Brian S. Gillman - 18 Jun 2025 Form 4 Insider Report for MESA AIR GROUP INC (MESA)

Role: EVP/GC/Secretary
Signature: /s/ Brian S. Gillman
Issuer symbol: MESA
Transactions as of: 18 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 20 Jun 2025, 14:18:49 UTC
Previous filing: 03 Jun 2025
Next filing: 28 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
GILLMAN BRIAN S	EVP/GC/Secretary	410 44TH STREET, SUITE 700, PHOENIX	/s/ Brian S. Gillman	20 Jun 2025	0001091909

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MESA	Common stock	Options Exercise	$0	+23,504	+18%	$0.000000	155,530	18 Jun 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MESA	Restricted Stock Award	Options Exercise	$0	-23,504	-19%	$0.000000	102,998	18 Jun 2025	Common stock	23,504	$0.000000	Direct	F1

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

Explanation of Responses:

Id	Content
F1	A restricted stock award of 70,510 shares was granted under the 2018 Equity Incentive Plan on June 18, 2024. Additional traches of this award will vest as follows: 23,503 shares on June 18, 2026 and 23,503 shares on June 18, 2027. Pursuant to the terms of the Company's equity plan and the underlying award agreement, vesting may accelerate upon a change of control, including the pending merger with Republic Airways Holding Inc., if consumanted, prior to the scheduled vesting date.

Content

A restricted stock award of 70,510 shares was granted under the 2018 Equity Incentive Plan on June 18, 2024. Additional traches of this award will vest as follows: 23,503 shares on June 18, 2026 and 23,503 shares on June 18, 2027. Pursuant to the terms of the Company's equity plan and the underlying award agreement, vesting may accelerate upon a change of control, including the pending merger with Republic Airways Holding Inc., if consumanted, prior to the scheduled vesting date.