RJET

SEC source: 0001628280-26-065908 · wk-form4_1792012222.xml · nonDerivative · entry 1

Hornback Scott · CIK 0001673785 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,493

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-065906 · wk-form4_1792012164.xml · nonDerivative · entry 1

Koscal Matthew · CIK 0001616099 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 350,629

F1 · kind: Represents shares of common stock withheld by Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-065904 · wk-form4_1792012113.xml · nonDerivative · entry 1

Pulley Chad M. · CIK 0002096478 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,695

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-065901 · wk-form4_1792012019.xml · nonDerivative · entry 1

Kinstedt Paul · CIK 0001658964 · Executive Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215,103

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-057969 · wk-form4_1787171105.xml · nonDerivative · entry 1

Hornback Scott · CIK 0001673785 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,864

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-057967 · wk-form4_1787171071.xml · nonDerivative · entry 1

Koscal Matthew · CIK 0001616099 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 362,325

F1 · kind: Represents shares of common stock withheld by Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-057965 · wk-form4_1787171027.xml · nonDerivative · entry 1

Pulley Chad M. · CIK 0002096478 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,608

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-057963 · wk-form4_1787170999.xml · nonDerivative · entry 1

Allman Joseph · CIK 0001616082 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 222,303

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-057962 · wk-form4_1787170913.xml · nonDerivative · entry 1

Kinstedt Paul · CIK 0001658964 · Executive Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 220,448

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001628280-26-044077 · wk-form4_1781742180.xml · nonDerivative · entry 3

GRIZZLE J DAVID · CIK 0001194088 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,795

F1 · kind: As part of the Issuer's CEO transition plan, on June 15, 2026, Mr. Grizzle ceased to serve as CEO, while retaining his position as chairman of the Issuer's Board of Directors; in connection therewith, the Issuer's Compensation Committee approved the accelerated vesting of equity awards held by Mr. Grizzle.

F4 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to accelerated vesting of PSUs reported herein.

SEC source: 0001628280-26-044077 · wk-form4_1781742180.xml · nonDerivative · entry 2

GRIZZLE J DAVID · CIK 0001194088 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 276,750

F1 · kind: As part of the Issuer's CEO transition plan, on June 15, 2026, Mr. Grizzle ceased to serve as CEO, while retaining his position as chairman of the Issuer's Board of Directors; in connection therewith, the Issuer's Compensation Committee approved the accelerated vesting of equity awards held by Mr. Grizzle.

F3 · kind: In connection with accelerated vesting of previously granted restricted stock units, subject to performance-based vesting conditions ("PSUs"), the PSUs, which were not previously reported, were deemed earned at an assumed multiple of target and settled into shares of common stock on a one-for-one basis.

SEC source: 0001628280-26-044077 · wk-form4_1781742180.xml · nonDerivative · entry 1

GRIZZLE J DAVID · CIK 0001194088 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,245

F1 · kind: As part of the Issuer's CEO transition plan, on June 15, 2026, Mr. Grizzle ceased to serve as CEO, while retaining his position as chairman of the Issuer's Board of Directors; in connection therewith, the Issuer's Compensation Committee approved the accelerated vesting of equity awards held by Mr. Grizzle.

F2 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to accelerated vesting of restricted stock, related to awards previously reported and subject to vesting based on time or achievement of two remaining specified operational milestones.

SEC source: 0001628280-26-044075 · wk-form4_1781742100.xml · derivative · entry 1

Allman Joseph · CIK 0001616082 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,557

Underlying: Common Stock · 12,557 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: These RSUs vest in three substantially equal annual installments on March 20, 2027, 2028 and 2029.

F2 · derivative.expiration_date: These RSUs vest in three substantially equal annual installments on March 20, 2027, 2028 and 2029.

SEC source: 0001628280-26-044073 · wk-form4_1781742003.xml · derivative · entry 1

Kinstedt Paul · CIK 0001658964 · Executive Vice President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,557

Underlying: Common Stock · 12,557 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

F2 · derivative.exercise_date: These RSUs vest in three substantially equal annual installments on March 20, 2027, 2028 and 2029.

