Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Healthcare · Pharmaceutical Preparations

Concentra Biosciences, LLC to acquire Kronos Bio, Inc.

Announced May 1, 2025 · Closed Jun 20, 2025

Deal value$35M
Premium—To unaffected price
EV / Adj. EBITDA—
ConsiderationAll cash$0.57 per share

Transaction

Acquirer
Concentra Biosciences, LLC
Target
Kronos Bio, Inc. (KRON)
Buyer type
Private equity
Offer price per share
$0.57
Enterprise value
—
Status
Closed Jun 20, 2025

Deal protections

Break fee (target pays)
$1.4M · 4.0%
Reverse fee (buyer pays)
—
Go-shop
—
Financing
No financing condition

Advisors

To the acquirer
Not disclosed
To the target
Leerink Partners

Sector context · Healthcare

Comparable deals
92 in the prior 24 months
Premium
Sector median 66.5%
EV / Adj. EBITDA
Sector median 13.8x
Break fee
4.0% vs. 3.4% sector median

Timeline

  1. AnnouncedMay 1, 2025
  2. Tender offerMay 15, 2025
  3. ClosedJun 20, 2025
Sources
  • 8-K (EX-99) · May 1, 2025
  • 8-K · May 1, 2025

Adj. EBITDA is operating income + D&A + impairment, restructuring, deal costs and stock compensation, less any large gain on a sale, last twelve months, from the target's filings. Calculated by Castle, so it can differ from a bank's adjusted figure.

Prepared with Castle from public SEC EDGAR filings. Figures are extracted automatically; verify against the source documents. Not investment advice.