---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-092351"
form_type: "8-K/A"
ticker: "ACIW"
cik: "0000935036"
company_name: "ACI WORLDWIDE, INC."
filed_at: "2022-04-01T23:59:59+00:00"
generated_at: "2026-06-26T11:26:00.822253+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.05
calibrated_materiality_score: 0.05
confidence: "low"
source: SEC EDGAR
---

# ACI Worldwide files 8-K/A to correct omitted portion of bylaws exhibit

## Summary
- Refiles Exhibit 3.1 (Amended and Restated Bylaws) due to inadvertent omission.
- Original 8-K filed March 28, 2022; amendment dated March 22, 2022.
- No other changes to the prior filing; all other information unchanged.
- Correction is procedural; no substantive bylaw amendments disclosed.

## SEC filing metadata
- accession: 0001193125-22-092351
- form_type: 8-K/A
- ticker: ACIW
- cik: 0000935036
- company_name: ACI WORLDWIDE, INC.
- filed_at: 2022-04-01T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.05
- calibrated_materiality_score: 0.05
- confidence: low
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/935036/000119312522092351/0001193125-22-092351-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/935036/000119312522092351/d267551d8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-092351
- JSON: https://secwatch.observer/filing/0001193125-22-092351.json
- Plain text: https://secwatch.observer/filing/0001193125-22-092351.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.