---
schema_version: "secwatch.filing_event.v1"
accession: "0001505155-23-000059"
form_type: "8-K"
ticker: "UPLD"
cik: "0001505155"
company_name: "Upland Software, Inc."
filed_at: "2023-12-08T23:59:59+00:00"
generated_at: "2026-06-07T15:32:57.601140+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Upland Software director resignation, new director, and COO departure

## Summary
- Director Joe Ross resigns effective Jan 1, 2024; Tim Mattox appointed as Class II director.
- Tim Mattox (former President/COO) returns to board; not independent; served as strategic advisor since 2021.
- David May replaces Ross on the Nominating and Corporate Governance Committee.
- COO Paul Miller resigns effective Jan 31, 2024 to pursue other opportunities; no disagreement.

## SEC filing metadata
- accession: 0001505155-23-000059
- form_type: 8-K
- ticker: UPLD
- cik: 0001505155
- company_name: Upland Software, Inc.
- filed_at: 2023-12-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/upld-20231205.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001505155-23-000059
- JSON: https://secwatch.observer/filing/0001505155-23-000059.json
- Plain text: https://secwatch.observer/filing/0001505155-23-000059.txt

## Key facts
- Executive change
  Paul Miller resigned as Chief Operating Officer at Upland Software, Inc..
  - Action: resigned
  - Role: Chief Operating Officer
  source text: On December 7, 2023, Chief Operating Officer Paul Miller notified the Company of his resignation effective January 31, 2024 to pursue other opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm
- Executive change
  Joe Ross resigned as Director at Upland Software, Inc..
  - Action: resigned
  - Role: Director
  source text: On December 5, 2023, director Joe Ross notified the Company of his resignation as a member of the Board, effective January 1, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm
- Executive change
  Tim Mattox was appointed as Director at Upland Software, Inc..
  - Action: appointed
  - Role: Director
  source text: On December 5, 2023, the Board appointed Tim Mattox to the Board as a Class II director, effective January 1, 2024, to fill the vacancy created by Mr. Ross’ resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1505155/000150515523000059/0001505155-23-000059-index.htm

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