# AAON, INC. — DEF 14A

AAON, INC. of TULSA, OK filed a DEF 14A with the SEC on 2026-04-01. Industry: Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip.

## Filing

- Filed: 2026-04-01
- Form: DEF 14A
- Accession: 0000824142-26-000011
- Registrant: AAON, INC.
- CIK: 0000824142
- Industry (SIC): Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)
- State of incorporation: NV
- Location: TULSA, OK

## Documents (35)

_Showing 15 of 35 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT |
| 3 | EX-101.DEF | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT |
| 4 | EX-101.LAB | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT |
| 5 | EX-101.PRE | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT |
| 6 | GRAPHIC | aaon-20260401\_g1.jpg |
| 7 | GRAPHIC | aaon-20260401\_g10.jpg |
| 8 | GRAPHIC | aaon-20260401\_g11.jpg |
| 9 | GRAPHIC | aaon-20260401\_g12.jpg |
| 10 | GRAPHIC | aaon-20260401\_g13.jpg |
| 11 | GRAPHIC | aaon-20260401\_g14.jpg |
| 12 | GRAPHIC | aaon-20260401\_g15.jpg |
| 13 | GRAPHIC | aaon-20260401\_g16.jpg |
| 14 | GRAPHIC | aaon-20260401\_g17.jpg |
| 15 | GRAPHIC | aaon-20260401\_g18.gif |

## Filing timeline for this registrant (46)

_Showing 12 of 46 filings._

| Filed | Form |
| --- | --- |
| 2026-04-01 | DEF 14A |
| [2026-03-20](https://search.stillhousedata.com/proxy/0000824142-26-000009) | PRE 14A |
| [2025-04-02](https://search.stillhousedata.com/proxy/0000824142-25-000110) | DEF 14A |
| [2024-04-09](https://search.stillhousedata.com/proxy/0000824142-24-000110) | DEFA14A |
| [2024-04-08](https://search.stillhousedata.com/proxy/0000824142-24-000106) | DEF 14A |
| [2024-03-27](https://search.stillhousedata.com/proxy/0000824142-24-000092) | PRE 14A |
| [2023-03-31](https://search.stillhousedata.com/proxy/0000824142-23-000084) | DEF 14A |
| [2022-03-31](https://search.stillhousedata.com/proxy/0000824142-22-000081) | DEF 14A |
| [2021-03-31](https://search.stillhousedata.com/proxy/0000824142-21-000065) | DEF 14A |
| [2020-04-29](https://search.stillhousedata.com/proxy/0000824142-20-000080) | DEFA14A |
| [2020-04-01](https://search.stillhousedata.com/proxy/0000824142-20-000065) | DEF 14A |
| [2019-04-02](https://search.stillhousedata.com/proxy/0000824142-19-000071) | DEF 14A |

## More

- [CIK 824142 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=824142&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000824142-26-000011.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.