Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Healthcare · Biological Products, (No Diagnostic Substances)

Merck KGaA, Darmstadt, Germany to acquire SpringWorks Therapeutics, Inc.

Announced Apr 28, 2025 · Closed Jul 1, 2025

Deal value$3.90BEV $3.83B
Premium17.0%To unaffected price
EV / Adj. EBITDA—20.0x EV / Revenue
ConsiderationAll cash$47.00 per share

Transaction

Acquirer
Merck KGaA, Darmstadt, Germany
Target
SpringWorks Therapeutics, Inc. (SWTX)
Buyer type
Strategic
Offer price per share
$47.00
Enterprise value
$3.83B
Status
Closed Jul 1, 2025

Deal protections

Break fee (target pays)
$146M · 3.7%
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
No financing condition

Advisors

To the acquirer
JPMorgan
To the target
Centerview, Goldman Sachs
Centerview fee
$35.0M

Sector context · Healthcare

Comparable deals
91 in the prior 24 months
Premium
17.0% vs. 66.0% sector median
EV / Adj. EBITDA
Sector median 13.8x
Break fee
3.7% vs. 3.5% sector median

Timeline

  1. AnnouncedApr 28, 2025
  2. Proxy filedMay 15, 2025
  3. Definitive proxyMay 28, 2025
  4. Shareholder voteJun 26, 2025
  5. ClosedJul 1, 2025

Valuation · fairness opinions

Trading comparablesCenterview$29.30$51.95
Precedent transactionsCenterview$41.45$67.65
Discounted cash flowCenterview$41.40$47.25
Analyst price targetsCenterview$63.00$84.00
Precedent transactionsCenterview$64.45$80.55
Discounted cash flowGoldman Sachs$41.40$47.25
Premiums paidGoldman Sachs$51.16$89.42
Premiums paidGoldman Sachs$34.91$61.03
Offer $47.00

Implied value per SpringWorks Therapeutics, Inc. share by analysis, from Centerview and Goldman Sachs · DCF discount rate 12.5%–14.5%.

Sources
  • 8-K · Apr 28, 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.