HDSN's three largest insider shareholders as of May 04, 2026 are Brian F Coleman (President, Ceo, 426.97K shares), Stephen P Mandracchia (Director, 396.76K shares), Stephen P Mandracchia (Director, 396.76K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Brian F Coleman | President, Ceo | 426,968 | 0 | 15 Dec, 2025 |
| Stephen P Mandracchia | - | 0 | 396,756 | 09 Jan, 2023 |
| Stephen P Mandracchia | - | 0 | 396,756 | 09 Jan, 2023 |
| Dominic J Monetta | - | 203,049 | 0 | 15 Sep, 2021 |
| Dominic J Monetta | - | 203,049 | 0 | 15 Sep, 2021 |
| Richard Parrillo | - | 185,746 | 0 | 20 Jun, 2025 |
| Richard Parrillo | - | 185,746 | 0 | 20 Jun, 2025 |
| Vincent P Abbatecola | - | 169,748 | 0 | 18 Nov, 2025 |
| Kathleen Houghton | Sr. Vp Sales And Marketing | 158,618 | 0 | 12 Jan, 2026 |
| Kathleen Houghton | Sr. Vp Sales And Marketing | 158,618 | 0 | 12 Jan, 2026 |
| Eric A Prouty | - | 148,852 | 0 | 01 Aug, 2025 |
| Eric A Prouty | - | 148,852 | 0 | 01 Aug, 2025 |
| Stephen P Mandracchia | Vice President Legal Reg. | 93,000 | 0 | 31 May, 2022 |
| Stephen P Mandracchia | Vice President Legal Reg. | 93,000 | 0 | 31 May, 2022 |
| Otto C Morch | - | 87,366 | 0 | 06 Jul, 2022 |
| Otto C Morch | - | 87,366 | 0 | 06 Jul, 2022 |
| Kenneth Gaglione | Vp Operations | 82,354 | 0 | 14 Sep, 2023 |
| Nat Krishnamurti | Cfo | 25,207 | 0 | 10 Nov, 2022 |
| Nat Krishnamurti | Cfo | 25,207 | 0 | 10 Nov, 2022 |
| Loan Nguyen Mansy | - | 20,595 | 0 | 20 Jun, 2025 |
| Loan Nguyen Mansy | - | 20,595 | 0 | 20 Jun, 2025 |
| Nicole E Bulgarino | - | 10,498 | 0 | 20 Jun, 2025 |
| Richard Damian Caruso | - | 6,573 | 0 | 02 Jul, 2021 |
| Alan Sheriff | - | 4,065 | 0 | 14 Apr, 2026 |
| Jeffrey R Feeler | - | 4,065 | 0 | 14 Apr, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 10 Apr, 2026 | Jeffrey R Feeler | Common Stock | A | 4,065 | $0.00 | 4,065 | D | A |
| 10 Apr, 2026 | Alan Sheriff | Common Stock | A | 4,065 | $0.00 | 4,065 | D | A |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | A | 120,000 | $0.75 | 161,163 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | A | 120,000 | $0.75 | 161,163 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | D | 44,873 | $7.10 | 116,290 | D | F |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | D | 44,873 | $7.10 | 116,290 | D | F |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | A | 47,619 | $1.60 | 163,909 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | A | 47,619 | $1.60 | 163,909 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | D | 21,797 | $7.10 | 142,112 | D | F |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | D | 21,797 | $7.10 | 142,112 | D | F |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | A | 50,888 | $3.81 | 193,000 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | A | 50,888 | $3.81 | 193,000 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | D | 34,382 | $7.10 | 158,618 | D | F |
| 08 Jan, 2026 | Kathleen Houghton | Common Stock | D | 34,382 | $7.10 | 158,618 | D | F |
| 08 Jan, 2026 | Kathleen Houghton | Stock Option | D | 120,000 | $0.00 | 0 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Stock Option | D | 120,000 | $0.00 | 0 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Stock Option | D | 47,619 | $0.00 | 0 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Stock Option | D | 47,619 | $0.00 | 0 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Stock Option | D | 50,888 | $0.00 | 0 | D | M |
| 08 Jan, 2026 | Kathleen Houghton | Stock Option | D | 50,888 | $0.00 | 0 | D | M |