As of March 23, 2026, Hudson Technologies's top three insider holders are Brian F Coleman (Other, 426.97K shares), Stephen P Mandracchia (Director, 396.76K shares), Dominic J Monetta (Director, 203.05K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Brian F Coleman | 426,968 | 0 | 15 Dec, 2025 | |
| Stephen P Mandracchia | 0 | 396,756 | 09 Jan, 2023 | |
| Dominic J Monetta | 203,049 | 0 | 15 Sep, 2021 | |
| 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 |
| Eric A Prouty | 148,852 | 0 | 01 Aug, 2025 | |
| Stephen P Mandracchia | 93,000 | 0 | 31 May, 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 |
| 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 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 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 | 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 | 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 | 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 | 50,888 | $0.00 | 0 | D | M |
| 05 Dec, 2025 | Brian F Coleman | Common Stock | D | 484,616 | $7.40 | 426,968 | D | S |
| 05 Dec, 2025 | Brian F Coleman | Common Stock | D | 484,616 | $7.40 | 1,944,312 | D | S |
| 24 Nov, 2025 | Kenneth Gaglione | Stock Option | A | 216,309 | $0.00 | 216,309 | D | A |
| 17 Nov, 2025 | Vincent P Abbatecola | Common Stock | A | 3,500 | $6.79 | 169,748 | D | P |
| 24 Sep, 2025 | Vincent P Abbatecola | Common Stock | A | 4,744 | $7.35 | 169,767 | D | M |
| 24 Sep, 2025 | Vincent P Abbatecola | Common Stock | D | 3,519 | $9.91 | 166,248 | D | F |
| 24 Sep, 2025 | Vincent P Abbatecola | Stock Options | D | 4,744 | $0.00 | 0 | D | M |
| 31 Jul, 2025 | Eric A Prouty | Common Stock | A | 4,744 | $7.35 | 152,565 | D | M |
| 31 Jul, 2025 | Eric A Prouty | Common Stock | D | 3,713 | $9.39 | 148,852 | D | F |
| 31 Jul, 2025 | Eric A Prouty | Stock Options | D | 4,744 | $0.00 | 0 | D | M |
| 18 Jun, 2025 | Richard Parrillo | Common Stock | A | 3,182 | $0.00 | 185,746 | D | A |