F2 · derivative.expiration_date: These RSUs vest in three substantially equal annual installments on March 20, 2027, 2028 and 2029.

SEC source: 0001193125-26-254085 · ownership.xml · nonDerivative · entry 1

Allman Joseph · CIK 0001616082 · Senior Vice President and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 227,761

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001193125-26-254079 · ownership.xml · nonDerivative · entry 1

Pulley Chad M. · CIK 0002096478 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 178,521

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001193125-26-254076 · ownership.xml · nonDerivative · entry 1

Hornback Scott · CIK 0001673785 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,235

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001193125-26-254075 · ownership.xml · nonDerivative · entry 1

Kinstedt Paul · CIK 0001658964 · Senior Vice President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,793

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001193125-26-254068 · ownership.xml · nonDerivative · entry 1

GRIZZLE J DAVID · CIK 0001194088 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 229,221

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001193125-26-254064 · ownership.xml · nonDerivative · entry 1

Koscal Matthew · CIK 0001616099 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 374,020

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock in connection with the certification of achievement of a specified operational milestone related to an award previously reported.

SEC source: 0001193125-26-239785 · ownership.xml · nonDerivative · entry 1

RIDINGS BARRY W · CIK 0001044258 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,205

F1 · kind: Represents an award of restricted stock units, granted as compensation for serving as a member of the Board of Directors of Republic Airways Holdings Inc., which was fully vested upon grant.

SEC source: 0001193125-26-239784 · ownership.xml · nonDerivative · entry 1

SWEETNAM JAMES E · CIK 0001188600 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,205

F1 · kind: Represents an award of restricted stock units, granted as compensation for serving as a member of the Board of Directors of Republic Airways Holdings Inc., which was fully vested upon grant.

SEC source: 0001193125-26-239783 · ownership.xml · nonDerivative · entry 1

Lenz Michael C. · CIK 0001823573 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,410

F1 · kind: Represents an award of restricted stock units, granted as compensation for serving as a member of the Board of Directors of Republic Airways Holdings Inc., which was fully vested upon grant.

SEC source: 0001193125-26-239781 · ownership.xml · nonDerivative · entry 1

Okediji Ruth L. · CIK 0002096368 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,205

F1 · kind: Represents an award of restricted stock units, granted as compensation for serving as a member of the Board of Directors of Republic Airways Holdings Inc., which was fully vested upon grant.

SEC source: 0001193125-26-239778 · ownership.xml · nonDerivative · entry 1

ARTIST ELLEN N. · CIK 0001747920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,043

F1 · kind: Represents an award of restricted stock units, granted as compensation for serving as a member of the Board of Directors of Republic Airways Holdings Inc., which was fully vested upon grant.

SEC source: 0001193125-26-239786 · ownership.xml · nonDerivative · entry 1

JOHNSON GLENN S · CIK 0001263108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,746

F1 · kind: Represents an award of restricted stock units, granted as compensation for serving as a member of the Board of Directors of Republic Airways Holdings Inc., which was fully vested upon grant.

SEC source: 0000905148-26-000520 · form4.xml · nonDerivative · entry 1

United Airlines Holdings, Inc. · CIK 0000100517 · 10% owner

UNITED AIRLINES, INC. · CIK 0000319687 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 10,490,745

F1 · kind: In connection with the merger of the Issuer (formerly known as Mesa Air Group, Inc. ("Mesa")) and legacy Republic Airways Holdings Inc. ("Legacy Republic") on November 25, 2025 (the "Merger"), shares equivalent to a 6% interest in the Issuer were delivered into escrow for allocation in the manner set forth in that certain Three Party Agreement, dated as of April 4, 2025, between Mesa, Legacy Republic, and United Airlines, Inc. (the "Escrow Shares"). On February 3, 2026, the amount of the Escrow Shares payable to United Airlines, Inc. in exchange for the forgiveness and repayment of certain debts and obligations of the Issuer pre-closing was confirmed to be 2,744,348 shares, valued at $18.84 per share, for a total value of $51,703,516.32. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to the terms of the statute, because the shares were "acquired in good faith in connection with a debt previously contracted."

