---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-24-046288"
form_type: "8-K"
ticker: "TYG"
cik: "0001268533"
company_name: "TORTOISE ENERGY INFRASTRUCTURE CORP"
filed_at: "2024-11-13T23:59:59+00:00"
generated_at: "2026-05-30T00:49:40.052031+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Tortoise funds appoint Tom Florence Chairman; drop Maryland Control Share acquisition after court loss

## Summary
- Tom Florence appointed Chairman of TYG and TEAF effective Jan 1, 2025, succeeding retiring H. Kevin Birzer.
- Florence is CEO of Tortoise Capital Advisors; previously MD at Hamilton Lane.
- Court ruled fund boards' MCSAA elections violated Section 18(i); Second Circuit affirmed.
- TYG, NTG, TTP, TPZ will not enforce MCSAA election at special shareholder meetings.
- TPZ was not a defendant but board joined decision not to enforce.

## SEC filing metadata
- accession: 0001140361-24-046288
- form_type: 8-K
- ticker: TYG
- cik: 0001268533
- company_name: TORTOISE ENERGY INFRASTRUCTURE CORP
- filed_at: 2024-11-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1268533/000114036124046288/0001140361-24-046288-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1268533/000114036124046288/ef20038545_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-24-046288
- JSON: https://secwatch.observer/filing/0001140361-24-046288.json
- Plain text: https://secwatch.observer/filing/0001140361-24-046288.txt

## Key facts
- Executive change
  H. Kevin Birzer retired as Chairman of the Board at TORTOISE ENERGY INFRASTRUCTURE CORP.
  - Action: retired
  - Role: Chairman of the Board
  source text: This appointment was made in connection with the retirement of Mr. Birzer from the Board of Directors of TYG and TEAF effective at the close of business on December 31, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1268533/000114036124046288/0001140361-24-046288-index.htm
- Executive change
  Tom Florence was appointed as Chairman of the Board at TORTOISE ENERGY INFRASTRUCTURE CORP.
  - Action: appointed
  - Role: Chairman of the Board
  source text: the Board of Directors of Tortoise Energy Infrastructure Corporation (“ TYG ”) and Tortoise Sustainable and Social Impact Term Fund (“ TEAF ”) appointed Tom Florence to succeed H. Kevin Birzer as Chairman of the Board of these two funds, effective as of January 1, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1268533/000114036124046288/0001140361-24-046288-index.htm

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