Harvey W. Schiller - Nov 25, 2025 Form 4 Insider Report for REPUBLIC AIRWAYS HOLDINGS INC. (MESA)

Role: Director
Signature: /s/ Harvey W. Schiller
Stock symbol: MESA
Transactions as of: Nov 25, 2025
Transactions value $: $0
Form type: 4
Date filed: 11/28/2025, 05:13 PM
Previous filing: Jun 20, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Schiller Harvey W	Director	410 N. 44TH STREET, SUITE 700, PHOENIX	/s/ Harvey W. Schiller	2025-11-28	0001331853

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MESA	Common Stock	Award	$0	+1.48K	+17.76%	$0.00	9.83K	Nov 25, 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Harvey W. Schiller is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	The reporting person has reported prior restricted stock awards ("RSA") in Table II of Form 4. The total reported in Column 5 includes 1,483 RSA's previously reported in Table II and 8,351 shares of common stock. On November 25, 2025, Issuer and Republic Airways Holdings Inc. ("Republic") completed a stock-for-stock merger transaction (the "Merger"), pursuant to which Republic merged with and into Issuer and changed its name from Mesa Air Group, Inc to Republic Airways Holdings Inc. Prior to the closing of the Merger, Issuer effected a 15 to 1 stock split (the "Stock Split") of its common stock.
F2	Pursuant to an Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated April 4, 2025, by and between the Republic and Issuer, Republic merged with and into Mesa. Upon the Merger, the combined company was renamed to Republic Airways Holdings Inc. and now trades under the new ticker symbol RJET. In connection with the Merger, each outstanding restricted stock unit and RSA in respect of shares of Issuer's common stock, whether vested or unvested, accelerated in full and was cancelled and converted into the right to receive a number of shares of Issuer's common stock, less any applicable withholding taxes.

Content

The reporting person has reported prior restricted stock awards ("RSA") in Table II of Form 4. The total reported in Column 5 includes 1,483 RSA's previously reported in Table II and 8,351 shares of common stock. On November 25, 2025, Issuer and Republic Airways Holdings Inc. ("Republic") completed a stock-for-stock merger transaction (the "Merger"), pursuant to which Republic merged with and into Issuer and changed its name from Mesa Air Group, Inc to Republic Airways Holdings Inc. Prior to the closing of the Merger, Issuer effected a 15 to 1 stock split (the "Stock Split") of its common stock.

Pursuant to an Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated April 4, 2025, by and between the Republic and Issuer, Republic merged with and into Mesa. Upon the Merger, the combined company was renamed to Republic Airways Holdings Inc. and now trades under the new ticker symbol RJET. In connection with the Merger, each outstanding restricted stock unit and RSA in respect of shares of Issuer's common stock, whether vested or unvested, accelerated in full and was cancelled and converted into the right to receive a number of shares of Issuer's common stock, less any applicable withholding taxes.