Sun Country (SNCY) Rule 144 Notice — 5,000 Shares Proposed Sale

Rhea-AI Filing Summary

Form 144 notice filed for Sun Country Airlines Holdings, Inc. (SNCY). The filer reports a proposed sale of 5,000 common shares through Fidelity Brokerage Services with an aggregate market value of $65,904.41, and lists the approximate date of sale as 09/10/2025 on NASDAQ. The filing shows the securities were acquired by an option granted (original grant date noted as 11/21/2018) and the planned sale payment method is cash. The form also discloses three sales by John M. Gyurci within the past three months totaling 4,163 shares for gross proceeds of $49,197.44. The filer certifies no undisclosed material adverse information is known.

Insights

Securities Analyst

TL;DR: Insider sale notice for 5,000 shares worth ~$66k; prior small dispositions in the quarter.

This Form 144 documents a proposed Rule 144 sale rather than an immediate market transaction, indicating the seller intends to comply with resale conditions for restricted or control stock. The 5,000-share position valued at $65,904 is modest relative to a typical public float for a NASDAQ-listed airline, suggesting limited direct market impact. Recent reported sales by John M. Gyurci totaling 4,163 shares and ~$49k in proceeds show ongoing, small-scale dispositions rather than a single large liquidation. For investors, the form provides transparency on planned insider liquidity but does not, by itself, signal a material change to company fundamentals.

Corporate Governance Expert

TL;DR: Compliance-focused disclosure of planned insider sale; governance procedure appears followed.

The filing includes required representations about absence of undisclosed material information and references potential trading-plan considerations. The disclosure that the shares were acquired via an option granted in 2018 and will be sold for cash aligns with standard executive or employee equity monetization practices. The scale of the proposed sale is small and prior recent sales are also limited, which reduces governance concern about a significant insider exit. Documentation appears to meet Rule 144 notice requirements.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	5000	65904.41	53316378	09/10/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/10/2025	Option Granted - 11/21/2018	Issuer			5000	09/10/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John M. Gyurci 2005 Cargo Road Minneapolis MN 55450	Common	06/12/2025	3150	36193.50
John M. Gyurci 2005 Cargo Road Minneapolis MN 55450	Common	07/01/2025	309	3619.62
John M. Gyurci 2005 Cargo Road, Minneapolis MN 55450	Common	09/03/2025	704	9384.32

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)