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 Allakos Inc.

Announced Apr 2, 2025 · Closed May 15, 2025

Deal value$30MEV $12M
Premium50.0%To unaffected price
EV / Adj. EBITDA—
ConsiderationAll cash$0.33 per share

Transaction

Acquirer
Concentra Biosciences, LLC
Target
Allakos Inc. (ALLK)
Buyer type
Private equity
Offer price per share
$0.33
Enterprise value
$12M
Status
Closed May 15, 2025

Deal protections

Break fee (target pays)
$1.2M · 4.0%
Reverse fee (buyer pays)
—
Go-shop
—
Financing
No financing condition

Advisors

To the acquirer
Not disclosed
To the target
Houlihan Lokey

Sector context · Healthcare

Comparable deals
93 in the prior 24 months
Premium
50.0% vs. 65.5% sector median
EV / Adj. EBITDA
Sector median 13.8x
Break fee
4.0% vs. 3.4% sector median

Timeline

  1. AnnouncedApr 2, 2025
  2. Tender offerApr 15, 2025
  3. ClosedMay 15, 2025

Valuation · fairness opinions

Liquidation$0.22$0.27
Offer $0.33

Implied value per Allakos Inc. share by analysis, from Houlihan Lokey.

Sources
  • 8-K (EX-99) · Apr 2, 2025
  • SC14D9C (EX-99.1) · Apr 2, 2025
  • 8-K · Apr 2, 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.