# VANGUARD INDEX FUNDS — 425

VANGUARD INDEX FUNDS of VALLEY FORGE, PA filed a 425 with the SEC on 2020-10-30.

## Filing

- Filed: 2020-10-30
- Form: 425
- Accession: 0001683863-20-014290
- Registrant: VANGUARD INDEX FUNDS
- CIK: 0000036405
- State of incorporation: DE
- Location: VALLEY FORGE, PA

## Documents (4)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | 425 | VANGUARD INDEX FUNDS 425 102020 |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (5)

| Filed | Form |
| --- | --- |
| 2020-10-30 | 425 |
| [2020-09-17](https://search.stillhousedata.com/proxy/0001683863-20-013271) | 425 |
| [2020-07-29](https://search.stillhousedata.com/proxy/0001683863-20-012221) | 425 |
| [2001-03-06](https://search.stillhousedata.com/proxy/0000932471-01-000409) | DEF 14A |
| [2001-02-05](https://search.stillhousedata.com/proxy/0000932471-01-000085) | PRES14A |

## Co-filers (1)

- VANGUARD MALVERN FUNDS

## More

- [CIK 36405 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=36405&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001683863-20-014290.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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