Patrick J. O'Keeffe - 13 May 2026 Form 4 Insider Report for Sun Country Airlines Holdings, LLC (SNCY)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
15 May 2026, 20:53:24 UTC
Prior SEC filing
13 Jun 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Rose Neale, as attorney-in-fact for Patrick O'Keeffe

Key filing fact

Patrick J. O'Keeffe filed Form 4 for Sun Country Airlines Holdings, LLC (SNCY) on 15 May 2026.

Key facts

  • This page summarizes Patrick J. O'Keeffe's Form 4 filing for Sun Country Airlines Holdings, LLC (SNCY).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 15 May 2026, 20:53.

Change

  • Previous filing in this sequence was filed on 13 Jun 2025.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001923621 Primary reporting owner

O'Keeffe Patrick J.

Relationship
Director
Address
C/O SUN COUNTRY AIRLINES HOLDINGS, INC., 2005 CARGO ROAD, MINNEAPOLIS
Signature
/s/ Rose Neale, as attorney-in-fact for Patrick O'Keeffe
Signature date
15 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SNCY transaction

COMMON STOCK

Disposed to Issuer

Transaction value
Shares
-39,093
Change %
-100%
Price
Shares after
0
Date
13 May 2026
Ownership
Direct
Footnotes
F1, F2, F3, F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Patrick J. O'Keeffe is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 4 footnotes

Footnote F1

On May 13, 2026, pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of January 11, 2026, by and among Sun Country Airlines Holdings, Inc. ("Sun Country" ), Allegiant Travel Company ("Allegiant"), Mirage Merger Sub, Inc. ("Merger Sub 1") and a direct wholly owned subsidiary of Allegiant, Sawdust Merger Sub, LLC ("Merger Sub 2"), a direct wholly owned subsidiary of Allegiant: (a) Merger Sub 1 merged with and into Sun Country (the "First Merger"), with Sun Country surviving the First Merger as a direct wholly owned subsidiary of Allegiant and (b) immediately after the First Merger, Sun Country merged with and into Merger Sub 2, with Merger Sub 2 surviving as a direct, wholly owned subsidiary of Allegiant (the "Second Merger" and, together with the First Merger, the "Mergers"). All terms capitalized but not defined herein shall have the meaning given to them in the Merger Agreement.

Footnote F2

(Continued from footnote 1) Following consummation of the Mergers, Sun Country Airlines Holdings, Inc. is now known as Sun Country Airlines Holdings, LLC.

Footnote F3

Reflects 28,703 shares of Sun Country common stock ("Company Shares"), par value $0.01 per share, held directly by the reporting person, which, as of the effective time of the First Merger (the "First Effective Time") were converted into the right to receive (a) $4.10 in cash, without interest (the "Per Share Cash Consideration") and (b) 0.1557 (the "Merger Exchange Ratio") shares of Allegiant common stock ("Parent Shares"), par value $0.001 per share (the "Per Share Stock Consideration" and, together with the Per Share Cash Consideration, the "Merger Consideration").

Footnote F4

Reflects each outstanding Sun Country restricted stock unit award ("Company RSU Award") consisting of 10,390 restricted stock units previously granted to the reporting person, which, as of immediately prior to the First Effective Time, such Company RSU Awards became fully vested (to the extent not yet vested) and were cancelled and converted into the right to receive the Merger Consideration.

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