Stack Exchange Inc.
Plan context: Prosus 401(K) Plan
EIN 27-2445468 • New York, NY • 27 filings • 7 plans
Current Snapshot
Latest Year
2024
2024 Participants
244
2024 Assets
$47,617,225
2024 Contributions
$6,708,392
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
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 / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 2 | 244 | $47,617,225 | $6,708,392 | $27,493iApproximate average salary by contribution assumption: employee only about $687,335 at 4% or $458,223 at 6%; with 50% employer match about $458,223 at 4% or $305,482 at 6%; with 100% employer match about $343,668 at 4% or $229,112 at 6%. |
| Prosus 401(K) Plan | - | 244 | $47,617,225 | $6,708,392 | $27,493iApproximate average salary by contribution assumption: employee only about $687,335 at 4% or $458,223 at 6%; with 50% employer match about $458,223 at 4% or $305,482 at 6%; with 100% employer match about $343,668 at 4% or $229,112 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 240 | - | - | - |
| 2023 | 3 | 271 | $41,093,552 | $10,960,599 | $40,445iApproximate average salary by contribution assumption: employee only about $1,011,125 at 4% or $674,084 at 6%; with 50% employer match about $674,084 at 4% or $449,389 at 6%; with 100% employer match about $505,563 at 4% or $337,042 at 6%. |
| Prosus 401(K) Plan | - | 271 | $41,093,552 | $10,960,599 | $40,445iApproximate average salary by contribution assumption: employee only about $1,011,125 at 4% or $674,084 at 6%; with 50% employer match about $674,084 at 4% or $449,389 at 6%; with 100% employer match about $505,563 at 4% or $337,042 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 264 | - | - | - |
| Stack Exchange Inc Retirement Trust | - | 0 | - | - | - |
| 2022 | 2 | 407 | $28,093,690 | $7,881,830 | $19,366iApproximate average salary by contribution assumption: employee only about $484,142 at 4% or $322,761 at 6%; with 50% employer match about $322,761 at 4% or $215,174 at 6%; with 100% employer match about $242,071 at 4% or $161,381 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 407 | $28,093,690 | $7,881,830 | $19,366iApproximate average salary by contribution assumption: employee only about $484,142 at 4% or $322,761 at 6%; with 50% employer match about $322,761 at 4% or $215,174 at 6%; with 100% employer match about $242,071 at 4% or $161,381 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 394 | - | - | - |
| 2021 | 2 | 311 | $27,244,362 | $5,711,406 | $18,365iApproximate average salary by contribution assumption: employee only about $459,116 at 4% or $306,077 at 6%; with 50% employer match about $306,077 at 4% or $204,052 at 6%; with 100% employer match about $229,558 at 4% or $153,039 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 273 | $27,244,362 | $5,711,406 | $20,921iApproximate average salary by contribution assumption: employee only about $523,023 at 4% or $348,682 at 6%; with 50% employer match about $348,682 at 4% or $232,454 at 6%; with 100% employer match about $261,511 at 4% or $174,341 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 311 | - | - | - |
| 2020 | 2 | 218 | $20,731,509 | $3,175,970 | $14,569iApproximate average salary by contribution assumption: employee only about $364,217 at 4% or $242,811 at 6%; with 50% employer match about $242,811 at 4% or $161,874 at 6%; with 100% employer match about $182,108 at 4% or $121,406 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 173 | $20,731,509 | $3,175,970 | $18,358iApproximate average salary by contribution assumption: employee only about $458,955 at 4% or $305,970 at 6%; with 50% employer match about $305,970 at 4% or $203,980 at 6%; with 100% employer match about $229,478 at 4% or $152,985 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 218 | - | - | - |
| 2019 | 2 | 195 | $16,567,306 | $3,571,032 | $18,313iApproximate average salary by contribution assumption: employee only about $457,825 at 4% or $305,216 at 6%; with 50% employer match about $305,216 at 4% or $203,478 at 6%; with 100% employer match about $228,912 at 4% or $152,608 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 195 | $16,567,306 | $3,571,032 | $18,313iApproximate average salary by contribution assumption: employee only about $457,825 at 4% or $305,216 at 6%; with 50% employer match about $305,216 at 4% or $203,478 at 6%; with 100% employer match about $228,912 at 4% or $152,608 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 187 | - | - | - |
| 2018 | 2 | 190 | $11,626,989 | $2,684,601 | $14,129iApproximate average salary by contribution assumption: employee only about $353,237 at 4% or $235,491 at 6%; with 50% employer match about $235,491 at 4% or $156,994 at 6%; with 100% employer match about $176,618 at 4% or $117,746 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 190 | $11,626,989 | $2,684,601 | $14,129iApproximate average salary by contribution assumption: employee only about $353,237 at 4% or $235,491 at 6%; with 50% employer match about $235,491 at 4% or $156,994 at 6%; with 100% employer match about $176,618 at 4% or $117,746 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 186 | - | - | - |
