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Mirum Pharmaceuticals Prices $600.0 Million Convertible Senior Notes Offering; Refinances a Portion of 2029 Convertible Notes

$MIRMPress releaseMay 12, 2026, 11:56 PM ETRead the release

Mirum Pharmaceuticals priced a $600 million offering of 0.00% convertible senior notes due 2032, carrying an initial conversion price of $138.94 per share, a 30% premium to the last reported sale price. The company intends to use approximately $475 million of the net proceeds and issue 3.2 million shares of common stock to exchange for and refinance $237.2 million of its existing 4.00% convertible senior notes due 2029.

Key figures

Deal Value Usd
600000000
Interest rate
0.00%
Maturity year
2032
Conversion price
$138.94
Greenshoe amount
$90.0 million
Net proceeds base
$583.8 million
Prior close price
$106.88
Conversion premium
30.0%
2029 notes refinanced
$237.2 million
Shares issued for exchange
3200000
Net proceeds if option exercised
$671.6 million

AI analysis

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    MIRM: Mirum Pharmaceuticals Prices $600.0 Million Convertible Senior Notes Offering; Refinances a Portion of 2029 Convertible Notes — AI Analysis | Signal8