---
schema_version: "secwatch.filing_event.v1"
accession: "0001656423-21-000026"
form_type: "8-K"
ticker: "BXP"
cik: "0001037540"
company_name: "BXP, Inc."
filed_at: "2021-09-29T23:59:59+00:00"
generated_at: "2026-06-29T00:35:44.063758+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Boston Properties issues $850M 2.45% senior notes due 2033; calls $1B 3.85% notes due 2023

## Summary
- Issued $850M aggregate principal of 2.450% Senior Notes due 2033; net proceeds ~$842.5M.
- Intends to allocate net proceeds to green projects and redeem $1.0B of 3.85% notes due 2023.
- Redemption of 2023 notes on Oct 15, 2021; expects a loss on early extinguishment of debt in Q4 2021.
- Pending use, proceeds may be invested in short-term deposits; remaining redemption from cash or credit facility.

## SEC filing metadata
- accession: 0001656423-21-000026
- form_type: 8-K
- ticker: BXP
- cik: 0001037540
- company_name: BXP, Inc.
- filed_at: 2021-09-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1037540/000165642321000026/0001656423-21-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1037540/000165642321000026/bxp-20210929.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001656423-21-000026
- JSON: https://secwatch.observer/filing/0001656423-21-000026.json
- Plain text: https://secwatch.observer/filing/0001656423-21-000026.txt

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