On the record · Investment firm
The Sterling Group
Research depth
Transactions sourced
At least one recorded transaction has a public source.
Record updated Sept. 11, 2026
Current ownership
Current owner not established
This record does not identify a current owner. That absence is a gap in the record, not a conclusion about ownership.
Ownership and transaction history
Chronology from recorded ownership periods, transactions and reviewed outcome events. Event order does not imply causation.
May 21, 2025
Sale or exit completedR1
Acquirer: Greenbriar Equity Group · Target: West Star Aviation · Sponsor: Greenbriar Equity Group
Recorded history
Sources and evidence
Recorded transaction sources
These support a recorded transaction row. They have not passed the separate evidence-review process.
- R1Greenbriar Acquires West Star Aviation from The Sterling Group - Greenbriar Equity Group
Greenbriar Equity Group · Company announcement · May 21, 2025
Supports: Recorded transaction
What we do not know
These are gaps in the public record, not findings about the organization.
- The organization's operating status has not been researched.
- No current public ownership assessment has been published.
Help improve this record
Firsthand experience, public sources and corrections can help close the gaps above.