As of September 29, 2026, the three largest insider holders of HYPD are Hyunsu Jung (Chief Investment Officer, 1.35Mn shares), David R. Knox (Chief Financial Officer, 307.12K shares), Happy David Walters (Director, 170.85K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Hyunsu Jung | Chief Investment Officer | 1,345,676 | 0 | 1,345,676 | 49.2% | 18 Aug, 2026 |
| 2 | David R. Knox | Chief Financial Officer | 307,119 | 0 | 307,119 | 11.2% | 01 Apr, 2026 |
| 3 | Stuart M. Grant | TenPercentOwner | 258,847 | 0 | 258,847 | 9.5% | 03 Jul, 2024 |
| 4 | Michael S Geltzeiler | Director | 204,947 | 0 | 204,947 | 7.5% | 01 Jul, 2026 |
| 5 | Happy David Walters | Director | 170,847 | 0 | 170,847 | 6.2% | 01 Jul, 2026 |
| 6 | Ellen R Strahlman | Director | 150,078 | 0 | 150,078 | 5.5% | 01 Jul, 2026 |
| 7 | Rachel Jacobson | Director | 115,218 | 0 | 115,218 | 4.2% | 01 Jul, 2026 |
| 8 | Robert Rubenstein | General Counsel | 75,000 | 0 | 75,000 | 2.7% | 12 Jan, 2026 |
| 9 | Bren Kern | Chief Operating Officer | 50,062 | 0 | 50,062 | 1.8% | 23 Apr, 2025 |
| 10 | Fredric N Eshelman | Director | 16,247 | 0 | 16,247 | 0.6% | 22 Nov, 2021 |
| 11 | Tsontcho Ianchulev | Chief Executive Officer | 10,122 | 0 | 10,122 | 0.4% | 29 Apr, 2025 |
| 12 | Charles E Iv Mather | Director | 9,950 | 0 | 9,950 | 0.4% | 29 Apr, 2025 |
| 13 | Michael M Rowe | Chief Executive Officer | 8,387 | 0 | 8,387 | 0.3% | 09 Jul, 2025 |
| 14 | Ernest Mario | Director | 4,784 | 0 | 4,784 | 0.2% | 22 Nov, 2021 |
| 15 | Ram Palanki | Director | 4,487 | 0 | 4,487 | 0.2% | 29 Apr, 2025 |
| 16 | Kenneth B Jr Lee | Director | 807 | 0 | 807 | 0.0% | 21 Jun, 2022 |
| 17 | Curt H Labelle | Director | 528 | 0 | 528 | 0.0% | 22 Nov, 2021 |
| 18 | Julia A Haller | Director | 380 | 0 | 380 | 0.0% | 21 Jun, 2022 |
| 19 | Anthony Y Sun | Director | 329 | 0 | 329 | 0.0% | 22 Nov, 2021 |
| 20 | Stephen Keith Benjamin | Director | 319 | 0 | 319 | 0.0% | 21 Jun, 2022 |
| 21 | John P Gandolfo | Chief Financial Officer | 100 | 0 | 100 | 0.0% | 31 May, 2023 |
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 |
|---|---|---|---|---|---|---|---|---|
| 16 Aug, 2026 | Hyunsu Jung | Director, Officer | Disposed F | 40,000 | $0.00 | $0 | 1,345,676 | Direct |
| 30 Jun, 2026 | Michael S Geltzeiler | Director | Acquired A | 58,917 | $0.00 | $0 | 146,932 | Direct |
| 30 Jun, 2026 | Rachel Jacobson | Director | Acquired A | 58,917 | $0.00 | $0 | 115,218 | Direct |
| 30 Jun, 2026 | Happy David Walters | Director | Acquired A | 58,917 | $0.00 | $0 | 170,847 | Direct |
| 30 Jun, 2026 | Ellen R Strahlman | Director | Acquired A | 58,917 | $0.00 | $0 | 150,078 | Direct |
| 01 Jun, 2026 | Hyunsu Jung | Director, Officer | Acquired P | 5,000 | $3.66 | $18.30K | 1,382,676 | Direct |
| 01 Jun, 2026 | Hyunsu Jung | Director, Officer | Acquired P | 2,000 | $3.81 | $7.62K | 1,384,676 | Direct |
| 02 Jun, 2026 | Hyunsu Jung | Director, Officer | Acquired P | 500 | $3.64 | $1.82K | 1,385,176 | Direct |
| 02 Jun, 2026 | Hyunsu Jung | Director, Officer | Acquired P | 500 | $3.68 | $1.84K | 1,385,676 | Direct |
| 27 May, 2026 | Hyunsu Jung | Director, Officer | Disposed F | 40,000 | $0.00 | $0 | 1,377,676 | Direct |
| 30 Mar, 2026 | David R. Knox | Chief Financial Officer | Disposed F | 20,831 | $0.00 | $0 | 307,119 | Direct |
| 12 Jan, 2026 | Robert Rubenstein | General Counsel | Acquired A | 75,000 | $0.00 | $0 | 75,000 | Direct |
| 31 Dec, 2025 | David R. Knox | Chief Financial Officer | Acquired P | 27,950 | $3.59 | $100.34K | 327,950 | Direct |
| 26 Dec, 2025 | Ellen R Strahlman | Director | Acquired P | 3,601 | $3.86 | $13.91K | 79,049 | Direct |
| 29 Dec, 2025 | Hyunsu Jung | Director, Officer | Disposed F | 82,324 | $0.00 | $0 | 1,417,676 | Direct |
| 29 Dec, 2025 | Ellen R Strahlman | Director | Acquired P | 12,112 | $3.60 | $43.60K | 91,161 | Direct |
| 26 Dec, 2025 | Ellen R Strahlman | Director | Acquired P | 3,311 | $3.86 | $12.78K | 23,013 | Indirect |
| 29 Dec, 2025 | Ellen R Strahlman | Director | Acquired P | 11,856 | $3.61 | $42.80K | 34,869 | Indirect |
| 18 Dec, 2025 | Ellen R Strahlman | Director | Acquired P | 18,742 | $3.14 | $58.83K | 75,448 | Direct |
| 18 Dec, 2025 | Ellen R Strahlman | Director | Acquired P | 19,702 | $3.14 | $61.83K | 95,150 | Indirect |