Hartree boosts Hudson Technologies (HDSN) stake with 764K-share open-market buy
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Hartree Partners, LP, a more than ten percent owner of Hudson Technologies Inc., reported a series of open-market purchases of the company’s common stock. Over June 30 to July 2, 2026, Hartree bought a total of 764,202 shares at weighted average prices between roughly $5.68 and $5.97 per share. After these transactions, Hartree directly holds 4,971,302 shares of Hudson Technologies common stock. The filing notes that prices are reported as weighted averages across multiple trades within stated ranges and that Hartree disclaims beneficial ownership beyond its pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Buyer: 764,202 shares ($4,477,207)
Net Buy
3 txns
Insider
Hartree Partners, LP
Role
null
Bought
764,202 shs ($4.48M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Purchase | Common Stock, par value $0.01 | 271,302 | $5.9683 | $1.62M |
| Purchase | Common Stock, par value $0.01 | 288,111 | $5.8835 | $1.70M |
| Purchase | Common Stock, par value $0.01 | 204,789 | $5.6785 | $1.16M |
Holdings After Transaction:
Common Stock, par value $0.01 — 4,971,302 shares (Direct, null)
Footnotes (1)
- The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.4850 to $5.7500, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. Represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.7300 to $5.9800, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. Represents a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.7350 to $5.9900, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
Key Figures
Total shares bought: 764,202 shares
Shares after transactions: 4,971,302 shares
June 30 weighted average price: $5.6785/share
+4 more
7 metrics
Total shares bought
764,202 shares
Open-market purchases June 30–July 2, 2026
Shares after transactions
4,971,302 shares
Hartree’s direct Hudson Technologies holdings following trades
June 30 weighted average price
$5.6785/share
204,789-share open-market purchase
July 1 weighted average price
$5.8835/share
288,111-share open-market purchase
July 2 weighted average price
$5.9683/share
271,302-share open-market purchase
Price range footnote (lowest)
$5.4850/share
Lower end of disclosed trade range in one day’s purchases
Price range footnote (highest)
$5.9900/share
Upper end of disclosed trade range in one day’s purchases
Key Terms
open-market purchase, beneficial ownership, pecuniary interest, weighted average price, +1 more
5 terms
open-market purchase financial
"transaction_action is described as an open-market purchase of common stock"
An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.
beneficial ownership financial
"The Reporting Person disclaims beneficial ownership of the securities reported herein"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"except to the extent of its pecuniary interest therein"
weighted average price financial
"Represents a weighted average price. These shares were purchased in multiple transactions"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Section 16 regulatory
"beneficial owner of such securities for purposes of Section 16 or for any other purpose"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
FAQ
What insider activity did Hartree Partners report for Hudson Technologies (HDSN)?
Hartree Partners reported open-market purchases of Hudson Technologies common stock. The firm bought 764,202 shares over June 30 to July 2, 2026, increasing its direct holdings to 4,971,302 shares according to the Form 4 filing.
What is Hartree Partners’ Hudson Technologies (HDSN) ownership after these trades?
After the reported purchases, Hartree Partners directly holds 4,971,302 Hudson Technologies common shares. The filing also states Hartree disclaims beneficial ownership beyond the extent of its pecuniary interest in these securities for Section 16 and other purposes.
Were Hartree Partners’ Hudson Technologies (HDSN) trades open-market purchases?
Yes. Each transaction is coded as a “P” and described as an open-market or private purchase of common stock. The Form 4 characterizes them as non-derivative transactions in Hudson Technologies’ common shares at specified weighted average prices.