| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Askarpour Shahram | Chief Executive Officer, Director | C/O INNOVATIVE SOLUTIONS & SUPPORT, INC., 720 PENNSYLVANIA DRIVE, EXTON | /s/ Jeffrey DiGiovanni (Attorney-in-fact) | 02 Dec 2025 | 0001546928 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISSC | Common Stock | Options Exercise | +201,000 | +54% | 572,317 | 20 Nov 2025 | Direct | F1 | ||
| transaction | ISSC | Common Stock | Tax liability | $740,270 | -87,918 | -15% | $8.42 | 484,399 | 20 Nov 2025 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISSC | Performance Stock Units | Options Exercise | $0 | -201,000 | -100% | $0.000000 | 0 | 20 Nov 2025 | Common Stock | 201,000 | Direct | F1, F3 |
| Id | Content |
|---|---|
| F1 | Performance stock units convert into common stock on a one-for-one basis. |
| F2 | These shares of common stock were withheld by the issuer to satisfy the reporting person's tax obligations in connection with the vesting of performance stock units. |
| F3 | On November 20, 2024, the reporting person was granted 201,000 Performance Stock Units, which vested on the one year anniversary of grant and otherwise in accordance with the Performance Stock Unit award. |