Form 4: Sun Country Airlines Acquisition by Allegiant Finalized

Director Gail Peterson reports the disposal of all Sun Country Airlines holdings following the company's merger with Allegiant Travel Company.

Summary

• Sun Country Airlines Holdings, Inc. has completed its merger with Allegiant Travel Company.
• The transaction involved a two-step merger process where Sun Country became a wholly owned subsidiary of Allegiant.
• Sun Country Airlines Holdings, Inc. has been renamed Sun Country Airlines Holdings, LLC.
• Reporting person Gail Peterson disposed of 34,278 shares, consisting of 23,888 common shares and 10,390 vested restricted stock units.
• Shareholders received a combination of $4.10 in cash and 0.1557 shares of Allegiant common stock per Sun Country share.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral administrative filing confirming the completion of a previously announced corporate merger.

Positives

• Successful completion of the merger agreement dated January 11, 2026.
• Full vesting of outstanding restricted stock units for the reporting person prior to the merger effective time.

Negatives

• The reporting person no longer holds any direct beneficial ownership in the issuer following the merger.

Risks

• Integration risks associated with the merger of Sun Country into Allegiant Travel Company.
• Potential volatility in Allegiant common stock received as merger consideration.

Future Outlook

Sun Country Airlines now operates as a direct, wholly owned subsidiary of Allegiant Travel Company.

Management Comments

• The reporting person confirms the conversion of all holdings into the right to receive the specified merger consideration.

Industry Context

StockSavvy.ai notes that this consolidation reflects ongoing trends in the U.S. airline industry toward regional and low-cost carrier integration to achieve economies of scale and network optimization.

Comparison to Industry Standards

• The merger follows a trend of consolidation similar to the Alaska Air Group and Hawaiian Airlines merger.
• The cash-and-stock consideration structure is standard for mid-market airline acquisitions.

Corporate Governance

Stakeholder Impact

• Shareholders have received merger consideration in exchange for their equity.
• Sun Country is now a subsidiary of Allegiant.

Next Steps

• Integration of Sun Country operations into Allegiant Travel Company systems.

Key Dates

Keywords

Sun Country Airlines, Allegiant Travel Company, Merger, Acquisition, SNCY, Form 4, Insider Transaction