Civic Intelligence

Syndax Pharmaceuticals

Plan context: Syndax Pharmaceuticals Inc. 401(K) Plan

EIN 32-0162505 • Waltham, MA • 19 filings • 4 plans

35 Gatehouse Drive3rd Floor Building DWaltham, MA 02451
Current Snapshot

Latest Year

2024

2024 Participants

268

2024 Assets

$21,789,795

2024 Contributions

$8,529,886

Historical Graphs

Total Assets Over Time

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

$21,789,795$10,894,898$0200720162024YearValue
$21,789,795Latest year 2024

Participants Over Time

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

2681340200720162024YearValue
268Latest 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
20242268$21,789,795$8,529,886$31,828iApproximate average salary by contribution assumption: employee only about $795,698 at 4% or $530,466 at 6%; with 50% employer match about $530,466 at 4% or $353,644 at 6%; with 100% employer match about $397,849 at 4% or $265,233 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-268$21,789,795$8,529,886$31,828iApproximate average salary by contribution assumption: employee only about $795,698 at 4% or $530,466 at 6%; with 50% employer match about $530,466 at 4% or $353,644 at 6%; with 100% employer match about $397,849 at 4% or $265,233 at 6%.
Syndax Pharmaceuticals Health & Welfare Benefits Plan-242---
20231202$15,125,803$5,193,560$25,711iApproximate average salary by contribution assumption: employee only about $642,767 at 4% or $428,512 at 6%; with 50% employer match about $428,512 at 4% or $285,674 at 6%; with 100% employer match about $321,384 at 4% or $214,256 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-202$15,125,803$5,193,560$25,711iApproximate average salary by contribution assumption: employee only about $642,767 at 4% or $428,512 at 6%; with 50% employer match about $428,512 at 4% or $285,674 at 6%; with 100% employer match about $321,384 at 4% or $214,256 at 6%.
20221111$8,477,541$2,111,625$19,024iApproximate average salary by contribution assumption: employee only about $475,591 at 4% or $317,061 at 6%; with 50% employer match about $317,061 at 4% or $211,374 at 6%; with 100% employer match about $237,796 at 4% or $158,530 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-111$8,477,541$2,111,625$19,024iApproximate average salary by contribution assumption: employee only about $475,591 at 4% or $317,061 at 6%; with 50% employer match about $317,061 at 4% or $211,374 at 6%; with 100% employer match about $237,796 at 4% or $158,530 at 6%.
2021177$8,315,461$1,608,967$20,896iApproximate average salary by contribution assumption: employee only about $522,392 at 4% or $348,261 at 6%; with 50% employer match about $348,261 at 4% or $232,174 at 6%; with 100% employer match about $261,196 at 4% or $174,131 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-77$8,315,461$1,608,967$20,896iApproximate average salary by contribution assumption: employee only about $522,392 at 4% or $348,261 at 6%; with 50% employer match about $348,261 at 4% or $232,174 at 6%; with 100% employer match about $261,196 at 4% or $174,131 at 6%.
2020162$6,364,972$1,412,599$22,784iApproximate average salary by contribution assumption: employee only about $569,596 at 4% or $379,731 at 6%; with 50% employer match about $379,731 at 4% or $253,154 at 6%; with 100% employer match about $284,798 at 4% or $189,865 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-62$6,364,972$1,412,599$22,784iApproximate average salary by contribution assumption: employee only about $569,596 at 4% or $379,731 at 6%; with 50% employer match about $379,731 at 4% or $253,154 at 6%; with 100% employer match about $284,798 at 4% or $189,865 at 6%.
2019154$4,356,012$1,725,423$31,952iApproximate average salary by contribution assumption: employee only about $798,807 at 4% or $532,538 at 6%; with 50% employer match about $532,538 at 4% or $355,025 at 6%; with 100% employer match about $399,403 at 4% or $266,269 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-54$4,356,012$1,725,423$31,952iApproximate average salary by contribution assumption: employee only about $798,807 at 4% or $532,538 at 6%; with 50% employer match about $532,538 at 4% or $355,025 at 6%; with 100% employer match about $399,403 at 4% or $266,269 at 6%.
2018157$2,647,541$854,527$14,992iApproximate average salary by contribution assumption: employee only about $374,793 at 4% or $249,862 at 6%; with 50% employer match about $249,862 at 4% or $166,574 at 6%; with 100% employer match about $187,396 at 4% or $124,931 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-57$2,647,541$854,527$14,992iApproximate average salary by contribution assumption: employee only about $374,793 at 4% or $249,862 at 6%; with 50% employer match about $249,862 at 4% or $166,574 at 6%; with 100% employer match about $187,396 at 4% or $124,931 at 6%.
2017155$2,006,465$696,401$12,662iApproximate average salary by contribution assumption: employee only about $316,546 at 4% or $211,031 at 6%; with 50% employer match about $211,031 at 4% or $140,687 at 6%; with 100% employer match about $158,273 at 4% or $105,515 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-55$2,006,465$696,401$12,662iApproximate average salary by contribution assumption: employee only about $316,546 at 4% or $211,031 at 6%; with 50% employer match about $211,031 at 4% or $140,687 at 6%; with 100% employer match about $158,273 at 4% or $105,515 at 6%.
