# Union Pacific Corporation

> American railroad company

**Wikidata**: [Q20183163](https://www.wikidata.org/wiki/Q20183163)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Union_Pacific_Corporation)  
**Source**: https://4ort.xyz/entity/union-pacific-corporation


## References

1. Global LEI Index
2. Virtual International Authority File
3. [Source](https://www.ishares.com/us/products/239723/ishares-sp-100-etf)
4. 20th Century Press Archives
5. [Form 10-K. 2010](https://www.sec.gov/Archives/edgar/data/0000100885/000119312510023294/d10k.htm)
6. [Form 10-K. 2011](https://www.sec.gov/Archives/edgar/data/0000100885/000119312511024531/d10k.htm)
7. [Form 10-K. 2012](https://www.sec.gov/Archives/edgar/data/0000100885/000119312512038569/d288752d10k.htm)
8. [Form 10-K. 2013](https://www.sec.gov/Archives/edgar/data/0000100885/000119312513045658/d477110d10k.htm)
9. [Form 10-K. 2014](https://www.sec.gov/Archives/edgar/data/0000100885/000119312514040752/d668613d10k.htm)
10. [Form 10-K. 2015](https://www.sec.gov/Archives/edgar/data/0000100885/000119312515037518/d865355d10k.htm)
11. [Form 10-K. 2016](https://www.sec.gov/Archives/edgar/data/0000100885/000010088516000260/unp-20151231x10k.htm)
12. [Form 10-K. 2017](https://www.sec.gov/Archives/edgar/data/0000100885/000010088517000056/unp-20161231x10k.htm)
13. [Form 10-K. 2018](https://www.sec.gov/Archives/edgar/data/0000100885/000010088518000048/unp-20171231x10k.htm)
14. [Form 10-K. 2019](https://www.sec.gov/Archives/edgar/data/0000100885/000010088519000060/unp-20181231x10k.htm)
15. [Form 10-K. 2020](https://www.sec.gov/Archives/edgar/data/0000100885/000010088520000065/unp-20191231x10k.htm)
16. [Form 10-K. 2021](https://www.sec.gov/Archives/edgar/data/0000100885/000010088521000068/unp-20201231x10k.htm)
17. [Form 10-K. 2022](https://www.sec.gov/Archives/edgar/data/0000100885/000143774922002494/unp20211231_10k.htm)
18. [Form 10-K. 2023](https://www.sec.gov/Archives/edgar/data/0000100885/000143774923002959/unp20221231_10k.htm)
19. Via P227 lookup with GND value from PM20 folder. 20th Century Press Archives
20. ROR release v1.51
21. Wikirate