about $379,586 at 4% or $253,057 at 6%; with 100% employer match about $284,689 at 4% or $189,793 at 6%.