# ACI WORLDWIDE, INC. — DEF 14A

ACI WORLDWIDE, INC. of ELKHORN, NE filed a DEF 14A with the SEC on 2026-04-20. Industry: Services-Prepackaged Software.

## Filing

- Filed: 2026-04-20
- Form: DEF 14A
- Accession: 0001193125-26-162572
- Registrant: ACI WORLDWIDE, INC.
- CIK: 0000935036
- Industry (SIC): Services-Prepackaged Software (7372)
- State of incorporation: DE
- Location: ELKHORN, NE

## Documents (39)

_Showing 15 of 39 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | GRAPHIC | GRAPHIC |
| 11 | GRAPHIC | GRAPHIC |
| 12 | GRAPHIC | GRAPHIC |
| 13 | GRAPHIC | GRAPHIC |
| 14 | GRAPHIC | GRAPHIC |
| 15 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-04-20](https://search.stillhousedata.com/proxy/0001193125-26-162587) | DEFA14A |
| 2026-04-20 | DEF 14A |
| [2025-04-21](https://search.stillhousedata.com/proxy/0001193125-25-086267) | DEFA14A |
| [2025-04-21](https://search.stillhousedata.com/proxy/0001193125-25-086263) | DEF 14A |
| [2024-04-22](https://search.stillhousedata.com/proxy/0001193125-24-104846) | DEFA14A |
| [2024-04-22](https://search.stillhousedata.com/proxy/0001193125-24-104829) | DEF 14A |
| [2023-04-18](https://search.stillhousedata.com/proxy/0001193125-23-104237) | DEFA14A |
| [2023-04-18](https://search.stillhousedata.com/proxy/0001193125-23-104233) | DEF 14A |
| [2022-04-18](https://search.stillhousedata.com/proxy/0001193125-22-107994) | DEFA14A |
| [2022-04-18](https://search.stillhousedata.com/proxy/0001193125-22-107987) | DEF 14A |
| [2021-04-16](https://search.stillhousedata.com/proxy/0001193125-21-118411) | DEFA14A |
| [2021-04-16](https://search.stillhousedata.com/proxy/0001193125-21-118408) | DEF 14A |

## More

- [CIK 935036 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=935036&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001193125-26-162572.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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