AGÕæÈ˹ٷ½

STOCK TITAN

[Form 4] Mesa Air Group, Inc. Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4
Rhea-AI Filing Summary

Mesa Air Group (MESA) â€� Form 4 insider filing: Chief Executive Officer Jonathan G. Ornstein reported the vesting and conversion of 88,138 restricted shares on 18-Jun-2025 (transaction code M). The shares were issued at $0 cost under the company’s 2018 Equity Incentive Plan, increasing his directly held common-stock position to 1,010,014 shares. In addition, he still holds 387,753 unvested/derivative shares linked to various restricted-stock awards.

The original grant, made 18-Jun-2024, totals 264,412 shares and vests in three equal tranches. Following the 2025 vest, two further tranches of 88,137 shares are scheduled for 18-Jun-2026 and 18-Jun-2027. The filing notes that vesting may accelerate upon a change-of-control event, including the company’s pending merger with Republic Airways Holding Inc.

No open-market purchase occurred; therefore, immediate cash outflow for the executive is zero, while share count dilution is modest relative to Mesa’s public float. The report signals continued equity-based compensation and aligns the CEO’s financial incentives with shareholder value, but also highlights potential accelerated dilution and compensation expense if the merger closes before the normal vesting dates.

Mesa Air Group (MESA) � Comunicazione interna Form 4: Il CEO Jonathan G. Ornstein ha riportato il vesting e la conversione di 88.138 azioni vincolate il 18 giugno 2025 (codice transazione M). Le azioni sono state emesse a costo zero nell’ambito del Piano di Incentivi Azionari 2018 della società, portando la sua partecipazione diretta in azioni ordinarie a 1.010.014 azioni. Inoltre, detiene ancora 387.753 azioni non vestite/derivate collegate a vari premi di azioni vincolate.

La concessione originale, effettuata il 18 giugno 2024, ammonta a 264.412 azioni e si consolida in tre tranche uguali. Dopo il vest del 2025, sono previste ulteriori due tranche da 88.137 azioni rispettivamente per il 18 giugno 2026 e il 18 giugno 2027. Il documento segnala che il vesting potrebbe accelerare in caso di evento di cambio di controllo, incluso il merger in corso con Republic Airways Holding Inc.

Non si è verificato alcun acquisto sul mercato aperto; quindi, l’esborso immediato in contanti per l’amministratore è nullo, mentre la diluizione del numero di azioni è modesta rispetto al flottante pubblico di Mesa. Il rapporto indica una continuazione della remunerazione basata su azioni e allinea gli incentivi finanziari del CEO al valore per gli azionisti, evidenziando però anche una possibile diluizione accelerata e costi di compensazione maggiori se la fusione si concretizzerà prima delle date di vest normali.

Mesa Air Group (MESA) � Presentación interna Formulario 4: El Director Ejecutivo Jonathan G. Ornstein reportó el adquisición y conversión de 88.138 acciones restringidas el 18 de junio de 2025 (código de transacción M). Las acciones se emitieron a costo cero bajo el Plan de Incentivos de Acciones 2018 de la empresa, aumentando su posición directa en acciones comunes a 1.010.014 acciones. Además, aún posee 387.753 acciones no adquiridas/derivadas vinculadas a varios premios de acciones restringidas.

La concesión original, realizada el 18 de junio de 2024, totaliza 264.412 acciones y se adquiere en tres tramos iguales. Tras la adquisición de 2025, están programados dos tramos adicionales de 88.137 acciones para el 18 de junio de 2026 y el 18 de junio de 2027. El informe señala que el adquisición podría acelerarse en caso de un cambio de control, incluyendo la fusión pendiente con Republic Airways Holding Inc.

No se realizó compra en el mercado abierto; por lo tanto, el flujo de efectivo inmediato para el ejecutivo es cero, mientras que la dilución del número de acciones es modesta en relación con el flotante público de Mesa. El reporte indica una compensación continua basada en acciones y alinea los incentivos financieros del CEO con el valor para los accionistas, pero también destaca la posible dilución acelerada y el gasto de compensación si la fusión se cierra antes de las fechas normales de adquisición.

