Frontier Group insider reports large share sales

Frontier Group Holdings insider transactions were reported showing multiple dispositions of common stock by Barry Biffle.

Rhea-AI Filing Summary

Frontier Group Holdings insider transactions were reported showing multiple dispositions of common stock by Barry Biffle. The filings list sales on 12/10/2025, 12/11/2025, 01/22/2026, 02/04/2026, 02/06/2026 and 03/09/2026.

The largest single reported block in the excerpt is 200,000 shares sold on 03/09/2026; several earlier sales range from 5,040 to 100,000 shares. The filings are routine disclosure of insider dispositions under applicable resale notice rules.

Insights

Corporate Governance Analyst

Multiple insider sales by a single reporting person over several months; routine disclosure.

Barry Biffle is recorded as the seller with a sequence of reported dispositions, including 200,000 shares on 03/09/2026 and prior blocks of 100,000 and smaller amounts.

These entries are disclosure of sales activity; cash‑flow treatment and whether any sales were pre‑arranged are not stated in the excerpt. Subsequent filings would show whether sales were part of planned arrangements.

FAQ

Who reported the insider sales for Frontier (ULCC)?

The sales were reported for Barry Biffle, listed with an address in Denver, CO. The excerpt attributes multiple common stock dispositions to him on specific dates between 12/10/2025 and 03/09/2026.

How many shares did the insider sell on 03/09/2026 for ULCC?

The filing shows a sale of 200,000 shares on 03/09/2026. This entry is the largest single block visible in the provided excerpt of transactions by the reporting person.

What other sale amounts are shown in the ULCC excerpt?

The excerpt lists sales including 100,000 shares (two entries on 02/06/2026), 94,960, 82,627, 17,373, and 5,040 on earlier dates between 12/10/2025 and 02/04/2026.

Are the sales in the excerpt described as part of a trading plan?

The provided excerpt does not state whether the transactions were executed under a pre‑arranged trading plan. The filing text lists transaction dates and share amounts but does not specify trading‑plan language in the visible content.

Do the filings state who received the proceeds from these ULCC sales?

The excerpt documents the seller and share counts but does not disclose the recipient of proceeds or use of proceeds. Cash‑flow treatment is not described in the visible content.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/10/2026 - 04:07 PM Learn about SEC filing dates

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	0001511298
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	FRONTIER GROUP HOLDINGS INC
SEC File Number	001-40304
Address of Issuer	4545 AIRORT WAY DENVER COLORADO 80239
Phone	7203744200
Name of Person for Whose Account the Securities are To Be Sold	BARRY BIFFLE
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	Officer

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	214182	790000	229609718	03/10/2026	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	10/25/2025	RSU	FRONTIER GROUP HOLDINGS INC			131836	10/25/2025	N/A
COMMON	02/06/2026	PSU	FRONTIER GROUP HOLDINGS INC			10869	02/06/2026	N/A
COMMON	02/06/2026	RSU	FRONTIER GROUP HOLDINGS INC			61804	02/06/2026	N/A
COMMON	02/08/2026	RSU	FRONTIER GROUP HOLDINGS INC			1447	02/08/2026	N/A
COMMON	02/08/2026	RSU	FRONTIER GROUP HOLDINGS INC			8226	02/08/2026	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
BARRY BIFFLE 4545 AIRPORT WAY DENVER CO 80239	COMMON	12/10/2025	17373	104422
BARRY BIFFLE 4545 AIRPORT WAY DENVER CO 80239	COMMON	12/11/2025	82627	477674
BARRY BIFFLE 4545 AIRPORT WAY DENVER CO 80239	COMMON	01/22/2026	5040	27770
BARRY BIFFLE 4545 AIRPORT WAY DENVER CO 80239	COMMON	02/04/2026	94960	526695
BARRY BIFFLE 4545 AIRPORT WAY DENVER CO 80239	COMMON	02/06/2026	100000	603060
BARRY BIFFLE 4545 AIRPORT WAY DENVER CO 80239	COMMON	02/06/2026	100000	652719
BARRY BIFFLE 4545 AIRPORT WAY DENVER CO 80239	COMMON	03/09/2026	200000	701566

144: Remarks and Signature

Remarks
Date of Notice	03/10/2026
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	/s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for BARRY BIFFLE
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)