| 2017 | 2 | 184 | $10,727,651 | $2,859,794 | $15,542iApproximate average salary by contribution assumption: employee only about $388,559 at 4% or $259,039 at 6%; with 50% employer match about $259,039 at 4% or $172,693 at 6%; with 100% employer match about $194,279 at 4% or $129,520 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 184 | $10,727,651 | $2,859,794 | $15,542iApproximate average salary by contribution assumption: employee only about $388,559 at 4% or $259,039 at 6%; with 50% employer match about $259,039 at 4% or $172,693 at 6%; with 100% employer match about $194,279 at 4% or $129,520 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 177 | - | - | - |
| 2016 | 2 | 224 | $6,668,724 | $2,229,946 | $9,955iApproximate average salary by contribution assumption: employee only about $248,878 at 4% or $165,919 at 6%; with 50% employer match about $165,919 at 4% or $110,612 at 6%; with 100% employer match about $124,439 at 4% or $82,959 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 215 | $6,668,724 | $2,229,946 | $10,372iApproximate average salary by contribution assumption: employee only about $259,296 at 4% or $172,864 at 6%; with 50% employer match about $172,864 at 4% or $115,243 at 6%; with 100% employer match about $129,648 at 4% or $86,432 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 224 | - | - | - |
| 2015 | 2 | 189 | $4,203,318 | $1,634,173 | $8,646iApproximate average salary by contribution assumption: employee only about $216,160 at 4% or $144,107 at 6%; with 50% employer match about $144,107 at 4% or $96,071 at 6%; with 100% employer match about $108,080 at 4% or $72,053 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 181 | $4,203,318 | $1,634,173 | $9,029iApproximate average salary by contribution assumption: employee only about $225,715 at 4% or $150,476 at 6%; with 50% employer match about $150,476 at 4% or $100,318 at 6%; with 100% employer match about $112,857 at 4% or $75,238 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 189 | - | - | - |
| 2014 | 2 | 170 | $2,798,524 | $1,188,770 | $6,993iApproximate average salary by contribution assumption: employee only about $174,819 at 4% or $116,546 at 6%; with 50% employer match about $116,546 at 4% or $77,697 at 6%; with 100% employer match about $87,410 at 4% or $58,273 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 157 | $2,798,524 | $1,188,770 | $7,572iApproximate average salary by contribution assumption: employee only about $189,295 at 4% or $126,196 at 6%; with 50% employer match about $126,196 at 4% or $84,131 at 6%; with 100% employer match about $94,647 at 4% or $63,098 at 6%. |
| Stack Exchange Inc. Employee Benefits | - | 170 | - | - | - |
| 2013 | 1 | 102 | $1,877,854 | $721,054 | $7,069iApproximate average salary by contribution assumption: employee only about $176,729 at 4% or $117,819 at 6%; with 50% employer match about $117,819 at 4% or $78,546 at 6%; with 100% employer match about $88,364 at 4% or $58,910 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 102 | $1,877,854 | $721,054 | $7,069iApproximate average salary by contribution assumption: employee only about $176,729 at 4% or $117,819 at 6%; with 50% employer match about $117,819 at 4% or $78,546 at 6%; with 100% employer match about $88,364 at 4% or $58,910 at 6%. |
| 2012 | 1 | 75 | $965,798 | $501,124 | $6,682iApproximate average salary by contribution assumption: employee only about $167,041 at 4% or $111,361 at 6%; with 50% employer match about $111,361 at 4% or $74,241 at 6%; with 100% employer match about $83,521 at 4% or $55,680 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 75 | $965,798 | $501,124 | $6,682iApproximate average salary by contribution assumption: employee only about $167,041 at 4% or $111,361 at 6%; with 50% employer match about $111,361 at 4% or $74,241 at 6%; with 100% employer match about $83,521 at 4% or $55,680 at 6%. |
| 2011 | 1 | 40 | $401,194 | $303,350 | $7,584iApproximate average salary by contribution assumption: employee only about $189,594 at 4% or $126,396 at 6%; with 50% employer match about $126,396 at 4% or $84,264 at 6%; with 100% employer match about $94,797 at 4% or $63,198 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 40 | $401,194 | $303,350 | $7,584iApproximate average salary by contribution assumption: employee only about $189,594 at 4% or $126,396 at 6%; with 50% employer match about $126,396 at 4% or $84,264 at 6%; with 100% employer match about $94,797 at 4% or $63,198 at 6%. |
| 2010 | 1 | 18 | $106,605 | $98,357 | $5,464iApproximate average salary by contribution assumption: employee only about $136,607 at 4% or $91,071 at 6%; with 50% employer match about $91,071 at 4% or $60,714 at 6%; with 100% employer match about $68,303 at 4% or $45,536 at 6%. |
| Stack Exchange Inc Retirement Trust | - | 18 | $106,605 | $98,357 | $5,464iApproximate average salary by contribution assumption: employee only about $136,607 at 4% or $91,071 at 6%; with 50% employer match about $91,071 at 4% or $60,714 at 6%; with 100% employer match about $68,303 at 4% or $45,536 at 6%. |