---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-137276"
form_type: "8-K"
ticker: null
cik: "0001847112"
company_name: "TortoiseEcofin Acquisition Corp. III"
filed_at: "2024-05-13T23:59:59+00:00"
generated_at: "2026-06-02T02:44:28.260841+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# TRTL amends business combination with One Energy; sponsor earnout cut to 500K shares, NTA condition removed

## Summary
- Sponsor earnout shares reduced from 1,075,000 to 500,000 Pubco common shares.
- Condition requiring TRTL to have at least $5,000,001 net tangible assets at closing removed.
- Additional sponsor loans of ~$2.4M received via Loan and Transfer Agreements and Subscription Agreement.
- Sponsor and class B holders agree to extended lock-up: two years or $15/share trigger, subject to exceptions.
- Amended sponsor letter and stockholder support agreements executed with Pubco added as party.

## SEC filing metadata
- accession: 0001193125-24-137276
- form_type: 8-K
- cik: 0001847112
- company_name: TortoiseEcofin Acquisition Corp. III
- filed_at: 2024-05-13T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1847112/000119312524137276/0001193125-24-137276-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1847112/000119312524137276/d810720d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-137276
- JSON: https://secwatch.observer/filing/0001193125-24-137276.json
- Plain text: https://secwatch.observer/filing/0001193125-24-137276.txt

## Key facts
- Material Agreements
  TortoiseEcofin Acquisition Corp. III amended First Amendment to the Business Combination Agreement with One Energy Enterprises Inc., TRTL Holding Corp., TRTL III Merger Sub Inc., OEE Merger Sub Inc. (effective 2024-05-13).
  - Action: amendment
  - Agreement: merger
  - Counterparty: One Energy Enterprises Inc., TRTL Holding Corp., TRTL III Merger Sub Inc., OEE Merger Sub Inc.
  - Effective: 2024-05-13
  source text: On May 13, 2024, TRTL, One Energy, Pubco and the Merger Subs entered into the First Amendment to the Business Combination Agreement (" Amendment No. 1 ")
  evidence_url: https://www.sec.gov/Archives/edgar/data/1847112/000119312524137276/0001193125-24-137276-index.htm

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