---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-037487"
form_type: "8-K"
ticker: "LIND"
cik: "0001512499"
company_name: "LINDBLAD EXPEDITIONS HOLDINGS, INC."
filed_at: "2025-12-11T23:59:59+00:00"
generated_at: "2026-05-16T13:29:35.923257+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Lindblad to retire Sea Bird & Sea Lion in 2026; charter Greg Mortimer for Alaska expansion

## Summary
- National Geographic Sea Bird and Sea Lion will retire after farewell season ending October 2026.
- Company charters Greg Mortimer for three years starting 2027 to expand Alaska itineraries.
- Greg Mortimer accommodates 154 guests; features Ulstein X-BOW for stability and dynamic positioning.
- CEO Natalya Leahy cites surging demand; new ship enables additional routes and exploration.
- Expansion builds on nearly 40 years of Lindblad's Alaska expedition leadership.

## SEC filing metadata
- accession: 0001437749-25-037487
- form_type: 8-K
- ticker: LIND
- cik: 0001512499
- company_name: LINDBLAD EXPEDITIONS HOLDINGS, INC.
- filed_at: 2025-12-11T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1512499/000143774925037487/0001437749-25-037487-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1512499/000143774925037487/lindb20251204_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-037487
- JSON: https://secwatch.observer/filing/0001437749-25-037487.json
- Plain text: https://secwatch.observer/filing/0001437749-25-037487.txt

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