Deal Flow
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Transaction tear sheetData as of Nov 7, 2026
M&A · Healthcare · Pharmaceutical Preparations

Amgen Inc to acquire Five Prime Therapeutics, Inc.

Announced Mar 4, 2021 · Closed Apr 16, 2021

Deal value$1.90BEV $1.86B
Premium79.0%To unaffected price
EV / Adj. EBITDA—
ConsiderationAll cash$38.00 per share

Transaction

Acquirer
Amgen Inc (AMGN)
Target
Five Prime Therapeutics, Inc.
Buyer type
Strategic
Offer price per share
$38.00
Enterprise value
$1.86B
Status
Closed Apr 16, 2021

Deal protections

Break fee (target pays)
$76.0M · 4.0%
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
No financing condition

Advisors

To the acquirer
Goldman Sachs
To the target
Lazard
Lazard fee
$33.8M

Sector context · Healthcare

Comparable deals
12 in the prior 24 months
Premium
79.0% vs. 52.8% sector median
EV / Adj. EBITDA
Sector median 11.6x
Break fee
4.0% vs. 2.9% sector median

Timeline

  1. AnnouncedMar 4, 2021
  2. Tender offerMar 18, 2021
  3. ClosedApr 16, 2021

Valuation · fairness opinions

Discounted cash flow$26.95$33.05
Trading comparables$11.95$17.25
Precedent transactions$18.75$25.20
Trading comparables$29.25$40.60
52-week trading range$26.25$38.05
Offer $38.00

Implied value per Five Prime Therapeutics, Inc. share by analysis, from Lazard · DCF discount rate 10%–12%.

Sources
  • 8-K (EX-99) · Mar 4, 2021
  • 8-K · Mar 4, 2021

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.