[144] Sun Country Airlines Holdings, Inc. SEC Filing

Rhea-AI Filing Summary

Form 144 notice from an insider at Sun Country Airlines Holdings, Inc. (SNCY) reports a proposed sale of 279 shares of common stock through Fidelity Brokerage Services with an aggregate market value of $3,264.02. The shares were acquired on 09/30/2025 by restricted stock vesting and were paid as compensation. The filing indicates an approximate sale date of 10/02/2025 on NASDAQ. The filing also discloses a prior sale by the same person on 09/12/2025 of 3,515 shares for $49,034.25. The notice includes the standard representation that the seller knows of no undisclosed material adverse information.

Positive

• Complete Rule 144 disclosure including broker, acquisition details, sale date, and market value supports regulatory compliance
• Shares were acquired via restricted stock vesting as compensation, indicating routine insider liquidity rather than an external divestiture
• Transaction size is immaterial relative to 53,316,378 shares outstanding, implying negligible market impact

Negative

• None.

Insights

Financial Analyst

TL;DR: Small insider sale tied to vested compensation; immaterial to company valuation.

The proposed sale of 279 shares valued at $3,264 is de minimis relative to the company's outstanding share count of 53,316,378, indicating negligible direct market impact. The acquisition source—restricted stock vesting paid as compensation—signals this is routine insider liquidity following vesting rather than a market-driven divestiture. The prior 3,515-share sale on 09/12/2025 (gross proceeds $49,034.25) is larger but still small in absolute terms. Overall, this filing is a standard disclosure with limited investor significance.

Corporate Governance Expert

TL;DR: Proper compliance with Rule 144; disclosure aligns with governance and insider-trading protocols.

The filer documents the nature and timing of share acquisition (restricted stock vesting) and specifies broker, sale date, and market value, satisfying Rule 144 transparency requirements. The signature representation about lack of undisclosed material information is present. No evidence in the filing suggests improper timing or undisclosed material facts; the disclosure supports governance transparency but does not indicate material changes to insider holdings.

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	279	3264.02	53316378	10/02/2025	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	09/30/2025	Restricted Stock Vesting	Issuer			279	09/30/2025	Compensation

* 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
Erin Neale 2005 Cargo Road Minneapolis MN 55450	Common	09/12/2025	3515	49034.25

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)

FAQ

What does Sun Country (SNCY) Form 144 filed here report?

The filing reports a proposed sale of 279 common shares through Fidelity with an aggregate market value of $3,264.02, approximately to be sold on 10/02/2025 on NASDAQ.

How were the 279 shares acquired according to the Form 144?

The shares were acquired on 09/30/2025 by restricted stock vesting from the issuer and were paid as compensation.

Has the filer sold other Sun Country shares recently?

Yes. The filing discloses a prior sale on 09/12/2025 of 3,515 common shares for gross proceeds of $49,034.25 by Erin Neale.

Who is the broker handling the proposed sale?

The broker listed is Fidelity Brokerage Services LLC at the address provided in the filing.

Does the filing state any undisclosed material information?

By signing the notice, the person represents that they do not know of any material adverse information about the issuer that has not been publicly disclosed.