Civic Intelligence

Sutro Biopharma Inc.

Plan context: Sutro Biopharma Inc. Retirement Trust

EIN 47-0926186 • S. San Francisco, CA • 26 filings • 3 plans

310 Utah Avenue, Suite 150S. San Francisco, CA 94080
Current Snapshot

Latest Year

2024

2024 Participants

340

2024 Assets

$43,901,389

2024 Contributions

$8,986,909

Historical Graphs

Total Assets Over Time

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

$43,901,389$21,950,695$0200820162024YearValue
$43,901,389Latest year 2024

Participants Over Time

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

3401700200820162024YearValue
340Latest 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
20242340$43,901,389$8,986,909$26,432iApproximate average salary by contribution assumption: employee only about $660,802 at 4% or $440,535 at 6%; with 50% employer match about $440,535 at 4% or $293,690 at 6%; with 100% employer match about $330,401 at 4% or $220,267 at 6%.
Sutro Biopharma Inc. Retirement Trust-340$43,901,389$8,986,909$26,432iApproximate average salary by contribution assumption: employee only about $660,802 at 4% or $440,535 at 6%; with 50% employer match about $440,535 at 4% or $293,690 at 6%; with 100% employer match about $330,401 at 4% or $220,267 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-312---
20232324$31,471,842$7,802,930$24,083iApproximate average salary by contribution assumption: employee only about $602,078 at 4% or $401,385 at 6%; with 50% employer match about $401,385 at 4% or $267,590 at 6%; with 100% employer match about $301,039 at 4% or $200,693 at 6%.
Sutro Biopharma Inc. Retirement Trust-324$31,471,842$7,802,930$24,083iApproximate average salary by contribution assumption: employee only about $602,078 at 4% or $401,385 at 6%; with 50% employer match about $401,385 at 4% or $267,590 at 6%; with 100% employer match about $301,039 at 4% or $200,693 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-276---
20222288$20,611,880$4,672,451$16,224iApproximate average salary by contribution assumption: employee only about $405,595 at 4% or $270,396 at 6%; with 50% employer match about $270,396 at 4% or $180,264 at 6%; with 100% employer match about $202,797 at 4% or $135,198 at 6%.
Sutro Biopharma Inc. Retirement Trust-288$20,611,880$4,672,451$16,224iApproximate average salary by contribution assumption: employee only about $405,595 at 4% or $270,396 at 6%; with 50% employer match about $270,396 at 4% or $180,264 at 6%; with 100% employer match about $202,797 at 4% or $135,198 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-280---
20212235$21,456,938$4,392,245$18,690iApproximate average salary by contribution assumption: employee only about $467,260 at 4% or $311,507 at 6%; with 50% employer match about $311,507 at 4% or $207,671 at 6%; with 100% employer match about $233,630 at 4% or $155,753 at 6%.
Sutro Biopharma Inc. Retirement Trust-235$21,456,938$4,392,245$18,690iApproximate average salary by contribution assumption: employee only about $467,260 at 4% or $311,507 at 6%; with 50% employer match about $311,507 at 4% or $207,671 at 6%; with 100% employer match about $233,630 at 4% or $155,753 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-195---
20202199$15,024,285$2,421,050$12,166iApproximate average salary by contribution assumption: employee only about $304,152 at 4% or $202,768 at 6%; with 50% employer match about $202,768 at 4% or $135,179 at 6%; with 100% employer match about $152,076 at 4% or $101,384 at 6%.
Sutro Biopharma Inc. Retirement Trust-199$15,024,285$2,421,050$12,166iApproximate average salary by contribution assumption: employee only about $304,152 at 4% or $202,768 at 6%; with 50% employer match about $202,768 at 4% or $135,179 at 6%; with 100% employer match about $152,076 at 4% or $101,384 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-192---
20192175$11,944,621$2,226,161$12,721iApproximate average salary by contribution assumption: employee only about $318,023 at 4% or $212,015 at 6%; with 50% employer match about $212,015 at 4% or $141,344 at 6%; with 100% employer match about $159,012 at 4% or $106,008 at 6%.
Sutro Biopharma Inc. Retirement Trust-175$11,944,621$2,226,161$12,721iApproximate average salary by contribution assumption: employee only about $318,023 at 4% or $212,015 at 6%; with 50% employer match about $212,015 at 4% or $141,344 at 6%; with 100% employer match about $159,012 at 4% or $106,008 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-175---
20182167$8,351,683$1,777,455$10,643iApproximate average salary by contribution assumption: employee only about $266,086 at 4% or $177,391 at 6%; with 50% employer match about $177,391 at 4% or $118,260 at 6%; with 100% employer match about $133,043 at 4% or $88,695 at 6%.
Sutro Biopharma Inc. Retirement Trust-153$8,351,683$1,777,455$11,617iApproximate average salary by contribution assumption: employee only about $290,434 at 4% or $193,623 at 6%; with 50% employer match about $193,623 at 4% or $129,082 at 6%; with 100% employer match about $145,217 at 4% or $96,811 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-167---
20172147$7,228,891$1,466,658$9,977iApproximate average salary by contribution assumption: employee only about $249,432 at 4% or $166,288 at 6%; with 50% employer match about $166,288 at 4% or $110,859 at 6%; with 100% employer match about $124,716 at 4% or $83,144 at 6%.
