---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-032549"
form_type: "8-K"
ticker: null
cik: "0000949039"
company_name: "DIAMOND OFFSHORE DRILLING, INC."
filed_at: "2023-02-10T23:59:59+00:00"
generated_at: "2026-06-19T18:58:47.964876+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Diamond Offshore proposes board declassification, amends bylaws; 2023 annual meeting May 10

## Summary
- Board approved declassification, transitioning to annual director elections by 2026; subject to stockholder vote at 2023 annual meeting.
- Bylaws updated for universal proxy rules (Rule 14a-19), requiring compliance and non-white proxy cards for dissident nominees.
- 2023 annual meeting scheduled for May 10, 2023; stockholder proposals and nominations due by February 20, 2023.
- Amendments also include technical updates to reflect recent DGCL changes on meetings and electronic notices.

## SEC filing metadata
- accession: 0001193125-23-032549
- form_type: 8-K
- cik: 0000949039
- company_name: DIAMOND OFFSHORE DRILLING, INC.
- filed_at: 2023-02-10T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.03, 5.08, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/949039/000119312523032549/0001193125-23-032549-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/949039/000119312523032549/d455714d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-032549
- JSON: https://secwatch.observer/filing/0001193125-23-032549.json
- Plain text: https://secwatch.observer/filing/0001193125-23-032549.txt

## Key facts
- Governance Changes
  DIAMOND OFFSHORE DRILLING, INC.: Amended Bylaws to address universal proxy rules, update DGCL provisions, and make technical changes (effective 2023-02-09).
  - Change: bylaw amendment
  - Effective: 2023-02-09
  source text: On February 9, 2023, the Board of Directors (the “ Board ”) of Diamond Offshore Drilling, Inc. (the “ Company ”) approved amendments (the “ Amendments ”) to the Second Amended and Restated Bylaws of the Company as set forth in the Third Amended and Restated Bylaws of the Company (the “ Amended Bylaws ”) that the Board adopted effective as of February 9, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/949039/000119312523032549/0001193125-23-032549-index.htm

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