Hartree Partners, LP
Hartree Partners, LP has made 3 open-market purchases worth $730k since Sep 18, 2026, in 1 company. The latest: $604k of HDSN, filed Sep 28, 2026, scored 11 out of 100.
10% owner, HUDSON TECHNOLOGIES INC /NY
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Purchases
| Filed | Stock | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Sep 28 Form 4 (opens sec.gov) |
HDSNHUDSON TECHNOLOGIES INC /NY · 10% owner10% owner · Near 52-week low | +2% stake | 11 | $604k 118,549 at $5.10 |
+3.1% | −14.2% |
| Sep 23 Form 4 (opens sec.gov) |
HDSNHUDSON TECHNOLOGIES INC /NY · 10% owner10% owner · Near 52-week low | +0% stake | 4 | $69k 13,515 at $5.10 |
+0.4% | +0.2% |
| Sep 18 Form 4 (opens sec.gov) |
HDSNHUDSON TECHNOLOGIES INC /NY · 10% owner10% owner · Near 52-week low | +0% stake | 4 | $57k 11,136 at $5.10 |
−1.7% | +4.2% |
Track record (hypothetical): a week after the filing, these buys averaged +0.6% (67% up, 3 measured); a month after, −3.2% (67% up, 3 measured).
Questions
What stock has Hartree Partners, LP bought?
HDSN (HUDSON TECHNOLOGIES INC /NY), all on the open market and reported on SEC Form 4.
When did Hartree Partners, LP last buy?
Sep 28, 2026: 118,549 shares of HDSN at $5.10, $604k in all (Form 4 (opens sec.gov)).
Has Hartree Partners, LP filed a notice of a planned sale?
Not in the filings on record. A Form 144 is the notice an insider must file before selling restricted or control shares, and it lands on EDGAR before the sale is reported.
Is Hartree Partners, LP a routine or an opportunistic buyer?
There isn't enough history to say yet.
Data as of Sep 28, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer