Innovative Solutions & Support's top three insider shareholders as of September 29, 2026 are Of Geoffrey S. M. Hedrick Estate (TenPercentOwner, 1.65Mn shares), Christopher Harborne (TenPercentOwner, 1.58Mn shares), Shahram Askarpour (Chief Executive Officer, 502.44K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Of Geoffrey S. M. Hedrick Estate | TenPercentOwner | 1,652,207 | 0 | 1,652,207 | 31.8% | 11 Aug, 2023 |
| 2 | Christopher Harborne | TenPercentOwner | 0 | 1,583,411 | 1,583,411 | 30.5% | 01 Jul, 2025 |
| 3 | Shahram Askarpour | Chief Executive Officer | 996,318 | 0 | 996,318 | 19.2% | 02 Sep, 2026 |
| 4 | Glen R Bressner | Director | 303,510 | 0 | 303,510 | 5.8% | 02 Sep, 2026 |
| 5 | Jeffrey Digiovanni | Chief Financial Officer | 270,168 | 0 | 270,168 | 5.2% | 02 Sep, 2026 |
| 6 | Roger Anthony Carolin | Director | 135,978 | 0 | 135,978 | 2.6% | 20 Apr, 2026 |
| 7 | Robert E Jr Mittelstaedt | Other | 124,008 | 0 | 124,008 | 2.4% | 15 Jun, 2022 |
| 8 | Stephen L Belland | Director | 54,720 | 0 | 54,720 | 1.1% | 20 Apr, 2026 |
| 9 | Garry C. Dean | Director | 29,408 | 0 | 29,408 | 0.6% | 20 Apr, 2026 |
| 10 | Denise L Devine | Director | 20,622 | 0 | 20,622 | 0.4% | 20 Apr, 2026 |
| 11 | Parizad Olver | Director | 11,806 | 0 | 11,806 | 0.2% | 16 Apr, 2024 |
| 12 | Winston J Churchill | Other | 9,523 | 0 | 9,523 | 0.2% | 14 Jun, 2023 |
| 13 | Richard A Silfen | Director | 7,508 | 0 | 7,508 | 0.1% | 20 Apr, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 31 Aug, 2026 | Glen R Bressner | Director | Acquired A | 2,500 | $19.69 | $49.24K | 156,155 | Direct |
| 31 Aug, 2026 | Shahram Askarpour | Chief Executive Officer | Disposed F | 1,159 | $19.00 | $22.02K | 493,876 | Direct |
| 31 Aug, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Disposed F | 480 | $19.00 | $9.12K | 85,758 | Direct |
| 14 Jul, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Acquired A | 21,793 | $0.00 | $0 | 21,793 | Direct |
| 14 Jul, 2026 | Shahram Askarpour | Chief Executive Officer | Acquired A | 68,966 | $0.00 | $0 | 68,966 | Direct |
| 08 Jul, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Disposed F | 749 | $18.31 | $13.71K | 86,238 | Direct |
| 30 Jun, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Disposed F | 910 | $18.00 | $16.38K | 86,987 | Direct |
| 20 May, 2026 | Glen R Bressner | Director | Acquired A | 6,300 | $15.93 | $100.38K | 153,655 | Direct |
| 18 May, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Disposed F | 474 | $16.26 | $7.71K | 87,897 | Direct |
| 18 May, 2026 | Shahram Askarpour | Chief Executive Officer | Disposed F | 906 | $16.26 | $14.73K | 495,035 | Direct |
| 17 Feb, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Acquired A | 9,455 | $19.83 | $187.49K | 92,205 | Direct |
| 17 Feb, 2026 | Shahram Askarpour | Chief Executive Officer | Acquired A | 20,171 | $19.83 | $399.99K | 502,442 | Direct |
| 17 Feb, 2026 | Shahram Askarpour | Chief Executive Officer | Acquired A | 34,364 | $0.00 | $0 | 34,364 | Direct |
| 17 Feb, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Acquired A | 16,108 | $0.00 | $0 | 16,108 | Direct |
| 17 Feb, 2026 | Shahram Askarpour | Chief Executive Officer | Acquired A | 45,455 | $0.00 | $0 | 45,455 | Direct |
| 17 Feb, 2026 | Jeffrey Digiovanni | Chief Financial Officer | Acquired A | 21,307 | $0.00 | $0 | 21,307 | Direct |
| 16 Apr, 2026 | Roger Anthony Carolin | Director | Acquired A | 5,618 | $0.00 | $0 | 83,188 | Direct |
| 16 Apr, 2026 | Glen R Bressner | Director | Acquired A | 5,618 | $0.00 | $0 | 147,355 | Direct |
| 16 Apr, 2026 | Denise L Devine | Director | Disposed D | 5,403 | $0.00 | $0 | 15,004 | Direct |
| 16 Apr, 2026 | Richard A Silfen | Director | Acquired A | 5,618 | $0.00 | $0 | 7,508 | Direct |