---
schema_version: "secwatch.filing_event.v1"
accession: "0001829126-25-006405"
form_type: "8-K"
ticker: "BCAR"
cik: "0002065779"
company_name: "D. Boral ARC Acquisition I Corp."
filed_at: "2025-08-18T23:59:59+00:00"
generated_at: "2026-05-17T12:09:25.705904+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# D. Boral ARC Acquisition I Corp. closes over-allotment, raising $30M additional

## Summary
- Underwriters partially exercised over-allotment, purchasing 3,000,000 units at $10/unit.
- Total gross proceeds from IPO now $280M from 28,000,000 units.
- Proceeds deposited into trust account; total trust now $280M.
- Unaudited pro forma balance sheet filed as Exhibit 99.1 reflecting adjustments.
- Closing occurred on August 13, 2025.

## SEC filing metadata
- accession: 0001829126-25-006405
- form_type: 8-K
- ticker: BCAR
- cik: 0002065779
- company_name: D. Boral ARC Acquisition I Corp.
- filed_at: 2025-08-18T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2065779/000182912625006405/0001829126-25-006405-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2065779/000182912625006405/dboralarcacq1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001829126-25-006405
- JSON: https://secwatch.observer/filing/0001829126-25-006405.json
- Plain text: https://secwatch.observer/filing/0001829126-25-006405.txt

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