F1 · price: In connection with the merger of the Issuer (formerly known as Mesa Air Group, Inc. ("Mesa")) and legacy Republic Airways Holdings Inc. ("Legacy Republic") on November 25, 2025 (the "Merger"), shares equivalent to a 6% interest in the Issuer were delivered into escrow for allocation in the manner set forth in that certain Three Party Agreement, dated as of April 4, 2025, between Mesa, Legacy Republic, and United Airlines, Inc. (the "Escrow Shares"). On February 3, 2026, the amount of the Escrow Shares payable to United Airlines, Inc. in exchange for the forgiveness and repayment of certain debts and obligations of the Issuer pre-closing was confirmed to be 2,744,348 shares, valued at $18.84 per share, for a total value of $51,703,516.32. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to the terms of the statute, because the shares were "acquired in good faith in connection with a debt previously contracted."

F2 · ownership.nature: These securities are directly held by United Airlines, Inc. As the holding company of United Airlines, Inc., United Airlines Holdings, Inc. may be deemed to have voting and dispositive power over these securities. United Airlines, Inc. and United Airlines Holdings, Inc. disclaim beneficial ownership over these securities except to the extent of their respective pecuniary interest therein, if any.

SEC source: 0001193125-26-003049 · ownership.xml · nonDerivative · entry 1

Kinstedt Paul · CIK 0001658964 · Senior Vice President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,138

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock.

SEC source: 0001193125-26-003042 · ownership.xml · nonDerivative · entry 1

Koscal Matthew · CIK 0001616099 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 385,716

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock.

SEC source: 0001193125-26-003046 · ownership.xml · nonDerivative · entry 1

Pulley Chad M. · CIK 0002096478 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184,434

F1 · kind: Represents shares of common stock withheld by the Issuer to pay taxes applicable to vesting of restricted stock.

SEC source: 0001193125-25-302805 · ownership.xml · nonDerivative · entry 2

Pulley Chad M. · CIK 0002096478 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,090

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F3 · price: Pursuant to the Merger Agreement, immediately prior to the Effective Time, each outstanding unvested Republic RSU was assumed by the Issuer and converted into the right to receive an award of restricted shares of Issuer common stock (rounded up to the next whole share of Issuer common stock) equal to the product obtained by multiplying (x) 38.9933 by (y) the total number of shares of Republic Common Stock subject to such unvested Republic RSU immediately prior to the Effective Time. Each unvested Republic RSU assumed and converted into a share of Issuer restricted stock shall continue to have, and shall be subject to, the same terms and conditions (including with respect to vesting) as applied to the corresponding Republic RSU as of immediately prior to the Effective Time.

F4 · price: These shares of Issuer restricted stock vest as follows, in each case, subject to continued service through the applicable vesting date: with respect to 18,093 shares, in equal installments on each of December 31, 2025, December 31, 2026, and December 31, 2027; and with respect to 134,371 shares, 35% of such shares will vest on each of November 25, 2028 and November 25, 2029, and 30% of such shares will vest in one-third tranches upon the achievement of specified operational milestones.

SEC source: 0001193125-25-302805 · ownership.xml · nonDerivative · entry 1

Pulley Chad M. · CIK 0002096478 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,626

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, immediately prior to the effective time of the Merger ("Effective Time"), each outstanding Republic restricted stock unit ("Republic RSU") that vested in accordance with its terms ("Vested Republic RSU") was cancelled and converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes (the "Merger Consideration").

