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AI brief of an SEC Form 8-K · Mirion Technologies (MIR)

Mirion Technologies sells $409.7 million in stock and $375 million in convertible notes

Neutral Impact 4 of 5 financing Written later

Mirion Technologies completed a public offering of 19,906,322 Class A common shares at $21.35 per share, with net proceeds of about $409.7 million, and closed a $375.0 million offering of 0.00% convertible senior notes due 2031 on September 30, 2025. The company says the proceeds will mainly fund the planned acquisition of Paragon Energy Solutions and pay about $38.0 million for capped call transactions, which are meant to reduce potential dilution from the notes.

Key points

  • Common stock offering: 19,906,322 shares at $21.35 each, including the full exercise of the underwriters' option, closed September 30, 2025, with net proceeds of about $409.7 million.
  • Convertible notes: $375.0 million principal due October 1, 2031, with a conversion price of about $28.82 per share, a premium of about 35% over the stock offering price.
  • Use of proceeds: about $38.0 million for capped call transactions and funding of the planned acquisition of Paragon Energy Solutions' parent, WCI-Gigawatt Intermediate Holdco, LLC; the remainder is for general corporate purposes.

The filing

CompanyMirion Technologies (MIR)
Form8-K, current report
Filed with the SECSep 30, 2025, 4:18 PM ET
Accession number0001628280-25-043231

Items reported: 1.01 Material Definitive Agreement2.03 New Direct Financial Obligation3.02 Unregistered Equity Sale8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:00 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 30, 2025.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.