Mesa Air Group (MESA) â€� ë‚´ë¶€ìž� ì‹ ê³ ì„� Form 4: 최고경ì˜ìž�(CEO) Jonathan G. Ornsteinì€ 2025ë…� 6ì›� 18ì¼ì— 제한 ì£¼ì‹ 88,138ì£¼ì˜ ê¶Œë¦¬í™•ì • ë°� 전환ì� 보고했습니다(거래 코드 M). 해당 주ì‹ì€ 회사ì� 2018ë…� ì£¼ì‹ ì¸ì„¼í‹°ë¸Œ 계íšì—� ë”°ë¼ ë¬´ìƒìœ¼ë¡œ 발행ë˜ì–´, ê·¸ì˜ ì§ì ‘ 보유 보통ì£� 수가 1,010,014ì£�ë¡� ì¦ê°€í–ˆìŠµë‹ˆë‹¤. ë˜í•œ, 그는 여전íž� 다양í•� 제한 ì£¼ì‹ ë³´ìƒê³� 연계ë� 387,753ì£¼ì˜ ê¶Œë¦¬í™•ì • ì �/íŒŒìƒ ì£¼ì‹ì� 보유하고 있습니다.

ì›ëž˜ 부여는 2024ë…� 6ì›� 18ì¼ì— ì´ë£¨ì–´ì¡Œìœ¼ë©° ì´� 264,412주로 3ê°œì˜ ë™ì¼í•� ë¶„í• ë¡� 권리확정ë©ë‹ˆë‹�. 2025ë…� 권리확정 í›�, 88,137주씩 ë‘� ê°œì˜ ì¶”ê°€ ë¶„í• ì� 2026ë…� 6ì›� 18ì¼ê³¼ 2027ë…� 6ì›� 18ì¼ì— 예정ë˜ì–´ 있습니다. 신고서ì—ëŠ� 회사와 Republic Airways Holding Inc. ê°„ì˜ ì˜ˆì •ë� 합병ì� í¬í•¨í•� ê²½ì˜ê¶� ë³€ê²� ì‹� 권리확정ì� ê°€ì†í™”ë� ìˆ� 있ìŒì� 명시ë˜ì–´ 있습니다.

공개 시장ì—서ì� 매수ëŠ� 없었으므ë¡� ê²½ì˜ì§„ì˜ ì¦‰ê°ì ì¸ 현금 ìœ ì¶œì€ ì—†ìœ¼ë©�, Mesaì� 공개 ì£¼ì‹ ìˆ˜ì— ë¹„í•´ ì£¼ì‹ í¬ì„ì€ ì ì€ 편입니다. ì� 보고서는 ì£¼ì‹ ê¸°ë°˜ ë³´ìƒì� ì§€ì†ë¨ì� 알리ë©� CEOì� 재무ì � ì¸ì„¼í‹°ë¸Œë¥� 주주 가치와 ì¼ì¹˜ì‹œí‚¤ì§€ë§�, 합병ì� ì •ìƒ ê¶Œë¦¬í™•ì • ë‚ ì§œ ì´ì „ì—� 완료ë� 경우 í¬ì„ ë°� ë³´ìƒ ë¹„ìš©ì� ê°€ì†í™”ë� 가능성ë� 강조합니ë‹�.

Mesa Air Group (MESA) � Déclaration d’initié Formulaire 4 : Le Directeur Général Jonathan G. Ornstein a déclaré la levée et conversion de 88 138 actions restreintes le 18 juin 2025 (code transaction M). Les actions ont été émises à coût nul dans le cadre du Plan d’Incitation en Actions 2018 de la société, portant sa position directe en actions ordinaires à 1 010 014 actions. De plus, il détient toujours 387 753 actions non acquises/dérivées liées à diverses récompenses d’actions restreintes.

La subvention initiale, accordée le 18 juin 2024, totalise 264 412 actions et se libère en trois tranches égales. Après la levée de 2025, deux autres tranches de 88 137 actions sont prévues pour le 18 juin 2026 et le 18 juin 2027. Le document précise que la levée peut être accélérée en cas de changement de contrôle, y compris la fusion en cours avec Republic Airways Holding Inc.

Aucun achat sur le marché ouvert n’a eu lieu ; par conséquent, la sortie de trésorerie immédiate pour le dirigeant est nulle, tandis que la dilution du nombre d’actions reste modérée par rapport au flottant public de Mesa. Le rapport indique une rémunération continue basée sur des actions et aligne les incitations financières du PDG sur la valeur pour les actionnaires, tout en soulignant une possible dilution accélérée et des coûts de rémunération supplémentaires si la fusion est finalisée avant les dates normales de levée.

Mesa Air Group (MESA) � Insider-Meldung Form 4: Geschäftsführer Jonathan G. Ornstein meldete die Vesting und Umwandlung von 88.138 restricted Shares am 18. Juni 2025 (Transaktionscode M). Die Aktien wurden im Rahmen des Aktienanreizplans 2018 des Unternehmens zu Nullkosten ausgegeben, wodurch sein direkt gehaltener Stammaktienbestand auf 1.010.014 Aktien anstieg. Zusätzlich hält er noch 387.753 nicht vestete/derivative Aktien, die mit verschiedenen Restricted-Stock-Awards verbunden sind.