SEC source: 0001193125-25-302802 · ownership.xml · nonDerivative · entry 1

Lenz Michael C. · CIK 0001823573 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,149

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, at the effective time of the Merger ("Effective Time"), each share of Republic common stock issued and outstanding immediately prior to the Effective Time of the Merger was automatically converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes.

SEC source: 0001193125-25-302799 · ownership.xml · nonDerivative · entry 1

SWEETNAM JAMES E · CIK 0001188600 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,944

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, at the effective time of the Merger ("Effective Time"), each share of Republic common stock issued and outstanding immediately prior to the Effective Time of the Merger was automatically converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes.

SEC source: 0001193125-25-302800 · ownership.xml · nonDerivative · entry 2

Allman Joseph · CIK 0001616082 · Senior Vice President and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,219

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F3 · price: Pursuant to the Merger Agreement, immediately prior to the Effective Time, each outstanding unvested Republic RSU was assumed by the Issuer and converted into the right to receive an award of restricted shares of Issuer common stock (rounded up to the next whole share of Issuer common stock) equal to the product obtained by multiplying (x) 38.9933 by (y) the total number of shares of Republic Common Stock subject to such unvested Republic RSU immediately prior to the Effective Time. Each unvested Republic RSU assumed and converted into a share of Issuer restricted stock shall continue to have, and shall be subject to, the same terms and conditions (including with respect to vesting) as applied to the corresponding Republic RSU as of immediately prior to the Effective Time.

F4 · price: These shares of Issuer restricted stock vest as follows, in each case, subject to continued service through the applicable vesting date: with respect to 24,059 shares, in equal installments on each of December 31, 2025, December 31, 2026, and December 31, 2027; and with respect to 123,141 shares, 35% of such shares will vest on each of November 25, 2028 and November 25, 2029, and 30% of such shares will vest in one-third tranches upon the achievement of specified operational milestones.

SEC source: 0001193125-25-302800 · ownership.xml · nonDerivative · entry 1

Allman Joseph · CIK 0001616082 · Senior Vice President and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,019

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, immediately prior to the effective time of the Merger ("Effective Time"), each outstanding Republic restricted stock unit ("Republic RSU") that vested in accordance with its terms ("Vested Republic RSU") was cancelled and converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes (the "Merger Consideration").

SEC source: 0001193125-25-302794 · ownership.xml · nonDerivative · entry 2

Kinstedt Paul · CIK 0001658964 · Senior Vice President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234,622

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F3 · price: Pursuant to the Merger Agreement, immediately prior to the Effective Time, each outstanding unvested Republic RSU was assumed by the Issuer and converted into the right to receive an award of restricted shares of Issuer common stock (rounded up to the next whole share of Issuer common stock) equal to the product obtained by multiplying (x) 38.9933 by (y) the total number of shares of Republic Common Stock subject to such unvested Republic RSU immediately prior to the Effective Time. Each unvested Republic RSU assumed and converted into a share of Issuer restricted stock shall continue to have, and shall be subject to, the same terms and conditions (including with respect to vesting) as applied to the corresponding Republic RSU as of immediately prior to the Effective Time.

F4 · price: These shares of Issuer restricted stock vest as follows, in each case, subject to continued service through the applicable vesting date: with respect to 24,059 shares, in equal installments on each of December 31, 2025, December 31, 2026, and December 31, 2027; and with respect to 123,141 shares, 35% of such shares will vest on each of November 25, 2028 and November 25, 2029, and 30% of such shares will vest in one-third tranches upon the achievement of specified operational milestones.

SEC source: 0001193125-25-302794 · ownership.xml · nonDerivative · entry 1

Kinstedt Paul · CIK 0001658964 · Senior Vice President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,422

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, immediately prior to the effective time of the Merger ("Effective Time"), each outstanding Republic restricted stock unit ("Republic RSU") that vested in accordance with its terms ("Vested Republic RSU") was cancelled and converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes (the "Merger Consideration").

