Hartree Partners, LP
Ten-percent owner · HDSN
As of 2026-09-16, Hartree Partners, LP has 12 Form 4 transactions on record across 1 company — 12 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $27.1M
- Indirect $0
| HDSN | direct | 5,205,317 sh | $27.1M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-02 | HDSN | Purchase | 5,317 @ $5.10 | $27K | +0.1% of holding | 5,205,317 | Form 4 |
| 2026-08-25 | HDSN | Purchase | 91,166 @ $5.50 | $501K | +1.8% of holding | 5,200,000 | Form 4 |
| 2026-08-24 | HDSN | Purchase | 9,446 @ $5.50 | $52K | +0.2% of holding | 5,108,834 | Form 4 |
| 2026-08-12 | HDSN | Purchase | 5,198 @ $5.50 | $29K | +0.1% of holding | 5,099,388 | Form 4 |
| 2026-07-29 | HDSN | Purchase | 52,104 @ $5.99 | $312K | +1.0% of holding | 5,094,190 | Form 4 |
| 2026-07-21 | HDSN | Purchase | 47,708 @ $5.99 | $286K | +1.0% of holding | 5,042,086 | Form 4 |
| 2026-07-20 | HDSN | Purchase | 17,842 @ $5.99 | $107K | +0.4% of holding | 4,994,378 | Form 4 |
| 2026-07-07 | HDSN | Purchase | 600 @ $5.99 | $4K | +0.0% of holding | 4,976,536 | Form 4 |
| 2026-07-06 | HDSN | Purchase | 4,634 @ $5.99 | $28K | +0.1% of holding | 4,975,936 | Form 4 |
| 2026-07-02 | HDSN | Purchase | 271,302 @ $5.97 | $1.6M | +5.8% of holding | 4,971,302 | Form 4 |
| 2026-07-01 | HDSN | Purchase | 288,111 @ $5.88 | $1.7M | +6.5% of holding | 4,700,000 | Form 4 |
| 2026-06-30 | HDSN | Purchase | 204,789 @ $5.68 | $1.2M | +4.9% of holding | 4,411,889 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.