# ECOLOGY & ENVIRONMENT INC — DEF 14A

ECOLOGY & ENVIRONMENT INC of LANCASTER, NY filed a DEF 14A with the SEC on 1997-12-15. Industry: Services-Engineering Services.

## Filing

- Filed: 1997-12-15
- Form: DEF 14A
- Accession: 0000950152-97-008605
- Registrant: ECOLOGY & ENVIRONMENT INC
- CIK: 0000809933
- Industry (SIC): Services-Engineering Services (8711)
- State of incorporation: NY
- Location: LANCASTER, NY

## Filing timeline for this registrant (55)

_Showing 12 of 55 filings._

| Filed | Form |
| --- | --- |
| [2019-11-07](https://search.stillhousedata.com/proxy/0001140361-19-020034) | DEFA14A |
| [2019-10-08](https://search.stillhousedata.com/proxy/0001140361-19-018101) | DEFM14A |
| [2019-09-26](https://search.stillhousedata.com/proxy/0001140361-19-017257) | PREM14A |
| [2019-08-28](https://search.stillhousedata.com/proxy/0001140361-19-015698) | DEFA14A |
| [2019-08-28](https://search.stillhousedata.com/proxy/0001140361-19-015677) | DEFA14A |
| [2019-07-11](https://search.stillhousedata.com/proxy/0001387131-19-004986) | DEF 14A |
| [2018-03-20](https://search.stillhousedata.com/proxy/0001193125-18-089119) | DEF 14A |
| [2017-04-20](https://search.stillhousedata.com/proxy/0001193125-17-129227) | DEFA14A |
| [2017-04-13](https://search.stillhousedata.com/proxy/0001193125-17-123427) | DEFA14A |
| [2017-04-12](https://search.stillhousedata.com/proxy/0001193125-17-121535) | DEFA14A |
| [2017-04-12](https://search.stillhousedata.com/proxy/0001193125-17-121532) | DEFA14A |
| [2017-04-11](https://search.stillhousedata.com/proxy/0001193125-17-120083) | DEFA14A |

## More

- [CIK 809933 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=809933&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950152-97-008605.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.