SEC source: 0001193125-25-302793 · ownership.xml · nonDerivative · entry 1

RIDINGS BARRY W · CIK 0001044258 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,944

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, at the effective time of the Merger ("Effective Time"), each share of Republic common stock issued and outstanding immediately prior to the Effective Time of the Merger was automatically converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes.

SEC source: 0001193125-25-302790 · ownership.xml · nonDerivative · entry 1

JOHNSON GLENN S · CIK 0001263108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,485

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, at the effective time of the Merger ("Effective Time"), each share of Republic common stock issued and outstanding immediately prior to the Effective Time of the Merger was automatically converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes.

SEC source: 0001193125-25-302789 · ownership.xml · nonDerivative · entry 2

Koscal Matthew · CIK 0001616099 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 390,595

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F3 · price: Pursuant to the Merger Agreement, immediately prior to the Effective Time, each outstanding unvested Republic RSU was assumed by the Issuer and converted into the right to receive an award of restricted shares of Issuer common stock (rounded up to the next whole share of Issuer common stock) equal to the product obtained by multiplying (x) 38.9933 by (y) the total number of shares of Republic Common Stock subject to such unvested Republic RSU immediately prior to the Effective Time. Each unvested Republic RSU assumed and converted into a share of Issuer restricted stock shall continue to have, and shall be subject to, the same terms and conditions (including with respect to vesting) as applied to the corresponding Republic RSU as of immediately prior to the Effective Time.

F4 · price: These shares of Issuer restricted stock vest as follows, in each case, subject to continued service through the applicable vesting date: with respect to 33,690 shares, in equal installments on each of December 31, 2025, December 31, 2026, and December 31, 2027; and with respect to 269,483 shares, 35% of such shares will vest on each of November 25, 2028 and November 25, 2029, and 30% of such shares will vest in one-third tranches upon the achievement of specified operational milestones.

SEC source: 0001193125-25-302789 · ownership.xml · nonDerivative · entry 1

Koscal Matthew · CIK 0001616099 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,422

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, immediately prior to the effective time of the Merger ("Effective Time"), each outstanding Republic restricted stock unit ("Republic RSU") that vested in accordance with its terms ("Vested Republic RSU") was cancelled and converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes (the "Merger Consideration").

SEC source: 0001193125-25-302782 · ownership.xml · nonDerivative · entry 1

Okediji Ruth L. · CIK 0002096368 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,944

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, at the effective time of the Merger ("Effective Time"), each share of Republic common stock issued and outstanding immediately prior to the Effective Time of the Merger was automatically converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes.

SEC source: 0001193125-25-302787 · ownership.xml · nonDerivative · entry 2

Hornback Scott · CIK 0001673785 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,606

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F3 · price: Pursuant to the Merger Agreement, immediately prior to the Effective Time, each outstanding unvested Republic RSU was assumed by the Issuer and converted into the right to receive an award of restricted shares of Issuer common stock (rounded up to the next whole share of Issuer common stock) equal to the product obtained by multiplying (x) 38.9933 by (y) the total number of shares of Republic Common Stock subject to such unvested Republic RSU immediately prior to the Effective Time. Each unvested Republic RSU assumed and converted into a share of Issuer restricted stock shall continue to have, and shall be subject to, the same terms and conditions (including with respect to vesting) as applied to the corresponding Republic RSU as of immediately prior to the Effective Time.

F4 · price: These shares of Issuer restricted stock vest as follows, in each case, subject to continued service through the applicable vesting date: 35% of such shares will vest on each of November 25, 2028 and November 25, 2029, and 30% of such shares will vest in one-third tranches upon the achievement of specified operational milestones.

SEC source: 0001193125-25-302787 · ownership.xml · nonDerivative · entry 1

Hornback Scott · CIK 0001673785 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,976

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, immediately prior to the effective time of the Merger ("Effective Time"), each outstanding Republic restricted stock unit ("Republic RSU") that vested in accordance with its terms ("Vested Republic RSU") was cancelled and converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes (the "Merger Consideration").

