---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-125363"
form_type: "8-K"
ticker: "IBM"
cik: "0000051143"
company_name: "INTERNATIONAL BUSINESS MACHINES CORP"
filed_at: "2023-12-12T23:59:59+00:00"
generated_at: "2026-06-07T14:27:41.288218+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# IBM elects Marianne C. Brown to its board of directors effective Dec 12, 2023

## Summary
- Marianne C. Brown appointed to IBM Board, effective December 12, 2023.
- Brown is former COO of FIS's Global Financial Solutions, with expertise in digital transformation and cybersecurity.
- She joined the Directors and Corporate Governance Committee.
- Bylaws amended to increase board size to fourteen directors.
- Brown also serves on boards of Akamai, Charles Schwab, and Northrop Grumman.

## SEC filing metadata
- accession: 0001104659-23-125363
- form_type: 8-K
- ticker: IBM
- cik: 0000051143
- company_name: INTERNATIONAL BUSINESS MACHINES CORP
- filed_at: 2023-12-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/51143/000110465923125363/0001104659-23-125363-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/51143/000110465923125363/tm2332699d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-125363
- JSON: https://secwatch.observer/filing/0001104659-23-125363.json
- Plain text: https://secwatch.observer/filing/0001104659-23-125363.txt

## Key facts
- Executive change
  Marianne C. Brown was elected as Director at INTERNATIONAL BUSINESS MACHINES CORP.
  - Action: elected
  - Role: Director
  source text: On December 12, 2023, IBM announced that Marianne C. Brown, the former Chief Operating Officer of Fidelity National Information Services, Inc.’s (FIS) Global Financial Solutions, has been elected to the IBM Board of Directors, effective December 12, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/51143/000110465923125363/0001104659-23-125363-index.htm
- Governance Changes
  INTERNATIONAL BUSINESS MACHINES CORP: Article III, Section 2 of IBM's By-laws was amended to increase the number of directors to fourteen, effective December 12, 2023, in connection with the election of Marianne C. Brown to the board (effective 2023-12-12).
  - Change: bylaw amendment
  - Effective: 2023-12-12
  source text: Item 5.03(a) Amendment to Bylaws. In connection with the election of Marianne C. Brown to the IBM Board of Directors, effective December 12, 2023, Article III, Section 2 of IBM’s By-laws was amended to increase the number of directors to fourteen, effective December 12, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/51143/000110465923125363/0001104659-23-125363-index.htm

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