The supplemental disclosures are unlikely to change the merger vote outcome, but the pending shareholder lawsuits could delay closing if an injunction is sought. Monitor for any court rulings on the complaints ahead of the October 14 special meeting.
Price Chart
Executive Summary
Lantheus Holdings filed a DEFA14A providing supplemental disclosures to its definitive proxy statement for the special meeting on October 14, 2026, where stockholders will vote on the proposed acquisition by Curium US Holdings LLC. The supplemental disclosures were made in response to three shareholder lawsuits and sixteen demand letters alleging omissions in the proxy statement regarding financial projections, Morgan Stanley's fairness opinion, and potential conflicts of interest. The company denies any deficiency but is providing additional details to avoid litigation costs and facilitate the vote.
Key Financial Metrics
Key Facts
- Special meeting to vote on merger with Curium US Holdings LLC scheduled for October 14, 2026.
- Three shareholder lawsuits filed in New York and Massachusetts alleging proxy statement omissions.
- Sixteen demand letters received from purported stockholders as of September 30, 2026.
- Supplemental disclosures include additional details on Morgan Stanley's DCF analysis, comparable companies analysis, premia paid analysis, analyst price targets, and compensation arrangements.
- Morgan Stanley's DCF analysis implied a value per share of $88.10 to $118.60.
- Morgan Stanley's publicly traded companies analysis implied a value per share of $63.85 to $84.20.
- Analyst price targets ranged from $98.00 to $129.00 per share.
- No executive officers have discussed or entered into employment agreements with Parent or its affiliates.
- Morgan Stanley held between 2% and 3% of Company common stock as of August 3, 2026.
Financial Impact
No new financial figures disclosed; supplemental disclosures provide additional detail on valuation analyses already in the proxy statement.
Risk Factors
- Shareholder lawsuits could seek to enjoin the merger, potentially delaying or derailing the transaction.
- Additional demand letters or lawsuits may be filed before the special meeting.
- Failure to obtain stockholder approval or regulatory approvals could terminate the merger.
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| DEFA14A Filing (Primary) | 0001193125-26-412567 |
| Document: 0001193125-26-412567-index-headers.html | 0001193125-26-412567 |
| Document: 0001193125-26-412567-index.html | 0001193125-26-412567 |
| Document: 0001193125-26-412567.txt | 0001193125-26-412567 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 22, 2026 5d ago | 8-K | $100.10 $99.80 | ▼ −0.30% | ▲ +0.22% | $100.11 (+0.01%) |
Oct 2, 2026 24d ago | DEFA14A | $100.19 $99.95 | ▼ −0.24% | ▼ −0.79% | $100.11 (−0.07%) |
Oct 2, 2026 24d ago | 8-K | $100.19 $99.95 | ▼ −0.24% | ▼ −0.79% | $100.11 (−0.07%) |
Sep 16, 2026 5w ago | DEFA14A | $100.80 $100.55 | ▼ −0.25% | ▼ −0.38% | $100.11 (−0.68%) |
Aug 26, 2026 8w ago | PREM14A | $100.82 $100.47 | ▼ −0.35% | ▼ −1.00% | $100.11 (−0.70%) |
Aug 14, 2026 10w ago | Press Release | $100.95 $100.91 | ▼ −0.04% | ▲ +0.43% | $100.11 (−0.83%) |
Aug 6, 2026 11w ago | 8-K | $101.07 $100.95 | ▼ −0.12% | ▼ −0.73% | $100.11 (−0.94%) |
Aug 3, 2026 12w ago | 8-K / DEFA14A | $101.11 $101.50 | ▲ +0.39% | ▲ +0.59% | $100.11 (−0.98%) |
Aug 3, 2026 12w ago | DEFA14A / 8-K | $101.19 $101.11 | ▼ −0.08% | ▼ −1.88% | $100.11 (−1.06%) |
Aug 3, 2026 12w ago | Press Release | $101.19 $101.11 | ▼ −0.08% | ▼ −1.88% | $100.11 (−1.06%) |
US Market Status
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