---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-034295"
form_type: "8-K"
ticker: "BRKR"
cik: "0001109354"
company_name: "BRUKER CORP"
filed_at: "2025-09-08T23:59:59+00:00"
generated_at: "2026-05-17T07:28:37.132650+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Bruker closes $690M 6.375% mandatory convertible preferred stock offering

## Summary
- Issued 2.76M shares of Series A mandatory convertible preferred (BRKRP) at $250 liquidation preference per share, total $690M.
- Net proceeds approx. $669.5M after underwriting discounts and expenses; full over-allotment exercised.
- Mandatory conversion on Sept 1, 2028 into 6.9534–8.5179 shares of BRKR common per preferred share.
- Cumulative dividends at 6.375% p.a., payable quarterly starting Dec 1, 2025; may be paid in cash or common stock.
- Restricts common stock dividends and repurchases while preferred is outstanding unless all preferred dividends are paid.

## SEC filing metadata
- accession: 0001140361-25-034295
- form_type: 8-K
- ticker: BRKR
- cik: 0001109354
- company_name: BRUKER CORP
- filed_at: 2025-09-08T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1109354/000114036125034295/0001140361-25-034295-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1109354/000114036125034295/ef20055284_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-034295
- JSON: https://secwatch.observer/filing/0001140361-25-034295.json
- Plain text: https://secwatch.observer/filing/0001140361-25-034295.txt

## Key facts
- Governance Changes
  BRUKER CORP: Filed Certificate of Designations to establish terms of 6.375% Mandatory Convertible Preferred Stock, Series A (effective 2025-09-08).
  - Change: charter amendment
  - Effective: 2025-09-08
  source text: the Company filed a Certificate of Designations (the “Certificate of Designations”) with the Secretary of State of the State of Delaware on September 8, 2025 to establish the designations, powers, preferences and rights of the Mandatory Convertible Preferred Stock
  evidence_url: https://www.sec.gov/Archives/edgar/data/1109354/000114036125034295/0001140361-25-034295-index.htm

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