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

Rhea-AI Filing Summary

Sun Country Airlines Holdings (SNCY) filed a Form 144 reporting a proposed sale of 279 common shares held at Fidelity Brokerage Services with an aggregate market value of $3,261.85. The filing shows these shares were acquired on 09/30/2025 through restricted stock vesting and were issued as compensation. The registrant lists 53,316,378 shares outstanding and identifies NASDAQ as the listing venue with an approximate sale date of 10/02/2025. The filing also discloses a prior sale by the same person on 07/02/2025 of 893 shares for gross proceeds of $10,903.53. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information.

Insights

Securities Compliance Analyst

TL;DR: This is a routine Rule 144 notice reporting a small, compensation-related sale.

The Form 144 documents a proposed sale of restricted shares that vested on 09/30/2025 and are being sold under Rule 144. It identifies the broker, planned sale date, and the shares outstanding, which are required elements to establish compliance with public resale conditions.

Because the shares were issued as compensation and the seller affirms no undisclosed material adverse information, the filing functions primarily as a disclosure and procedural step rather than a signal of company-level developments.

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	3261.85	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
Grant Whitney 2005 Cargo Road Minneapolis MN 55450	Common	07/02/2025	893	10903.53

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 the Form 144 for SNCY report?

The filing reports a proposed sale of 279 common shares acquired by restricted stock vesting on 09/30/2025, with an aggregate market value of $3,261.85.

When is the approximate sale date listed on the Form 144 for SNCY?

The approximate date of sale is listed as 10/02/2025.

How many SNCY shares are outstanding according to the filing?

The filing reports 53,316,378 shares outstanding.

Did the filer sell other SNCY shares recently?

Yes. The filing discloses a prior sale on 07/02/2025 of 893 shares for gross proceeds of $10,903.53.

What was the nature of payment for the acquired shares?

The shares were acquired as compensation and the date of payment is recorded as 09/30/2025.