Sutro Biopharma Inc. Retirement Trust-147$7,228,891$1,466,658$9,977iApproximate average salary by contribution assumption: employee only about $249,432 at 4% or $166,288 at 6%; with 50% employer match about $166,288 at 4% or $110,859 at 6%; with 100% employer match about $124,716 at 4% or $83,144 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-129---
20162127$4,945,392$1,334,872$10,511iApproximate average salary by contribution assumption: employee only about $262,770 at 4% or $175,180 at 6%; with 50% employer match about $175,180 at 4% or $116,787 at 6%; with 100% employer match about $131,385 at 4% or $87,590 at 6%.
Sutro Biopharma Inc. Retirement Trust-127$4,945,392$1,334,872$10,511iApproximate average salary by contribution assumption: employee only about $262,770 at 4% or $175,180 at 6%; with 50% employer match about $175,180 at 4% or $116,787 at 6%; with 100% employer match about $131,385 at 4% or $87,590 at 6%.
Sutro Biopharma Inc. Welfare Benefits Plan-122---
20151111$4,173,044$1,356,543$12,221iApproximate average salary by contribution assumption: employee only about $305,528 at 4% or $203,685 at 6%; with 50% employer match about $203,685 at 4% or $135,790 at 6%; with 100% employer match about $152,764 at 4% or $101,843 at 6%.
Sutro Biopharma Inc. Retirement Trust-111$4,173,044$1,356,543$12,221iApproximate average salary by contribution assumption: employee only about $305,528 at 4% or $203,685 at 6%; with 50% employer match about $203,685 at 4% or $135,790 at 6%; with 100% employer match about $152,764 at 4% or $101,843 at 6%.
2014166$2,987,047$683,371$10,354iApproximate average salary by contribution assumption: employee only about $258,853 at 4% or $172,568 at 6%; with 50% employer match about $172,568 at 4% or $115,046 at 6%; with 100% employer match about $129,426 at 4% or $86,284 at 6%.
Sutro Biopharma Inc. Retirement Trust-66$2,987,047$683,371$10,354iApproximate average salary by contribution assumption: employee only about $258,853 at 4% or $172,568 at 6%; with 50% employer match about $172,568 at 4% or $115,046 at 6%; with 100% employer match about $129,426 at 4% or $86,284 at 6%.
2013157$2,231,357$625,385$10,972iApproximate average salary by contribution assumption: employee only about $274,292 at 4% or $182,861 at 6%; with 50% employer match about $182,861 at 4% or $121,907 at 6%; with 100% employer match about $137,146 at 4% or $91,431 at 6%.
Sutro Biopharma Inc. Retirement Trust-57$2,231,357$625,385$10,972iApproximate average salary by contribution assumption: employee only about $274,292 at 4% or $182,861 at 6%; with 50% employer match about $182,861 at 4% or $121,907 at 6%; with 100% employer match about $137,146 at 4% or $91,431 at 6%.
2012144$1,408,909$435,791$9,904iApproximate average salary by contribution assumption: employee only about $247,609 at 4% or $165,072 at 6%; with 50% employer match about $165,072 at 4% or $110,048 at 6%; with 100% employer match about $123,804 at 4% or $82,536 at 6%.
Sutro Biopharma Inc. Retirement Trust-44$1,408,909$435,791$9,904iApproximate average salary by contribution assumption: employee only about $247,609 at 4% or $165,072 at 6%; with 50% employer match about $165,072 at 4% or $110,048 at 6%; with 100% employer match about $123,804 at 4% or $82,536 at 6%.
2011135$976,599$543,914$15,540iApproximate average salary by contribution assumption: employee only about $388,510 at 4% or $259,007 at 6%; with 50% employer match about $259,007 at 4% or $172,671 at 6%; with 100% employer match about $194,255 at 4% or $129,503 at 6%.
Sutro Biopharma Inc. Retirement Trust-35$976,599$543,914$15,540iApproximate average salary by contribution assumption: employee only about $388,510 at 4% or $259,007 at 6%; with 50% employer match about $259,007 at 4% or $172,671 at 6%; with 100% employer match about $194,255 at 4% or $129,503 at 6%.
2010123$473,711$195,688$8,508iApproximate average salary by contribution assumption: employee only about $212,704 at 4% or $141,803 at 6%; with 50% employer match about $141,803 at 4% or $94,535 at 6%; with 100% employer match about $106,352 at 4% or $70,901 at 6%.
Sutro Biopharma Inc. Retirement Trust-23$473,711$195,688$8,508iApproximate average salary by contribution assumption: employee only about $212,704 at 4% or $141,803 at 6%; with 50% employer match about $141,803 at 4% or $94,535 at 6%; with 100% employer match about $106,352 at 4% or $70,901 at 6%.
2009113$286,519$207,208$15,939iApproximate average salary by contribution assumption: employee only about $398,477 at 4% or $265,651 at 6%; with 50% employer match about $265,651 at 4% or $177,101 at 6%; with 100% employer match about $199,238 at 4% or $132,826 at 6%.
Sutro Biopharma Inc. Retirement Trust-13$286,519$207,208$15,939iApproximate average salary by contribution assumption: employee only about $398,477 at 4% or $265,651 at 6%; with 50% employer match about $265,651 at 4% or $177,101 at 6%; with 100% employer match about $199,238 at 4% or $132,826 at 6%.
2008119$84,898$85,471$4,498iApproximate average salary by contribution assumption: employee only about $112,462 at 4% or $74,975 at 6%; with 50% employer match about $74,975 at 4% or $49,983 at 6%; with 100% employer match about $56,231 at 4% or $37,487 at 6%.
Sutro Biopharma Inc. Retirement Trust-19$84,898$85,471$4,498iApproximate average salary by contribution assumption: employee only about $112,462 at 4% or $74,975 at 6%; with 50% employer match about $74,975 at 4% or $49,983 at 6%; with 100% employer match about $56,231 at 4% or $37,487 at 6%.