VOGEL JENNIFER L 4

What Happened
Jennifer L. Vogel, a director of Sun Country Airlines Holdings (SNCY), recorded a disposition of 59,588 Sun Country shares on May 13, 2026. This disposition was not an open-market sale but the conversion of her 44,869 directly held shares and 14,719 RSU units into merger consideration under the Allegiant merger. Each Sun Country share converted into $4.10 in cash and 0.1557 shares of Allegiant common stock, implying ~ $244,311 cash and ~9,278 Allegiant shares in aggregate.

Key Details

• Transaction date: 2026-05-13 (reported on Form 4 filed 2026-05-15). Filing appears timely.
• Nature: Disposition to issuer in connection with the merger with Allegiant (conversion of shares/RSUs into merger consideration).
• Per-share merger consideration: $4.10 cash + 0.1557 Allegiant shares.
• Aggregate consideration (approx.): $244,311 cash and ~9,278 Allegiant shares for 59,588 Sun Country shares.
• Shares owned after transaction: Sun Country common shares converted in the merger (effectively zero Sun Country shares remaining from the converted amounts); reporter received Allegiant shares/cash instead.
• Footnotes: Transaction occurred under the Agreement and Plan of Merger dated Jan 11, 2026; Company reorganized as Sun Country Airlines Holdings, LLC; RSUs vested and were cancelled and converted to merger consideration.

Context
This was a merger-related conversion (disposition to issuer) rather than a routine insider sale or purchase. Such transactions reflect deal consideration (cash and parent-company stock) and are generally not viewed as a direct trading signal about the insider’s view of the public market for the company’s stock.