IA

SEC source: 0001946479-25-000019 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,040,655

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000018 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,072,608

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000017 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,089,806

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000016 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,111,615

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000015 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,116,731

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000014 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,117,169

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000013 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,180,761

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000011 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,216,198

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000009 · primary_doc.xml · nonDerivative · entry 3

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,228,142

F3 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000009 · primary_doc.xml · nonDerivative · entry 2

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,272,139

F2 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000009 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,278,905

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001104659-25-036724 · tm2512762-5_4seq1.xml · nonDerivative · entry 1

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,737

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-25-036720 · tm2512762-3_4seq1.xml · nonDerivative · entry 1

Dean Garry C. · CIK 0002023687 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,790

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-25-036723 · tm2512762-4_4seq1.xml · nonDerivative · entry 1

Devine Denise L · CIK 0001564996 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,407

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-25-036719 · tm2512762-2_4seq1.xml · nonDerivative · entry 1

Carolin Roger Anthony · CIK 0001351909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,570

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-25-036717 · tm2512762-1_4seq1.xml · nonDerivative · entry 1

Belland Stephen L · CIK 0001938138 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,941

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-25-031314 · tm2511353-2_4seq1.xml · derivative · entry 2

DiGiovanni Jeffrey · CIK 0001752808 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,259

Underlying: Common Stock · 33,259 shares

Expires 2035-02-18

F2 · derivative.exercise_date: The non-qualified stock option was granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The number of shares of Common Stock underlying the option is based on the methodology determined by the Company's compensation committee prior to the date of grant on February 18, 2025. The grant was confirmed by the Company's board of directors on April 1, 2025. The option is scheduled to vest in accordance with the following schedule: 1/4th on the first anniversary of the grant date and 1/12th on each quarterly anniversary of the grant date thereafter, subject to continued employment by the reporting person. The option becomes exercisable, if at all, if the price of the Company's common stock on the Nasdaq Stock Market is equal to or greater than $9.8785 for 20 consecutive trading days during the vesting period of the option.

SEC source: 0001104659-25-031314 · tm2511353-2_4seq1.xml · nonDerivative · entry 1

DiGiovanni Jeffrey · CIK 0001752808 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,618

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The number of RSUs is based on the methodology determined by the Company's compensation committee prior to the date of grant on February 18, 2025. The grant was confirmed by the Company's board of directors on April 1, 2025. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Award Agreement. The RSUs are scheduled to vest in accordance with the following schedule: 1/4th on the first anniversary of the grant date and 1/12th on each quarterly anniversary of the grant date thereafter, subject to continued employment by the reporting person.

SEC source: 0001104659-25-031313 · tm2511353-1_4seq1.xml · derivative · entry 2

Askarpour Shahram · CIK 0001546928 · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,062

Underlying: Common Stock · 72,062 shares

Expires 2035-02-18

F2 · derivative.exercise_date: The non-qualified stock option was granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The number of shares of Common Stock underlying the option is based on the methodology determined by the Company's compensation committee prior to the date of grant on February 18, 2025. The grant was confirmed by the Company's board of directors on April 1, 2025. The option is scheduled to vest in accordance with the following schedule: 1/4th on the first anniversary of the grant date and 1/12th on each quarterly anniversary of the grant date thereafter, subject to continued employment by the reporting person. The option becomes exercisable, if at all, if the price of the Company's common stock on the Nasdaq Stock Market is equal to or greater than $9.8785 for 20 consecutive trading days during the vesting period of the option.

SEC source: 0001104659-25-031313 · tm2511353-1_4seq1.xml · nonDerivative · entry 1

Askarpour Shahram · CIK 0001546928 · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 370,317

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The number of RSUs is based on the methodology determined by the Company's compensation committee prior to the date of grant on February 18, 2025. The grant was confirmed by the Company's board of directors on April 1, 2025. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Award Agreement. The RSUs are scheduled to vest in accordance with the following schedule: 1/4th on the first anniversary of the grant date and 1/12th on each quarterly anniversary of the grant date thereafter, subject to continued employment by the reporting person.

