---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-25-123890"
form_type: "8-K"
ticker: "TYGO"
cik: "0001855447"
company_name: "TIGO ENERGY, INC."
filed_at: "2025-12-19T23:59:59+00:00"
generated_at: "2026-05-16T12:37:59.578794+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "medium"
source: SEC EDGAR
---

# Tigo Energy amends supply agreement with EG4; EG4 to claim 45X tax credits, share proceeds with Tigo

## Summary
- Amended agreement with EG4 clarifies EG4 as claimant of 45X tax credits; EG4 will pay Tigo a portion within 90 days of receipt.
- Tigo to supply TS4-A-O optimizers, Cloud Connect Advanced, and Access Point for EG4's Optimized Inverter production.
- Minimum purchase quantities for 2025–2028 are set but redacted; other material terms remain substantially unchanged from August 2025 agreement.
- Limited exclusivity until October 25, 2025 restricts both parties from negotiating with third-party US residential inverter makers.

## SEC filing metadata
- accession: 0001213900-25-123890
- form_type: 8-K
- ticker: TYGO
- cik: 0001855447
- company_name: TIGO ENERGY, INC.
- filed_at: 2025-12-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: medium
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1855447/000121390025123890/0001213900-25-123890-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1855447/000121390025123890/ea0270394-8k_tigo.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-25-123890
- JSON: https://secwatch.observer/filing/0001213900-25-123890.json
- Plain text: https://secwatch.observer/filing/0001213900-25-123890.txt

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