Der ursprüngliche Zuschuss, erteilt am 18. Juni 2024, umfasst 264.412 Aktien und vestet in drei gleichen Tranchen. Nach dem Vesting 2025 sind zwei weitere Tranchen von je 88.137 Aktien für den 18. Juni 2026 und 18. Juni 2027 geplant. Die Meldung weist darauf hin, dass das Vesting bei einem Kontrollwechselereignis, einschließlich der geplanten Fusion mit Republic Airways Holding Inc., beschleunigt werden kann.

Es erfolgte kein Kauf am offenen Markt; somit entstehen dem Geschäftsführer keine sofortigen Barausgaben, während die Aktienverwässerung im Verhältnis zum Streubesitz von Mesa gering bleibt. Der Bericht signalisiert eine fortgesetzte aktienbasierte Vergütung und stimmt die finanziellen Anreize des CEO auf den Aktionärswert ab, hebt jedoch auch die mögliche beschleunigte Verwässerung und Vergütungskosten hervor, falls die Fusion vor den regulären Vesting-Terminen abgeschlossen wird.

Positive
  • CEO ownership increases to 1,010,014 shares, reinforcing alignment with shareholders.
  • Clear vesting schedule disclosed, giving investors transparency on future share issuances.
Negative
  • Acceleration clause could trigger earlier dilution and compensation expense if the Republic Airways merger is consummated.
  • Shares were issued at no cost; absence of open-market buying limits strength of bullish signal.

Insights

TL;DR: CEO converted 88k restricted shares, boosting direct stake to 1.0 MM; vesting could accelerate if Republic merger completes.

The transaction is routine equity-plan vesting (code M) at zero cost, so it does not reflect an active market purchase. Nevertheless, Ornstein’s ownership surpasses one million shares, underscoring alignment with minority investors. The remaining 387,753 derivative shares point to a healthy future incentive pipeline. The note on accelerated vesting, however, suggests incremental dilution and non-cash compensation expense could be pulled forward should the Republic Airways deal close. Overall impact is neutral-to-slightly-positive: enhanced alignment but limited market signal because no personal capital was deployed.

TL;DR: Standard vesting; acceleration clause tied to merger may raise dilution and pay-for-performance questions.

From a governance standpoint, time-based restricted stock is common, yet acceleration upon change of control can inflate executive payouts without proven synergies. Investors should watch the Republic merger timeline; if closing precedes 2026, roughly 176 k additional shares could vest early, raising equity compensation expense and dilution. That said, holding >1 MM shares post-transaction suggests Ornstein’s wealth remains materially tied to long-term share performance, partially mitigating agency-cost concerns.

Mesa Air Group (MESA) � Comunicazione interna Form 4: Il CEO Jonathan G. Ornstein ha riportato il vesting e la conversione di 88.138 azioni vincolate il 18 giugno 2025 (codice transazione M). Le azioni sono state emesse a costo zero nell’ambito del Piano di Incentivi Azionari 2018 della società, portando la sua partecipazione diretta in azioni ordinarie a 1.010.014 azioni. Inoltre, detiene ancora 387.753 azioni non vestite/derivate collegate a vari premi di azioni vincolate.

La concessione originale, effettuata il 18 giugno 2024, ammonta a 264.412 azioni e si consolida in tre tranche uguali. Dopo il vest del 2025, sono previste ulteriori due tranche da 88.137 azioni rispettivamente per il 18 giugno 2026 e il 18 giugno 2027. Il documento segnala che il vesting potrebbe accelerare in caso di evento di cambio di controllo, incluso il merger in corso con Republic Airways Holding Inc.

Non si è verificato alcun acquisto sul mercato aperto; quindi, l’esborso immediato in contanti per l’amministratore è nullo, mentre la diluizione del numero di azioni è modesta rispetto al flottante pubblico di Mesa. Il rapporto indica una continuazione della remunerazione basata su azioni e allinea gli incentivi finanziari del CEO al valore per gli azionisti, evidenziando però anche una possibile diluizione accelerata e costi di compensazione maggiori se la fusione si concretizzerà prima delle date di vest normali.

