[144] Frontier Group Holdings, Inc. SEC Filing

Rhea-AI Filing Summary

Frontier Group Holdings, Inc. (ULCC) filing reports a proposed sale under Rule 144 of 35,401 common shares through UBS Financial Services with an aggregate market value of $194,705.50. The shares represent part of a holding of 228,155,458 outstanding shares and were acquired as restricted stock units on 10/25/2024 from the issuer. The filer also reported recent sales totaling 57,809 common shares on 09/02/2025 and 09/03/2025 with gross proceeds of $149,268 and $182,712 respectively. The notice includes the signer’s representation that they are not aware of any undisclosed material adverse information about the issuer.

Positive

• Compliance disclosure: The filer properly submitted a Rule 144 notice specifying broker, quantity, and aggregate value
• Transparency on acquisition: The filing states the shares were acquired as RSUs on 10/25/2024, clarifying the nature and date of acquisition
• Prior sales disclosed: Recent open-market sales on 09/02/2025 and 09/03/2025 are reported with gross proceeds, aiding investor transparency

Negative

• None.

Insights

Securities Analyst

TL;DR: Routine Rule 144 sale of RSUs disclosed; sizes are small relative to shares outstanding and indicate compliance with disclosure rules.

The filing documents a proposed sale of 35,401 common shares acquired as RSUs on 10/25/2024 and shows recent open-market sales of 26,306 and 31,503 shares in early September 2025. The aggregate market value of the proposed sale is stated as $194,705.50. From an investor-impact perspective, the disclosed amounts are modest relative to the issuer's 228.16 million shares outstanding, suggesting limited immediate market impact. The form affirms the filer’s representation regarding material nonpublic information, consistent with Rule 144 disclosure practice.

Corporate Governance Expert

TL;DR: Filing shows insider compliance with Rule 144 and public disclosure of prior sales; no governance red flags in the notice itself.

The notice specifies the sale will be executed via UBS Financial Services and lists acquisition details (RSU grant by Frontier Group Holdings Inc on 10/25/2024). The signer affirms no undisclosed material adverse information, and the document warns about criminal penalties for misstatements. This is a standard compliance disclosure rather than a governance action; it provides transparency about insider transactions but does not, by itself, imply governance concerns.

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	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	35401	194705.5	228155458	09/05/2025	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	10/25/2024	RSU	Frontier Group Holdings Inc			35401	10/25/2024	N/A

* 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
Howard Diamond 4545 Airport Way Denver CO 80239	common	09/02/2025	26306	149268
Howard Diamond 4545 Airport Way Denver CO 80239	common	09/03/2025	31503	182712

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 filed by ULCC disclose?

The filing discloses a proposed sale of 35,401 common shares via UBS with an aggregate market value of $194,705.50 and notes prior sales of 26,306 and 31,503 shares on 09/02/2025 and 09/03/2025.

When were the shares to be sold acquired according to the filing?

The shares were acquired as restricted stock units (RSUs) on 10/25/2024 from Frontier Group Holdings Inc.

Who is the broker named in the ULCC Form 144?

The filing names UBS Financial Services Inc (1000 Harbor Blvd, Weehawken, NJ) as the broker for the proposed sale.

How many shares does Frontier report outstanding in the filing?

The filing reports 228,155,458 shares outstanding.

Does the Form 144 state whether the filer knows any undisclosed material information?

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