---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-272974"
form_type: "8-K"
ticker: "BXMT"
cik: "0001061630"
company_name: "BLACKSTONE MORTGAGE TRUST, INC."
filed_at: "2021-09-14T23:59:59+00:00"
generated_at: "2026-06-29T03:45:04.194607+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Blackstone Mortgage Trust raises $312M in common stock offering

## Summary
- Offered 10M shares of class A common stock at $31.24/share; net proceeds ~$312.1M.
- Underwriters have 30-day option to purchase up to an additional 1.5M shares.
- Offering closed on September 14, 2021; managed by Morgan Stanley, BofA, Barclays, Citigroup, J.P. Morgan, Wells Fargo.

## SEC filing metadata
- accession: 0001193125-21-272974
- form_type: 8-K
- ticker: BXMT
- cik: 0001061630
- company_name: BLACKSTONE MORTGAGE TRUST, INC.
- filed_at: 2021-09-14T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- 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/1061630/000119312521272974/0001193125-21-272974-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1061630/000119312521272974/d148772d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-272974
- JSON: https://secwatch.observer/filing/0001193125-21-272974.json
- Plain text: https://secwatch.observer/filing/0001193125-21-272974.txt

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