2016137$1,104,885$443,215$11,979iApproximate average salary by contribution assumption: employee only about $299,470 at 4% or $199,646 at 6%; with 50% employer match about $199,646 at 4% or $133,098 at 6%; with 100% employer match about $149,735 at 4% or $99,823 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-37$1,104,885$443,215$11,979iApproximate average salary by contribution assumption: employee only about $299,470 at 4% or $199,646 at 6%; with 50% employer match about $199,646 at 4% or $133,098 at 6%; with 100% employer match about $149,735 at 4% or $99,823 at 6%.
2015120$1,136,235$225,460$11,273iApproximate average salary by contribution assumption: employee only about $281,825 at 4% or $187,883 at 6%; with 50% employer match about $187,883 at 4% or $125,256 at 6%; with 100% employer match about $140,913 at 4% or $93,942 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-20$1,136,235$225,460$11,273iApproximate average salary by contribution assumption: employee only about $281,825 at 4% or $187,883 at 6%; with 50% employer match about $187,883 at 4% or $125,256 at 6%; with 100% employer match about $140,913 at 4% or $93,942 at 6%.
2014116$1,171,555$204,816$12,801iApproximate average salary by contribution assumption: employee only about $320,025 at 4% or $213,350 at 6%; with 50% employer match about $213,350 at 4% or $142,233 at 6%; with 100% employer match about $160,013 at 4% or $106,675 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-16$1,171,555$204,816$12,801iApproximate average salary by contribution assumption: employee only about $320,025 at 4% or $213,350 at 6%; with 50% employer match about $213,350 at 4% or $142,233 at 6%; with 100% employer match about $160,013 at 4% or $106,675 at 6%.
2013111$909,816$132,950$12,086iApproximate average salary by contribution assumption: employee only about $302,159 at 4% or $201,439 at 6%; with 50% employer match about $201,439 at 4% or $134,293 at 6%; with 100% employer match about $151,080 at 4% or $100,720 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-11$909,816$132,950$12,086iApproximate average salary by contribution assumption: employee only about $302,159 at 4% or $201,439 at 6%; with 50% employer match about $201,439 at 4% or $134,293 at 6%; with 100% employer match about $151,080 at 4% or $100,720 at 6%.
2012112$775,499$160,470$13,373iApproximate average salary by contribution assumption: employee only about $334,313 at 4% or $222,875 at 6%; with 50% employer match about $222,875 at 4% or $148,583 at 6%; with 100% employer match about $167,156 at 4% or $111,438 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-12$775,499$160,470$13,373iApproximate average salary by contribution assumption: employee only about $334,313 at 4% or $222,875 at 6%; with 50% employer match about $222,875 at 4% or $148,583 at 6%; with 100% employer match about $167,156 at 4% or $111,438 at 6%.
2011114$664,349$116,625$8,330iApproximate average salary by contribution assumption: employee only about $208,259 at 4% or $138,839 at 6%; with 50% employer match about $138,839 at 4% or $92,560 at 6%; with 100% employer match about $104,129 at 4% or $69,420 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-14$664,349$116,625$8,330iApproximate average salary by contribution assumption: employee only about $208,259 at 4% or $138,839 at 6%; with 50% employer match about $138,839 at 4% or $92,560 at 6%; with 100% employer match about $104,129 at 4% or $69,420 at 6%.
2010114$616,437$203,720$14,551iApproximate average salary by contribution assumption: employee only about $363,786 at 4% or $242,524 at 6%; with 50% employer match about $242,524 at 4% or $161,683 at 6%; with 100% employer match about $181,893 at 4% or $121,262 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-14$616,437$203,720$14,551iApproximate average salary by contribution assumption: employee only about $363,786 at 4% or $242,524 at 6%; with 50% employer match about $242,524 at 4% or $161,683 at 6%; with 100% employer match about $181,893 at 4% or $121,262 at 6%.
2009113$360,806$167,933$12,918iApproximate average salary by contribution assumption: employee only about $322,948 at 4% or $215,299 at 6%; with 50% employer match about $215,299 at 4% or $143,532 at 6%; with 100% employer match about $161,474 at 4% or $107,649 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-13$360,806$167,933$12,918iApproximate average salary by contribution assumption: employee only about $322,948 at 4% or $215,299 at 6%; with 50% employer match about $215,299 at 4% or $143,532 at 6%; with 100% employer match about $161,474 at 4% or $107,649 at 6%.
2008116$136,397$113,430$7,089iApproximate average salary by contribution assumption: employee only about $177,234 at 4% or $118,156 at 6%; with 50% employer match about $118,156 at 4% or $78,771 at 6%; with 100% employer match about $88,617 at 4% or $59,078 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-16$136,397$113,430$7,089iApproximate average salary by contribution assumption: employee only about $177,234 at 4% or $118,156 at 6%; with 50% employer match about $118,156 at 4% or $78,771 at 6%; with 100% employer match about $88,617 at 4% or $59,078 at 6%.
2007111$53,725$53,725$4,884iApproximate average salary by contribution assumption: employee only about $122,102 at 4% or $81,402 at 6%; with 50% employer match about $81,402 at 4% or $54,268 at 6%; with 100% employer match about $61,051 at 4% or $40,701 at 6%.
Syndax Pharmaceuticals Inc. 401(K) Plan-11$53,725$53,725$4,884iApproximate average salary by contribution assumption: employee only about $122,102 at 4% or $81,402 at 6%; with 50% employer match about $81,402 at 4% or $54,268 at 6%; with 100% employer match about $61,051 at 4% or $40,701 at 6%.
Syndax Pharmaceuticals | EIN 32-0162505 | 2024 Form 5500 Company Profile