---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-201556"
form_type: "8-K"
ticker: "LNTH"
cik: "0001521036"
company_name: "Lantheus Holdings, Inc."
filed_at: "2026-05-01T23:59:59+00:00"
generated_at: "2026-05-15T00:17:56.059210+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Lantheus shareholders approve board declassification and amended equity plan with 2M additional shares

## Summary
- Certificate of Amendment filed to declassify Board of Directors over three years; removal with/without cause after declassification.
- Shareholders approved Amended & Restated 2026 Equity Incentive Plan, increasing share reserve by 2.0M shares.
- Non-employee director compensation limit changed: $1.25M in first year, $750k in subsequent years.
- Say-on-pay frequency set to annual after advisory vote; all director nominees elected.
- Deloitte & Touche ratified as independent auditor for fiscal year ending Dec 31, 2026.

## SEC filing metadata
- accession: 0001193125-26-201556
- form_type: 8-K
- ticker: LNTH
- cik: 0001521036
- company_name: Lantheus Holdings, Inc.
- filed_at: 2026-05-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.03, 5.03, 5.02, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1521036/000119312526201556/0001193125-26-201556-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1521036/000119312526201556/d16067d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-201556
- JSON: https://secwatch.observer/filing/0001193125-26-201556.json
- Plain text: https://secwatch.observer/filing/0001193125-26-201556.txt

## Source-grounded claims
- claim_id: 2e3e7dd5c8cbbb8172679c18ab2542260067133d
  claim: Lantheus Holdings, Inc.: Amended certificate of incorporation to declassify the Board of Directors over a three-year period and allow shareholder removal of directors with or without cause (effective 2026-04-30).
  evidence_excerpt: On April 30, 2026, the Company filed a Certificate of Amendment (the “ Certificate of Amendment ”) to its Amended and Restated Certificate of Incorporation with the Secretary of State of the State of Delaware effecting an amendment to declassify the Company’s Board of Directors over a three-year period.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1521036/000119312526201556/0001193125-26-201556-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.