Mesa Air Group (MESA) � Presentación interna Formulario 4: El Director Ejecutivo Jonathan G. Ornstein reportó el adquisición y conversión de 88.138 acciones restringidas el 18 de junio de 2025 (código de transacción M). Las acciones se emitieron a costo cero bajo el Plan de Incentivos de Acciones 2018 de la empresa, aumentando su posición directa en acciones comunes a 1.010.014 acciones. Además, aún posee 387.753 acciones no adquiridas/derivadas vinculadas a varios premios de acciones restringidas.

La concesión original, realizada el 18 de junio de 2024, totaliza 264.412 acciones y se adquiere en tres tramos iguales. Tras la adquisición de 2025, están programados dos tramos adicionales de 88.137 acciones para el 18 de junio de 2026 y el 18 de junio de 2027. El informe señala que el adquisición podría acelerarse en caso de un cambio de control, incluyendo la fusión pendiente con Republic Airways Holding Inc.

No se realizó compra en el mercado abierto; por lo tanto, el flujo de efectivo inmediato para el ejecutivo es cero, mientras que la dilución del número de acciones es modesta en relación con el flotante público de Mesa. El reporte indica una compensación continua basada en acciones y alinea los incentivos financieros del CEO con el valor para los accionistas, pero también destaca la posible dilución acelerada y el gasto de compensación si la fusión se cierra antes de las fechas normales de adquisición.

Mesa Air Group (MESA) â€� ë‚´ë¶€ìž� ì‹ ê³ ì„� Form 4: 최고경ì˜ìž�(CEO) Jonathan G. Ornsteinì€ 2025ë…� 6ì›� 18ì¼ì— 제한 ì£¼ì‹ 88,138ì£¼ì˜ ê¶Œë¦¬í™•ì • ë°� 전환ì� 보고했습니다(거래 코드 M). 해당 주ì‹ì€ 회사ì� 2018ë…� ì£¼ì‹ ì¸ì„¼í‹°ë¸Œ 계íšì—� ë”°ë¼ ë¬´ìƒìœ¼ë¡œ 발행ë˜ì–´, ê·¸ì˜ ì§ì ‘ 보유 보통ì£� 수가 1,010,014ì£�ë¡� ì¦ê°€í–ˆìŠµë‹ˆë‹¤. ë˜í•œ, 그는 여전íž� 다양í•� 제한 ì£¼ì‹ ë³´ìƒê³� 연계ë� 387,753ì£¼ì˜ ê¶Œë¦¬í™•ì • ì �/íŒŒìƒ ì£¼ì‹ì� 보유하고 있습니다.

ì›ëž˜ 부여는 2024ë…� 6ì›� 18ì¼ì— ì´ë£¨ì–´ì¡Œìœ¼ë©° ì´� 264,412주로 3ê°œì˜ ë™ì¼í•� ë¶„í• ë¡� 권리확정ë©ë‹ˆë‹�. 2025ë…� 권리확정 í›�, 88,137주씩 ë‘� ê°œì˜ ì¶”ê°€ ë¶„í• ì� 2026ë…� 6ì›� 18ì¼ê³¼ 2027ë…� 6ì›� 18ì¼ì— 예정ë˜ì–´ 있습니다. 신고서ì—ëŠ� 회사와 Republic Airways Holding Inc. ê°„ì˜ ì˜ˆì •ë� 합병ì� í¬í•¨í•� ê²½ì˜ê¶� ë³€ê²� ì‹� 권리확정ì� ê°€ì†í™”ë� ìˆ� 있ìŒì� 명시ë˜ì–´ 있습니다.

공개 시장ì—서ì� 매수ëŠ� 없었으므ë¡� ê²½ì˜ì§„ì˜ ì¦‰ê°ì ì¸ 현금 ìœ ì¶œì€ ì—†ìœ¼ë©�, Mesaì� 공개 ì£¼ì‹ ìˆ˜ì— ë¹„í•´ ì£¼ì‹ í¬ì„ì€ ì ì€ 편입니다. ì� 보고서는 ì£¼ì‹ ê¸°ë°˜ ë³´ìƒì� ì§€ì†ë¨ì� 알리ë©� CEOì� 재무ì � ì¸ì„¼í‹°ë¸Œë¥� 주주 가치와 ì¼ì¹˜ì‹œí‚¤ì§€ë§�, 합병ì� ì •ìƒ ê¶Œë¦¬í™•ì • ë‚ ì§œ ì´ì „ì—� 완료ë� 경우 í¬ì„ ë°� ë³´ìƒ ë¹„ìš©ì� ê°€ì†í™”ë� 가능성ë� 강조합니ë‹�.