SEC source: 0001946479-25-000008 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,296,645

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000007 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,311,615

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000006 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,374,983

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000005 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,417,771

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001104659-25-007333 · tm254867-2_4seq1.xml · nonDerivative · entry 1

Devine Denise L · CIK 0001564996 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,781

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on April 17, 2025, subject to continued service by the reporting person.

SEC source: 0001946479-25-000002 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,424,857

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001946479-25-000001 · primary_doc.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,431,570

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0000895345-25-000012 · form4.xml · nonDerivative · entry 2

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,501,169

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0000895345-25-000012 · form4.xml · nonDerivative · entry 1

Harborne Christopher · CIK 0001946479 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,599,769

F1 · ownership.nature: These shares of common stock, par value $0.001 per share, of Innovative Solutions and Support, Inc. are directly held by Klear Kite LLC, a Delaware limited liability company, whose sole member is Christopher Harborne.

SEC source: 0001104659-24-122127 · tm2429324-1_4seq1.xml · derivative · entry 1

Askarpour Shahram · CIK 0001546928 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,000

Underlying: Common Stock · 201,000 shares

Expires 2028-11-20

F1 · derivative.exercise_price: Each Performance Stock Unit represents a contingent right to receive one share of issuer common stock. The Performance Stock Units vest in three equal tranches upon the issuer's common stock achieving specified prices per share.

F1 · derivative.exercise_date: Each Performance Stock Unit represents a contingent right to receive one share of issuer common stock. The Performance Stock Units vest in three equal tranches upon the issuer's common stock achieving specified prices per share.

SEC source: 0001104659-24-090390 · tm2421907-1_4seq1.xml · nonDerivative · entry 3

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,201

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in 4 transactions at prices ranging from $6.78 to $6.91 inclusive. The reporting person undertakes to provide to Innovative Solutions & Support, Inc., any security holder of Innovative Solutions & Support, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-24-090390 · tm2421907-1_4seq1.xml · nonDerivative · entry 2

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,201

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in 6 transactions at prices ranging from $6.65 to $6.75 inclusive. The reporting person undertakes to provide to Innovative Solutions & Support, Inc., any security holder of Innovative Solutions & Support, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-24-090390 · tm2421907-1_4seq1.xml · nonDerivative · entry 1

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,201

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in 15 transactions at prices ranging from $6.40 to $6.66 inclusive. The reporting person undertakes to provide to Innovative Solutions & Support, Inc., any security holder of Innovative Solutions & Support, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-24-072461 · tm2417476-1_4seq1.xml · nonDerivative · entry 1

DiGiovanni Jeffrey · CIK 0001752808 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,156

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Award Agreement. The RSUs are scheduled to vest in accordance with the following schedule: 1/12th on September 30, 2024, and 1/12th on the last day of each fiscal quarter thereafter, subject to continued employment by the reporting person.

SEC source: 0001104659-24-066046 · tm2415828-1_4seq1.xml · nonDerivative · entry 1

Dean Garry C. · CIK 0002023687 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,254

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the date of the Company's 2025 Annual Meeting of Shareholders, subject to continued service by the reporting person.

SEC source: 0001104659-24-064689 · tm2415420-1_4seq1.xml · nonDerivative · entry 2

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,201

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in 5 transactions at prices ranging from $5.55 to $5.65 inclusive. The reporting person undertakes to provide to Innovative Solutions & Support, Inc., any security holder of Innovative Solutions & Support, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-24-064689 · tm2415420-1_4seq1.xml · nonDerivative · entry 1

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,092

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in 26 transactions at prices ranging from $5.25 to $5.65 inclusive. The reporting person undertakes to provide to Innovative Solutions & Support, Inc., any security holder of Innovative Solutions & Support, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001104659-24-050067 · tm2411391-8_4seq1.xml · nonDerivative · entry 1

Belland Stephen L · CIK 0001938138 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,405

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-24-049974 · tm2411391-9_4seq1.xml · nonDerivative · entry 1

Carolin Roger Anthony · CIK 0001351909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,034

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-24-049966 · tm2411391-7_4seq1.xml · nonDerivative · entry 1

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,201

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on the first anniversary of the grant date, subject to continued service by the reporting person.

