# NORTHERN TRUST CORP — DEFA14A

NORTHERN TRUST CORP of CHICAGO, IL filed a DEFA14A with the SEC on 2026-03-11. Industry: State Commercial Banks.

## Filing

- Filed: 2026-03-11
- Form: DEFA14A
- Accession: 0000073124-26-000023
- Registrant: NORTHERN TRUST CORP
- CIK: 0000073124
- Industry (SIC): State Commercial Banks (6022)
- State of incorporation: DE
- Location: CHICAGO, IL

## Documents (4)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |
| 2 | GRAPHIC | a2026defa14a001.jpg |
| 3 | GRAPHIC | a2026defa14a002.jpg |
| 4 | GRAPHIC | a2026defa14a003.jpg |

## Filing timeline for this registrant (58)

_Showing 12 of 58 filings._

| Filed | Form |
| --- | --- |
| 2026-03-11 | DEFA14A |
| [2026-03-11](https://search.stillhousedata.com/proxy/0000073124-26-000022) | DEF 14A |
| [2025-03-12](https://search.stillhousedata.com/proxy/0001193125-25-053044) | DEFA14A |
| [2025-03-12](https://search.stillhousedata.com/proxy/0001193125-25-053039) | DEF 14A |
| [2024-03-06](https://search.stillhousedata.com/proxy/0001193125-24-060823) | DEFA14A |
| [2024-03-06](https://search.stillhousedata.com/proxy/0001193125-24-060814) | DEF 14A |
| [2023-03-16](https://search.stillhousedata.com/proxy/0001193125-23-072583) | DEFA14A |
| [2023-03-16](https://search.stillhousedata.com/proxy/0001193125-23-072579) | DEF 14A |
| [2022-03-17](https://search.stillhousedata.com/proxy/0001193125-22-077806) | DEFA14A |
| [2022-03-17](https://search.stillhousedata.com/proxy/0001193125-22-077803) | DEF 14A |
| [2021-03-09](https://search.stillhousedata.com/proxy/0001193125-21-075028) | DEFA14A |
| [2021-03-09](https://search.stillhousedata.com/proxy/0001193125-21-075017) | DEF 14A |

## More

- [CIK 73124 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=73124&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000073124-26-000023.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.