| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in HDSN over the last quarter tilts toward buying: insiders added a net 823,504 shares worth roughly $4.8M. In the past 30 days, 1 insider bought and 0 sold. The tilt toward buying has held up recently.
The largest recent buyer is Hartree Partners, LP (10% Owner), now holding an estimated $28.0M in HDSN.
Classified under Chemicals (Materials sector), HDSN's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| 10% | 5.10M | $28.91M | +57.3K | |
| Dir | 1.94M | $11.02M | - | |
| CEO | 216.3K | $1.23M | - | |
| Dir | 195.7K | $1.11M | - | |
| Dir | 169.7K | $962.5K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2026 | Hartree Partners, LP | 10% Owner | Buy | 5,198 | $5.50 | $28,589.00 | +0.1% | - | - | |
| Jul 29, 2026 | Hartree Partners, LP | 10% Owner | Buy | 52,104 | $5.99 | $312,102.96 | +1.0% | - | - | |
| Jul 2, 2026 | Hartree Partners, LP | 10% Owner | Buy | 764,202 | $5.86 | $4,477,207.13 | +5.7% | - | - | |
| May 19, 2026 | Bertaux Brian J. | Chief Financial Officer | Buy | 2,000 | $4.87 | $9,740.00 | New | - | - | |
| May 13, 2026 | Parrillo Richard74 | Director | Buy | 10,000 | $4.83 | $48,257.00 | +5.4% | - | - | |
| Dec 5, 2025 | Coleman Brian F | Director | Sell | 484,616 | $7.40 | $3,588,096.86 | -20.0% | -13.1% | - | |
| Nov 17, 2025 | Abbatecola Vincent P53 | Director | Buy | 3,500 | $6.79 | $23,747.50 | +2.1% | +9.0% | - | |
| Nov 7, 2024 | Abbatecola Vincent P53 | Director | Buy | 2,500 | $5.98 | $14,947.50 | +1.6% | -5.0% | +17.5% | |
| Jun 14, 2024 | Abbatecola Vincent P53 | Director | Sell | 10,000 | $9.20 | $92,000.00 | -5.9% | -14.0% | -20.2% | |
| Dec 14, 2023 | Parrillo Richard74 | Director | Sell | 72,604 | $13.00 | $943,622.90 | -2.5% | -14.1% | -57.1% |