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

Supernus, Inc. to acquire Adamas Pharmaceuticals Inc

Announced Oct 11, 2021 · Closed Nov 24, 2021

Deal value$400MEV $441M
Premium—To unaffected price
EV / Adj. EBITDA—5.3x EV / Revenue
ConsiderationAll cash$8.10 per share

Transaction

Acquirer
Supernus, Inc. (SUPN)
Target
Adamas Pharmaceuticals Inc
Buyer type
Strategic
Offer price per share
$8.10
Enterprise value
$441M
Status
Closed Nov 24, 2021

Deal protections

Break fee (target pays)
$16.0M · 4.0%
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
Jefferies
To the target
Lazard
Lazard fee
$9.0M

Sector context · Healthcare

Comparable deals
29 in the prior 24 months
Premium
Sector median 45.0%
EV / Adj. EBITDA
Sector median 20.4x
Break fee
4.0% vs. 3.3% sector median

Timeline

  1. AnnouncedOct 11, 2021
  2. Tender offerOct 12, 2021
  3. ClosedNov 24, 2021

Valuation · fairness opinions

Discounted cash flow$7.35$8.20
Trading comparables$4.10$6.15
Precedent transactions$4.70$8.50
Trading comparables$6.30$8.35
Offer $8.10

Implied value per Adamas Pharmaceuticals Inc share by analysis, from Lazard · DCF discount rate 11%–13%.

Sources
  • 8-K (EX-99) · Oct 12, 2021
  • 8-K · Oct 12, 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.