---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-090347"
form_type: "8-K"
ticker: "MSTR"
cik: "0001050446"
company_name: "Strategy Inc"
filed_at: "2023-04-04T23:59:59+00:00"
generated_at: "2026-06-17T06:14:59.647251+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# CTO Timothy E. Lang to retire April 14; CEO Phong Le to assume tech leadership

## Summary
- Timothy E. Lang, CTO, will retire effective April 14, 2023.
- Lang will serve as non-executive advisor from April 14 until June 30, 2023.
- Lang retains same base salary and benefits during the transition period.
- CEO Phong Le will assume responsibilities as head of technology organization.

## SEC filing metadata
- accession: 0001193125-23-090347
- form_type: 8-K
- ticker: MSTR
- cik: 0001050446
- company_name: Strategy Inc
- filed_at: 2023-04-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1050446/000119312523090347/0001193125-23-090347-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1050446/000119312523090347/d471178d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-090347
- JSON: https://secwatch.observer/filing/0001193125-23-090347.json
- Plain text: https://secwatch.observer/filing/0001193125-23-090347.txt

## Key facts
- Executive change
  Timothy E. Lang departed as Senior Executive Vice President & Chief Technology Officer at Strategy Inc.
  - Action: retire
  - Role: Senior Executive Vice President & Chief Technology Officer
  source text: On March 30, 2023, Timothy E. Lang, Senior Executive Vice President & Chief Technology Officer (“CTO”) and a named executive officer of MicroStrategy Incorporated (the “Company”), informed the Company of his intention to retire from his position as CTO on April 14, 2023 (the “Retirement Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1050446/000119312523090347/0001193125-23-090347-index.htm

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