# IONICS INC — DEF 14A

IONICS INC of WATERTOWN, MA filed a DEF 14A with the SEC on 1997-03-28. Industry: Special Industry Machinery, NEC.

## Filing

- Filed: 1997-03-28
- Form: DEF 14A
- Accession: 0000950135-97-001394
- Registrant: IONICS INC
- CIK: 0000052466
- Industry (SIC): Special Industry Machinery, NEC (3559)
- State of incorporation: MA
- Location: WATERTOWN, MA

## Filing timeline for this registrant (22)

_Showing 12 of 22 filings._

| Filed | Form |
| --- | --- |
| [2005-01-27](https://search.stillhousedata.com/proxy/0000950135-05-000296) | DEFM14A |
| [2005-01-14](https://search.stillhousedata.com/proxy/0000950135-05-000179) | PRER14A |
| [2004-12-22](https://search.stillhousedata.com/proxy/0000950135-04-005836) | PREM14A |
| [2004-11-24](https://search.stillhousedata.com/proxy/0001072613-04-002232) | PRE 14A |
| [2004-03-31](https://search.stillhousedata.com/proxy/0000950135-04-001644) | DEF 14A |
| [2004-01-15](https://search.stillhousedata.com/proxy/0001072613-04-000033) | DEFA14A |
| [2004-01-09](https://search.stillhousedata.com/proxy/0000950135-04-000059) | DEFM14A |
| [2003-12-24](https://search.stillhousedata.com/proxy/0000950135-03-006154) | PREM14A |
| [2003-11-26](https://search.stillhousedata.com/proxy/0001072613-03-001926) | DEFA14A |
| [2003-11-19](https://search.stillhousedata.com/proxy/0001072613-03-001876) | DEFA14A |
| [2003-04-09](https://search.stillhousedata.com/proxy/0000950135-03-002304) | DEFR14A |
| [2003-04-09](https://search.stillhousedata.com/proxy/0000950135-03-002302) | DEF 14A |

## More

- [CIK 52466 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=52466&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950135-97-001394.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.