SEC source: 0001104659-24-047983 · tm2411391-6_4seq1.xml · nonDerivative · entry 1

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,957

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the number of shares of Common Stock issued upon the vesting of Restricted Stock Units.

F2 · balance_after: On January 29, 2024, the Reporting Person filed Form 4/A and corrected the number of shares of the issuer's common stock directly beneficially owned by the Reporting Person as of May 18, 2023, which was 75,089 shares. The holdings reported on this Form 4 properly give cumulative effect to such correction in the original Form 4 as well as all intervening Forms 4 filed by the Reporting Person prior to the date hereof.

SEC source: 0001104659-24-047925 · tm2411391-5_4seq1.xml · nonDerivative · entry 1

Carolin Roger Anthony · CIK 0001351909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,790

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the number of shares of Common Stock issued upon the vesting of Restricted Stock Units.

SEC source: 0001104659-24-047924 · tm2411391-4_4seq1.xml · nonDerivative · entry 1

Belland Stephen L · CIK 0001938138 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,161

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the number of shares of Common Stock issued upon the vesting of Restricted Stock Units.

SEC source: 0001104659-24-047922 · tm2411391-3_4seq1.xml · nonDerivative · entry 1

Olver Parizad · CIK 0001889750 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,806

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents the number of shares of Common Stock issued upon the vesting of Restricted Stock Units.

SEC source: 0001104659-24-045868 · tm2411391-2_4seq1.xml · derivative · entry 2

DiGiovanni Jeffrey · CIK 0001752808 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,599

Underlying: Common Stock · 64,599 shares

Expires 2034-04-08

F2 · derivative.exercise_date: The non-qualified stock option was granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The option is scheduled to vest in accordance with the following schedule: 1/4th on the first anniversary of the grant date and 1/12th on each quarterly anniversary of the grant date thereafter, subject to continued employment by the reporting person.

SEC source: 0001104659-24-045868 · tm2411391-2_4seq1.xml · nonDerivative · entry 1

DiGiovanni Jeffrey · CIK 0001752808 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,410

F1 · shares: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Award Agreement. The RSUs are scheduled to vest in accordance with the following schedule: 1/4th on the first anniversary of the grant date and 1/12th on each quarterly anniversary of the grant date thereafter, subject to continued employment by the reporting person.

SEC source: 0001104659-24-027738 · tm247329-1_4seq1.xml · derivative · entry 3

Askarpour Shahram · CIK 0001546928 · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,014

Underlying: Common Stock · 72,014 shares

Expires 2034-02-22

F4 · derivative.exercise_date: The non-qualified stock option was granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The option is scheduled to vest in accordance with the following schedule: 25% on each of the first four anniversaries of the grant date, subject to continued employment by the reporting person.

SEC source: 0001104659-24-027738 · tm247329-1_4seq1.xml · derivative · entry 2

Askarpour Shahram · CIK 0001546928 · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires 2034-02-22

F3 · derivative.exercise_date: The non-qualified stock option was granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. The option vested immediately on the date of grant.

SEC source: 0001104659-24-027738 · tm247329-1_4seq1.xml · derivative · entry 1

Askarpour Shahram · CIK 0001546928 · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,024

Underlying: Common Stock · 40,024 shares

Expires not disclosed

F1 · derivative.exercise_price: The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Award Agreement.

F2 · derivative.exercise_date: The RSUs are scheduled to vest in accordance with the following schedule: 25% on each of the first four anniversaries of the grant date, subject to continued employment by the reporting person.

F2 · derivative.expiration_date: The RSUs are scheduled to vest in accordance with the following schedule: 25% on each of the first four anniversaries of the grant date, subject to continued employment by the reporting person.

SEC source: 0001104659-23-099681 · tm2325896-1_4seq1.xml · nonDerivative · entry 1

BRESSNER GLEN R · CIK 0000902959 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,393

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in 3 transactions at prices ranging from $7.78 to $7.85 inclusive. The reporting person undertakes to provide to Innovative Solutions & Support, Inc., any security holder of Innovative Solutions & Support, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.