Robert Schroeter - 25 Mar 2026 Form 4 Insider Report for Frontier Group Holdings, Inc. (ULCC)

Reporting relationship: SVP, Chief Commercial Officer
Issuer ticker: ULCC
Reported as of: 25 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 Mar 2026, 16:01:32 UTC
Prior SEC filing: 10 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Howard Diamond, as Attorney-in-fact for Robert Schroeter

Key filing fact

Robert Schroeter filed Form 4 for Frontier Group Holdings, Inc. (ULCC) on 27 Mar 2026.

Key facts

This page summarizes Robert Schroeter's Form 4 filing for Frontier Group Holdings, Inc. (ULCC).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 27 Mar 2026, 16:01.

Change

Previous filing in this sequence was filed on 10 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001677476 Primary reporting owner

Schroeter Robert

Relationship: SVP, Chief Commercial Officer
Address: 4545 AIRPORT WAY, DENVER
Signature: /s/ Howard Diamond, as Attorney-in-fact for Robert Schroeter
Signature date: 27 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ULCC transaction

Common Stock

Options Exercise

Transaction value
Shares: +42,808
Change %: +87%
Price
Shares after: 91,830
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F1, F2

ULCC transaction

Common Stock

Tax liability

Transaction value
Shares: -12,309
Change %: -13%
Price: $3.48^*
Shares after: 79,521
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F3

ULCC transaction

Common Stock

Options Exercise

Transaction value
Shares: +39,954
Change %: +50%
Price
Shares after: 119,475
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F1, F2

ULCC transaction

Common Stock

Tax liability

Transaction value
Shares: -11,486
Change %: -9.6%
Price: $3.48^*
Shares after: 107,989
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ULCC transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -42,808
Change %: -33%
Price: $0.000000^*
Shares after: 85,617
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 42,808
Exercise price
Footnotes: F2, F4

ULCC transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -39,954
Change %: -50%
Price: $0.000000^*
Shares after: 39,955
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 39,954
Exercise price
Footnotes: F2, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Relates solely to the settlement of previously granted Restricted Stock Units upon vesting. No shares were sold by the Reporting Person.

Footnote F2

Each Restricted Stock Unit represents a contingent right to receive one share of Issuer Common Stock. The Restricted Stock Units have no expiration date.

Footnote F3

Represents shares of Issuer Common Stock withheld by the Issuer solely to satisfy tax withholding obligations in connection with the net issuance of shares of Issuer Common Stock delivered to the Reporting Person on March 25, 2026, from the vesting of Restricted Stock Units, and does not represent a sale by the Reporting Person.

Footnote F4

The remaining Restricted Stock Units vest in two substantially equal annual installments beginning on March 25, 2027.

Footnote F5

The remaining Restricted Stock Units fully vest on March 25, 2027.