---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-073296"
form_type: "8-K"
ticker: "LNTH"
cik: "0001521036"
company_name: "Lantheus Holdings, Inc."
filed_at: "2023-03-17T23:59:59+00:00"
generated_at: "2026-06-17T23:33:54.826708+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Paul Blanchfield promoted to Lantheus President effective March 20, 2023; Dan Niedzwiecki elevated to CAO

## Summary
- Blanchfield, previously COO, will oversee Commercial, Technical Operations, Manufacturing, Quality, and Medical.
- Annual base salary increased to $650,000; target bonus remains 60% of salary.
- Equity incentive award valued at $1,006,390: 50% PSUs (rTSR), 25% RSUs, 25% stock options.
- Niedzwiecki, previously General Counsel, adds HR and Corporate Communications to his role.
- CEO Mary Anne Heino highlighted Blanchfield's leadership in PSMA PET launch and Niedzwiecki's strategic value.

## SEC filing metadata
- accession: 0001193125-23-073296
- form_type: 8-K
- ticker: LNTH
- cik: 0001521036
- company_name: Lantheus Holdings, Inc.
- filed_at: 2023-03-17T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1521036/000119312523073296/0001193125-23-073296-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1521036/000119312523073296/d478322d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-073296
- JSON: https://secwatch.observer/filing/0001193125-23-073296.json
- Plain text: https://secwatch.observer/filing/0001193125-23-073296.txt

## Key facts
- Executive change
  Paul Blanchfield was appointed as President at Lantheus Holdings, Inc..
  - Action: appointed
  - Role: President
  source text: On March 4, 2023, the Compensation Committee of the Board of Directors of Lantheus Holdings, Inc. (the “Company”) appointed Paul Blanchfield as the President of the Company and its subsidiaries, effective March 20, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1521036/000119312523073296/0001193125-23-073296-index.htm

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