SEC source: 0001193125-25-302785 · ownership.xml · nonDerivative · entry 2

GRIZZLE J DAVID · CIK 0001194088 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234,974

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F3 · price: Pursuant to the Merger Agreement, immediately prior to the Effective Time, each outstanding Republic restricted stock unit ("Republic RSU") that was not vested in accordance with its terms, was assumed by the Issuer and converted into the right to receive an award of restricted shares of Issuer common stock (rounded up to the next whole share of Issuer common stock) equal to the product obtained by multiplying (x) 38.9933 by (y) the total number of shares of Republic Common Stock subject to such unvested Republic RSU immediately prior to the Effective Time. Each unvested Republic RSU assumed and converted into a share of Issuer restricted stock shall continue to have, and shall be subject to, the same terms and conditions (including with respect to vesting) as applied to the corresponding Republic RSU as of immediately prior to the Effective Time.

F4 · price: These shares of Issuer restricted stock vest as follows, in each case, subject to continued service through the applicable vesting date: with respect to 16,845 shares, in equal installments on each of December 31, 2025, December 31, 2026, and December 31, 2027; and with respect to 191,185 shares, 35% of such shares will vest on each of November 25, 2028 and November 25, 2029, and 30% of such shares will vest in one-third tranches upon the achievement of specified operational milestones.

SEC source: 0001193125-25-302785 · ownership.xml · nonDerivative · entry 1

GRIZZLE J DAVID · CIK 0001194088 · Director · CEO and Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,944

F1 · price: On November 25, 2025, pursuant to that Agreement, Plan of Conversion and Plan of Merger (the "Merger Agreement") dated as of April 4, 2025, by and between Mesa Air Group, Inc. ("Mesa") and Republic Airways Holdings Inc. ("Republic"), among other things, (i) Republic merged with and into Mesa, with Mesa as the surviving corporation in the merger (the "Merger"), (ii) Mesa was converted from a Nevada corporation to a Delaware corporation, and (iii) Mesa was renamed Republic Airways Holdings Inc. (following the Merger, the "Issuer").

F2 · price: Pursuant to the Merger Agreement, at the effective time of the Merger ("Effective Time"), each share of Republic common stock ("Republic Common Stock"), issued and outstanding immediately prior to the Effective Time of the Merger was automatically converted into the right to receive 38.9933 validly issued, fully paid, and nonassessable shares of Issuer common stock and cash payable in lieu of fractional shares, without interest and subject to any applicable withholding taxes (the "Merger Consideration").

SEC source: 0001193125-25-302643 · ownership.xml · nonDerivative · entry 1

ARTIST ELLEN N. · CIK 0001747920 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,782

F1 · shares: 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 9,299 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 · shares: 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.

F1 · balance_after: 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 9,299 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.

SEC source: 0001193125-25-302638 · ownership.xml · nonDerivative · entry 1

ORNSTEIN JONATHAN G · CIK 0001054973 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,186

F1 · shares: The reporting person has reported prior restricted stock awards ("RSA") in Table II of Form 4. The total reported in Column 5 includes 25,851 RSA's previously reported in Table II and 67,335 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 · shares: 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.

F1 · balance_after: The reporting person has reported prior restricted stock awards ("RSA") in Table II of Form 4. The total reported in Column 5 includes 25,851 RSA's previously reported in Table II and 67,335 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.

SEC source: 0001193125-25-302636 · ownership.xml · nonDerivative · entry 1

LOTZ MICHAEL · CIK 0001179537 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,796

F1 · shares: The reporting person has reported prior restricted stock awards ("RSA") in Table II of Form 4. The total reported in Column 5 includes 20,253 RSA's previously reported in Table II and 38,543 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 · shares: 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.

F1 · balance_after: The reporting person has reported prior restricted stock awards ("RSA") in Table II of Form 4. The total reported in Column 5 includes 20,253 RSA's previously reported in Table II and 38,543 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.