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

GSK plc to acquire RAPT Therapeutics, Inc.

Announced Jan 20, 2026 · Closed Mar 3, 2026

Deal value$2.20BEV $2.16B
Premium65.0%To unaffected price
EV / Adj. EBITDA—
ConsiderationAll cash$58.00 per share

Transaction

Acquirer
GSK plc (GSK)
Target
RAPT Therapeutics, Inc. (RAPT)
Buyer type
Strategic
Offer price per share
$58.00
Enterprise value
$2.16B
Status
Closed Mar 3, 2026

Deal protections

Break fee (target pays)
$78.4M · 3.6%
Reverse fee (buyer pays)
$101M · 4.6%
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
Evercore
To the target
JPMorgan
JPMorgan fee
$50.4M

Sector context · Healthcare

Comparable deals
97 in the prior 24 months
Premium
65.0% vs. 53.0% sector median
EV / Adj. EBITDA
Sector median 14.5x
Break fee
3.6% vs. 3.4% sector median

Timeline

  1. AnnouncedJan 20, 2026
  2. Tender offerFeb 2, 2026
  3. ClosedMar 3, 2026

Valuation · fairness opinions

Discounted cash flow$49.45$62.05
Premiums paid$50.95$73.40
Analyst price targets$56.00$95.00
Analyst price targets$49.55$84.05
Offer $58.00

Implied value per RAPT Therapeutics, Inc. share by analysis, from JPMorgan · DCF discount rate 12%–14%.

Sources
  • 8-K · Jan 20, 2026

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.