Mesa Air Group (MESA) � Déclaration d’initié Formulaire 4 : Le Directeur Général Jonathan G. Ornstein a déclaré la levée et conversion de 88 138 actions restreintes le 18 juin 2025 (code transaction M). Les actions ont été émises à coût nul dans le cadre du Plan d’Incitation en Actions 2018 de la société, portant sa position directe en actions ordinaires à 1 010 014 actions. De plus, il détient toujours 387 753 actions non acquises/dérivées liées à diverses récompenses d’actions restreintes.

La subvention initiale, accordée le 18 juin 2024, totalise 264 412 actions et se libère en trois tranches égales. Après la levée de 2025, deux autres tranches de 88 137 actions sont prévues pour le 18 juin 2026 et le 18 juin 2027. Le document précise que la levée peut être accélérée en cas de changement de contrôle, y compris la fusion en cours avec Republic Airways Holding Inc.

Aucun achat sur le marché ouvert n’a eu lieu ; par conséquent, la sortie de trésorerie immédiate pour le dirigeant est nulle, tandis que la dilution du nombre d’actions reste modérée par rapport au flottant public de Mesa. Le rapport indique une rémunération continue basée sur des actions et aligne les incitations financières du PDG sur la valeur pour les actionnaires, tout en soulignant une possible dilution accélérée et des coûts de rémunération supplémentaires si la fusion est finalisée avant les dates normales de levée.

Mesa Air Group (MESA) � Insider-Meldung Form 4: Geschäftsführer Jonathan G. Ornstein meldete die Vesting und Umwandlung von 88.138 restricted Shares am 18. Juni 2025 (Transaktionscode M). Die Aktien wurden im Rahmen des Aktienanreizplans 2018 des Unternehmens zu Nullkosten ausgegeben, wodurch sein direkt gehaltener Stammaktienbestand auf 1.010.014 Aktien anstieg. Zusätzlich hält er noch 387.753 nicht vestete/derivative Aktien, die mit verschiedenen Restricted-Stock-Awards verbunden sind.

Der ursprüngliche Zuschuss, erteilt am 18. Juni 2024, umfasst 264.412 Aktien und vestet in drei gleichen Tranchen. Nach dem Vesting 2025 sind zwei weitere Tranchen von je 88.137 Aktien für den 18. Juni 2026 und 18. Juni 2027 geplant. Die Meldung weist darauf hin, dass das Vesting bei einem Kontrollwechselereignis, einschließlich der geplanten Fusion mit Republic Airways Holding Inc., beschleunigt werden kann.

Es erfolgte kein Kauf am offenen Markt; somit entstehen dem Geschäftsführer keine sofortigen Barausgaben, während die Aktienverwässerung im Verhältnis zum Streubesitz von Mesa gering bleibt. Der Bericht signalisiert eine fortgesetzte aktienbasierte Vergütung und stimmt die finanziellen Anreize des CEO auf den Aktionärswert ab, hebt jedoch auch die mögliche beschleunigte Verwässerung und Vergütungskosten hervor, falls die Fusion vor den regulären Vesting-Terminen abgeschlossen wird.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
ORNSTEIN JONATHAN G

(Last) (First) (Middle)
410 N. 44TH STREET SUITE 700

(Street)
PHOENIX AZ 85008

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
MESA AIR GROUP INC [ MESA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
CEO
3. Date of Earliest Transaction (Month/Day/Year)
06/18/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common stock 06/18/2025 M 88,138 A $0 1,010,014 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Award $0 06/18/2025 M 88,138 06/18/2025 (1) Common stock 88,138 $0 387,753 D
Explanation of Responses:
1. A restricted stock award of 264,412 shares was granted under the 2018 Equity Incentive Plan on June 18, 2024. Additional traches of this award will vest as follows: 88,137 shares on June 18, 2026 and 88,137 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.
/s/ Jonathan Ornstein 06/20/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many Mesa Air Group shares did CEO Jonathan Ornstein acquire on 18-Jun-2025?

He acquired 88,138 common shares through the conversion of restricted stock.

What is Ornstein’s total direct ownership after the transaction?

He now directly owns 1,010,014 Mesa Air Group shares.

At what price were the shares acquired?

The restricted shares were issued at $0 cost (code M conversion).

When will the remaining restricted shares vest?

Additional tranches of 88,137 shares vest on 18-Jun-2026 and 18-Jun-2027.

Can vesting accelerate if the Republic Airways merger closes?

Yes. The filing states vesting may accelerate upon a change of control, including the pending merger.

What does transaction code "M" signify in this Form 4?

Code M indicates a conversion of derivative security, such as restricted stock, into common shares.
Mesa Air Group

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